{
    "table_id": 10989258,
    "partition_id": 10989257,
    "tablet_id": 10989260,
    "schema_hash": 733546688,
    "shard_id": 38,
    "creation_time": 1745824966,
    "cumulative_layer_point": -1,
    "tablet_state": "PB_RUNNING",
    "schema": {
        "keys_type": "UNIQUE_KEYS",
        "column": [
            {
                "unique_id": 0,
                "name": "id",
                "type": "BIGINT",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": false,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 1,
                "name": "userId",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 2,
                "name": "studentId",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 3,
                "name": "classroomExamPaperId",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 4,
                "name": "status",
                "type": "TINYINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 5,
                "name": "totalScore",
                "type": "TINYINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 6,
                "name": "createdAt",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 7,
                "name": "updatedAt",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 8,
                "name": "completionTime",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 9,
                "name": "deletedAt",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "default_value": "1970-01-01 00:00:00",
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 10,
                "name": "classroomId",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 11,
                "name": "sectionContentId",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 12,
                "name": "__op",
                "type": "BOOLEAN",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 13,
                "name": "__DORIS_DELETE_SIGN__",
                "type": "TINYINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "is_nullable": false,
                "default_value": "0",
                "precision": 0,
                "frac": 0,
                "length": 1,
                "index_length": 1,
                "visible": true
            },
            {
                "unique_id": 14,
                "name": "__DORIS_VERSION_COL__",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE",
                "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",
        "next_column_unique_id": 15,
        "is_in_memory": false,
        "delete_sign_idx": 13,
        "sequence_col_idx": -1,
        "sort_type": "LEXICAL",
        "sort_col_num": 1,
        "compression_type": "LZ4F",
        "schema_version": 0,
        "disable_auto_compaction": false,
        "version_col_idx": -1
    },
    "rs_metas": [
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 0,
            "end_version": 26582,
            "num_rows": 57642,
            "total_disk_size": 459140,
            "data_disk_size": 459140,
            "index_disk_size": 5131,
            "empty": false,
            "creation_time": 1783047503,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 1,
            "rowset_id_v2": "020000000a10b542514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1745824966,
            "newest_write_timestamp": 1782994638,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002\u0000\u0000\u0000\u0000\u0000\u0000\u0002",
                    "max_key": "\u0002\u0000\u0000\u0000\u0000\u0003o"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 26583,
            "end_version": 27670,
            "num_rows": 17298,
            "total_disk_size": 81631,
            "data_disk_size": 81631,
            "index_disk_size": 2268,
            "empty": false,
            "creation_time": 1784937804,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 1,
            "rowset_id_v2": "020000000afd7655514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1783055356,
            "newest_write_timestamp": 1784937800,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002\u0000\u0000\u0000\u0000\u0002+\u001C",
                    "max_key": "\u0002\u0000\u0000\u0000\u0000\u0004³"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 27671,
            "end_version": 28338,
            "num_rows": 7643,
            "total_disk_size": 37881,
            "data_disk_size": 37881,
            "index_disk_size": 916,
            "empty": false,
            "creation_time": 1785888577,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 1,
            "rowset_id_v2": "020000000b65dde4514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1784937891,
            "newest_write_timestamp": 1785888574,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002\u0000\u0000\u0000\u0000\u0004F",
                    "max_key": "\u0002\u0000\u0000\u0000\u0000\u0005\u0011\n"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28339,
            "end_version": 28541,
            "num_rows": 2728,
            "total_disk_size": 15326,
            "data_disk_size": 15326,
            "index_disk_size": 866,
            "empty": false,
            "creation_time": 1786256329,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 1,
            "rowset_id_v2": "020000000b8dee70514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1785888614,
            "newest_write_timestamp": 1786256325,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002\u0000\u0000\u0000\u0000\u0004ŻM",
                    "max_key": "\u0002\u0000\u0000\u0000\u0000\u0005;"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28542,
            "end_version": 28546,
            "num_rows": 1,
            "total_disk_size": 2920,
            "data_disk_size": 2920,
            "index_disk_size": 607,
            "empty": false,
            "creation_time": 1786259472,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 1,
            "rowset_id_v2": "020000000b8e5e86514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1786256365,
            "newest_write_timestamp": 1786259470,
            "segments_key_bounds": [
                {
                    "min_key": "\u0002\u0000\u0000\u0000\u0000\u0004ĉ\u0017",
                    "max_key": "\u0002\u0000\u0000\u0000\u0000\u0004ĉ\u0017"
                }
            ],
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28547,
            "end_version": 28555,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "creation_time": 1786278495,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 0,
            "rowset_id_v2": "020000000b90e0a8514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1786259810,
            "newest_write_timestamp": 1786278495,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "txn_id": 78907375,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28556,
            "end_version": 28556,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -4806149816667947218,
                "lo": -1732982912126080875
            },
            "creation_time": 1786282519,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 0,
            "rowset_id_v2": "020000000b915c9c514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1786282519,
            "newest_write_timestamp": 1786282519,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "txn_id": 78909378,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28557,
            "end_version": 28557,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -4807608912531624604,
                "lo": 1454147151104467360
            },
            "creation_time": 1786284362,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 0,
            "rowset_id_v2": "020000000b918378514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1786284362,
            "newest_write_timestamp": 1786284362,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 10989257,
            "tablet_id": 10989260,
            "txn_id": 78928587,
            "tablet_schema_hash": 733546688,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 28558,
            "end_version": 28558,
            "num_rows": 0,
            "total_disk_size": 0,
            "data_disk_size": 0,
            "index_disk_size": 0,
            "empty": true,
            "load_id": {
                "hi": -1062764510617101239,
                "lo": 5695281766198338995
            },
            "creation_time": 1786289387,
            "tablet_uid": {
                "hi": 8451486681704961973,
                "lo": -1657905298513763421
            },
            "num_segments": 0,
            "rowset_id_v2": "020000000b921996514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1786289387,
            "newest_write_timestamp": 1786289387,
            "tablet_schema": {
                "keys_type": "UNIQUE_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "id",
                        "type": "BIGINT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "userId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "classroomExamPaperId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "status",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "totalScore",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "updatedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "completionTime",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "deletedAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "1970-01-01 00:00:00",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "classroomId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 11,
                        "name": "sectionContentId",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 12,
                        "name": "__op",
                        "type": "BOOLEAN",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 13,
                        "name": "__DORIS_DELETE_SIGN__",
                        "type": "TINYINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "is_nullable": false,
                        "default_value": "0",
                        "precision": 0,
                        "frac": 0,
                        "length": 1,
                        "index_length": 1,
                        "visible": true
                    },
                    {
                        "unique_id": 14,
                        "name": "__DORIS_VERSION_COL__",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE",
                        "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",
                "next_column_unique_id": 15,
                "is_in_memory": false,
                "delete_sign_idx": 13,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 1,
                "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": 8451486681704961973,
        "lo": -1657905298513763421
    },
    "preferred_rowset_type": "BETA_ROWSET",
    "tablet_type": "TABLET_TYPE_DISK",
    "replica_id": 10989261,
    "storage_policy": "",
    "enable_unique_key_merge_on_write": false
}