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TDSTORE_COLUMNAR_FILES_INFO

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Last updated: 2026-02-10 11:06:31

Function

INFORMATION_SCHEMA.TDSTORE_COLUMNAR_FILES_INFO displays information about columnar files in columnar nodes.

Field Description

Field Name
Type
Description
TABLE_ID
INT
The TIndexID of the table corresponding to the file.
DB
VARCHAR
The name of the DATABASE corresponding to the file.
TABLE_NAME
VARCHAR
The name of the TABLE corresponding to the file.
FILE_PATH
VARCHAR
The absolute path of the file.
FILE_ID
INT
The ID of the file.
FILE_SIZE_IN_MB
DOUBLE
The size of the file, in MB.
LAST_WRITE_TIME
VARCHAR
The last modified time of the file.
RECORD_COUNT
INT
The total number of data rows in the file.
INVALID_RECORD_COUNT
INT
The number of invalid data rows in the file.
INVALID_RATIO
DOUBLE
The proportion of invalid data in the file, that is INVALID_RECORD_COUNT/RECORD_COUNT.

Examples

SELECT * FROM TDSTORE_COLUMNAR_FILES_INFO;
+----------+----------+------------+-----------------------------------------------------------------------------------------------------------+---------+-------------------+---------------------+--------------+----------------------+---------------+
| TABLE_ID | DB | TABLE_NAME | FILE_PATH | FILE_ID | FILE_SIZE_IN_MB | LAST_WRITE_TIME | RECORD_COUNT | INVALID_RECORD_COUNT | INVALID_RATIO |
+----------+----------+------------+-----------------------------------------------------------------------------------------------------------+---------+-------------------+---------------------+--------------+----------------------+---------------+
| 10024 | tpch100g | part | /data/tdsql/auto-install-clang-debug-build/10351/data/10351/tdstore/columnar_data/10024_00000010.parquet | 10 | 25.18278980255127 | 2025-04-16 16:19:25 | 500387 | 0 | 0 |
| 10024 | tpch100g | part | /data/tdsql/auto-install-clang-debug-build/10351/data/10351/tdstore/columnar_data/10024_00000012.parquet | 12 | 25.41611957550049 | 2025-04-16 16:19:32 | 502697 | 0 | 0 |
+----------+----------+------------+-----------------------------------------------------------------------------------------------------------+---------+-------------------+---------------------+--------------+----------------------+---------------+


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