{
    "table_id": 336765,
    "partition_id": 336764,
    "tablet_id": 336781,
    "schema_hash": 1058753690,
    "shard_id": 377,
    "creation_time": 1697167432,
    "cumulative_layer_point": -1,
    "tablet_state": "PB_RUNNING",
    "schema": {
        "keys_type": "AGG_KEYS",
        "column": [
            {
                "unique_id": 0,
                "name": "dimTimeId",
                "type": "INT",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": false,
                "precision": 0,
                "frac": 0,
                "length": 4,
                "index_length": 4,
                "visible": true
            },
            {
                "unique_id": 1,
                "name": "period",
                "type": "VARCHAR",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": false,
                "precision": 0,
                "frac": 0,
                "length": 22,
                "index_length": 20,
                "visible": true
            },
            {
                "unique_id": 2,
                "name": "studentId",
                "type": "INT",
                "is_key": true,
                "aggregation": "NONE",
                "is_nullable": false,
                "precision": 0,
                "frac": 0,
                "length": 4,
                "index_length": 4,
                "visible": true
            },
            {
                "unique_id": 3,
                "name": "attendCourseTotal",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 4,
                "name": "onlineDurationTotal",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 5,
                "name": "projectTotal",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 6,
                "name": "activeCount",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 7,
                "name": "onlineDurationIncr",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 8,
                "name": "projectIncr",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 9,
                "name": "attendCourseIncr",
                "type": "BIGINT",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            },
            {
                "unique_id": 10,
                "name": "createdAt",
                "type": "DATETIME",
                "is_key": false,
                "aggregation": "REPLACE_IF_NOT_NULL",
                "is_nullable": true,
                "precision": 0,
                "frac": 0,
                "length": 8,
                "index_length": 8,
                "visible": true
            }
        ],
        "num_short_key_columns": 2,
        "num_rows_per_row_block": 1024,
        "compress_kind": "COMPRESS_LZ4",
        "next_column_unique_id": 11,
        "is_in_memory": false,
        "delete_sign_idx": -1,
        "sequence_col_idx": -1,
        "sort_type": "LEXICAL",
        "sort_col_num": 3,
        "compression_type": "LZ4F",
        "schema_version": 0,
        "disable_auto_compaction": false,
        "version_col_idx": -1
    },
    "rs_metas": [
        {
            "rowset_id": 0,
            "partition_id": 336764,
            "tablet_id": 336781,
            "tablet_schema_hash": 1058753690,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 0,
            "end_version": 15795,
            "num_rows": 19555834,
            "total_disk_size": 70180645,
            "data_disk_size": 70180645,
            "index_disk_size": 653894,
            "empty": false,
            "creation_time": 1778947816,
            "tablet_uid": {
                "hi": 3117924684422975153,
                "lo": 8193698965538097557
            },
            "num_segments": 1,
            "rowset_id_v2": "0200000008918139514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1697167432,
            "newest_write_timestamp": 1778861369,
            "segments_key_bounds": [
                {
                    "min_key": "\u00024°¦\u0002day\u0002€\u0002®ä",
                    "max_key": "\u00025&¤\u0002day\u0002€\u000F˜\u0000"
                }
            ],
            "tablet_schema": {
                "keys_type": "AGG_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "dimTimeId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "period",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 22,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "attendCourseTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "onlineDurationTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "projectTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "activeCount",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "onlineDurationIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "projectIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "attendCourseIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 2,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "next_column_unique_id": 11,
                "is_in_memory": false,
                "delete_sign_idx": -1,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 3,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 336764,
            "tablet_id": 336781,
            "tablet_schema_hash": 1058753690,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 15796,
            "end_version": 16679,
            "num_rows": 472582,
            "total_disk_size": 2262418,
            "data_disk_size": 2262418,
            "index_disk_size": 15512,
            "empty": false,
            "creation_time": 1781367025,
            "tablet_uid": {
                "hi": 3117924684422975153,
                "lo": 8193698965538097557
            },
            "num_segments": 1,
            "rowset_id_v2": "02000000096dd264514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1778947777,
            "newest_write_timestamp": 1781367025,
            "segments_key_bounds": [
                {
                    "min_key": "\u00025&¤\u0002day\u0002€\u0000\u0000\u001C",
                    "max_key": "\u00025'\u0006\u0002day\u0002€\u000Fôœ"
                }
            ],
            "tablet_schema": {
                "keys_type": "AGG_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "dimTimeId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "period",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 22,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "attendCourseTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "onlineDurationTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "projectTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "activeCount",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "onlineDurationIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "projectIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "attendCourseIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 2,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "next_column_unique_id": 11,
                "is_in_memory": false,
                "delete_sign_idx": -1,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 3,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 336764,
            "tablet_id": 336781,
            "tablet_schema_hash": 1058753690,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 16680,
            "end_version": 16897,
            "num_rows": 131693,
            "total_disk_size": 631476,
            "data_disk_size": 631476,
            "index_disk_size": 4651,
            "empty": false,
            "creation_time": 1781971870,
            "tablet_uid": {
                "hi": 3117924684422975153,
                "lo": 8193698965538097557
            },
            "num_segments": 1,
            "rowset_id_v2": "0200000009a1d3db514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1781367026,
            "newest_write_timestamp": 1781971869,
            "segments_key_bounds": [
                {
                    "min_key": "\u00025'\u0006\u0002day\u0002€\u0000\u0000\u001C",
                    "max_key": "\u00025'\r\u0002week\u0002€\u000Fúa"
                }
            ],
            "tablet_schema": {
                "keys_type": "AGG_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "dimTimeId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "period",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 22,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "attendCourseTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "onlineDurationTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "projectTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "activeCount",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "onlineDurationIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "projectIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "attendCourseIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 2,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "next_column_unique_id": 11,
                "is_in_memory": false,
                "delete_sign_idx": -1,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 3,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 336764,
            "tablet_id": 336781,
            "tablet_schema_hash": 1058753690,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 16898,
            "end_version": 16980,
            "num_rows": 55142,
            "total_disk_size": 265252,
            "data_disk_size": 265252,
            "index_disk_size": 2127,
            "empty": false,
            "creation_time": 1782230967,
            "tablet_uid": {
                "hi": 3117924684422975153,
                "lo": 8193698965538097557
            },
            "num_segments": 1,
            "rowset_id_v2": "0200000009b6b0d2514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1781971869,
            "newest_write_timestamp": 1782230966,
            "segments_key_bounds": [
                {
                    "min_key": "\u00025'\r\u0002day\u0002€\u0000\u0000\u001C",
                    "max_key": "\u00025'\u000F\u0002day\u0002€\u000FýË"
                }
            ],
            "tablet_schema": {
                "keys_type": "AGG_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "dimTimeId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "period",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 22,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "attendCourseTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "onlineDurationTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "projectTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "activeCount",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "onlineDurationIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "projectIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "attendCourseIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 2,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "next_column_unique_id": 11,
                "is_in_memory": false,
                "delete_sign_idx": -1,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 3,
                "compression_type": "LZ4F",
                "schema_version": 0,
                "disable_auto_compaction": false,
                "version_col_idx": -1
            },
            "segments_overlap_pb": "NONOVERLAPPING"
        },
        {
            "rowset_id": 0,
            "partition_id": 336764,
            "tablet_id": 336781,
            "tablet_schema_hash": 1058753690,
            "rowset_type": "BETA_ROWSET",
            "rowset_state": "VISIBLE",
            "start_version": 16981,
            "end_version": 17019,
            "num_rows": 27631,
            "total_disk_size": 131281,
            "data_disk_size": 131281,
            "index_disk_size": 1249,
            "empty": false,
            "creation_time": 1782317388,
            "tablet_uid": {
                "hi": 3117924684422975153,
                "lo": 8193698965538097557
            },
            "num_segments": 1,
            "rowset_id_v2": "0200000009bf9de4514f3c0a4431ef29fdb28aaedb5b78a6",
            "oldest_write_timestamp": 1782230987,
            "newest_write_timestamp": 1782317388,
            "segments_key_bounds": [
                {
                    "min_key": "\u00025'\u0010\u0002day\u0002€\u0000\u0000\u001C",
                    "max_key": "\u00025'\u0011\u0002day\u0002€\u000FýË"
                }
            ],
            "tablet_schema": {
                "keys_type": "AGG_KEYS",
                "column": [
                    {
                        "unique_id": 0,
                        "name": "dimTimeId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 1,
                        "name": "period",
                        "type": "VARCHAR",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 22,
                        "index_length": 20,
                        "visible": true
                    },
                    {
                        "unique_id": 2,
                        "name": "studentId",
                        "type": "INT",
                        "is_key": true,
                        "aggregation": "NONE",
                        "is_nullable": false,
                        "precision": 0,
                        "frac": 0,
                        "length": 4,
                        "index_length": 4,
                        "visible": true
                    },
                    {
                        "unique_id": 3,
                        "name": "attendCourseTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 4,
                        "name": "onlineDurationTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 5,
                        "name": "projectTotal",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 6,
                        "name": "activeCount",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 7,
                        "name": "onlineDurationIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 8,
                        "name": "projectIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 9,
                        "name": "attendCourseIncr",
                        "type": "BIGINT",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    },
                    {
                        "unique_id": 10,
                        "name": "createdAt",
                        "type": "DATETIME",
                        "is_key": false,
                        "aggregation": "REPLACE_IF_NOT_NULL",
                        "is_nullable": true,
                        "precision": 0,
                        "frac": 0,
                        "length": 8,
                        "index_length": 8,
                        "visible": true
                    }
                ],
                "num_short_key_columns": 2,
                "num_rows_per_row_block": 1024,
                "compress_kind": "COMPRESS_LZ4",
                "next_column_unique_id": 11,
                "is_in_memory": false,
                "delete_sign_idx": -1,
                "sequence_col_idx": -1,
                "sort_type": "LEXICAL",
                "sort_col_num": 3,
                "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": 3117924684422975153,
        "lo": 8193698965538097557
    },
    "preferred_rowset_type": "BETA_ROWSET",
    "tablet_type": "TABLET_TYPE_DISK",
    "replica_id": 336782,
    "storage_policy": "",
    "enable_unique_key_merge_on_write": false
}