{
    "table_id": 19512217,
    "partition_id": 19512216,
    "tablet_id": 19512221,
    "schema_hash": 1695478575,
    "shard_id": 73,
    "creation_time": 1772420141,
    "cumulative_layer_point": -1,
    "tablet_state": "PB_RUNNING",
    "schema": {
        "keys_type": "UNIQUE_KEYS",
        "column": [
            {
                "unique_id": 0,
                "name": "task_record_id",
                "type": "VARCHAR",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 102,
                "index_length": 20,
                "is_bf_column": true,
                "visible": true
            },
            {
                "unique_id": 1,
                "name": "user_id",
                "type": "VARCHAR",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 102,
                "index_length": 20,
                "is_bf_column": true,
                "visible": true
            },
            {
                "unique_id": 2,
                "name": "digit_length",
                "type": "INT",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 4,
                "index_length": 4,
                "visible": true
            },
            {
                "unique_id": 3,
                "name": "trial_index",
                "type": "INT",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 4,
                "index_length": 4,
                "visible": true
            },
            {
                "unique_id": 4,
                "name": "expected_response",
                "type": "VARCHAR",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 102,
                "index_length": 20,
                "visible": true
            },
            {
                "unique_id": 5,
                "name": "response",
                "type": "VARCHAR",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 102,
                "index_length": 20,
                "visible": true
            },
            {
                "unique_id": 6,
                "name": "is_correct",
                "type": "BOOLEAN",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 7,
                "name": "reaction_time",
                "type": "INT",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 4,
                "index_length": 4,
                "visible": true
            },
            {
                "unique_id": 8,
                "name": "trial_timestamp",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 9,
                "name": "created_at",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": true,
                "default_value": "2026-03-02 10:55:41.574",
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 10,
                "name": "__DORIS_DELETE_SIGN__",
                "type": "TINYINT",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": false,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 11,
                "name": "__DORIS_VERSION_COL__",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "NONE",
                "is_nullable": false,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            }
        ],
        "num_short_key_columns": 1,
        "num_rows_per_row_block": 1024,
        "compress_kind": "COMPRESS_LZ4",
        "bf_fpp": 0.05,
        "next_column_unique_id": 12,
        "is_in_memory": false,
        "delete_sign_idx": 10,
        "sequence_col_idx": -1,
        "sort_type": "LEXICAL",
        "sort_col_num": 4,
        "compression_type": "LZ4F",
        "schema_version": 0,
        "disable_auto_compaction": false,
        "version_col_idx": -1
    },
    "rs_metas": [
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110862,
            "end_version": 110869,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "creation_time": 1782361517,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c3122c514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361512,
            "newest_write_timestamp": 1782361512,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 0,
            "end_version": 110861,
            "num_rows": 104,
            "total_disk_size": 8268,
            "data_disk_size": 8268,
            "index_disk_size": 2676,
            "empty": false,
            "creation_time": 1782361520,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 1,
            "rowset_id_v2": "0200000009c31246514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1772420141,
            "newest_write_timestamp": 1782361510,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002session_1772014358472\u0002user_1772014358471\u0002€\u0000\u0000\u0002\u0002€\u0000\u0000\u0000",
                    "max_key": "\u0002session_1781767521800\u0002user_1781767521799\u0002€\u0000\u0000\u0006\u0002€\u0000\u0000\u0000"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67303854,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110870,
            "end_version": 110870,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "delete_predicate": {
                "version": 110870,
                "sub_predicates": [
                    "user_id=user_1782360564629"
                ]
            },
            "empty": true,
            "load_id": {
                "hi": 0,
                "lo": 0
            },
            "creation_time": 1782361867,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c31939514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361867,
            "newest_write_timestamp": 1782361867,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110871,
            "end_version": 110878,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "creation_time": 1782361875,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c31a46514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        }
    ],
    "in_restore_mode": false,
    "tablet_uid": {
        "hi": -5600445378431622225,
        "lo": -2428594438305616247
    },
    "preferred_rowset_type": "BETA_ROWSET",
    "tablet_type": "TABLET_TYPE_DISK",
    "stale_rs_metas": [
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304052,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110871,
            "end_version": 110871,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": 2327797659332078573,
                "lo": 7167809766506379939
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319ae514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304051,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110872,
            "end_version": 110872,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": 5641694715114027141,
                "lo": -1305303411407503227
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319ba514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304053,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110873,
            "end_version": 110873,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": 7584276275844174751,
                "lo": 6031485551060637321
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319b6514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304050,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110874,
            "end_version": 110874,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": 7872968820325076273,
                "lo": 2888329064044138377
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319b2514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304056,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110875,
            "end_version": 110875,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -1708810391074634024,
                "lo": -6119288893526549094
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319c6514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304055,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110876,
            "end_version": 110876,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -5313172320886864936,
                "lo": 7096546702773597592
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319c2514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304057,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110877,
            "end_version": 110877,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -2355619569678264935,
                "lo": -7297223116182200183
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319ca514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 19512216,
            "tablet_id": 19512221,
            "txn_id": 67304054,
            "tablet_schema_hash": 1695478575,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 110878,
            "end_version": 110878,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -2646638899032791947,
                "lo": 3034348188439092151
            },
            "creation_time": 1782361870,
            "tablet_uid": {
                "hi": -5600445378431622225,
                "lo": -2428594438305616247
            },
            "num_segments": 0,
            "rowset_id_v2": "0200000009c319be514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782361870,
            "newest_write_timestamp": 1782361870,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "task_record_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "user_id",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "is_bf_column": true,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "digit_length",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "trial_index",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "expected_response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "response",
                        "type": "VARCHAR",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 102,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "is_correct",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "reaction_time",
                        "type": "INT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "trial_timestamp",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "created_at",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": true,
                        "default_value": "2026-03-02 10:55:41.574",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 1,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "bf_fpp": 0.05,
                "next_column_unique_id": 12,
                "is_in_memory": false,
                "delete_sign_idx": 10,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 4,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        }
    ],
    "replica_id": 19512222,
    "storage_policy": "",
    "delete_bitmap": {},
    "enable_unique_key_merge_on_write": true
}