SHOW MIGRATION CHECK ALGORITHM 语法用于查询数据迁移一致性校验算法。
ShowMigrationCheckAlgorithm ::=
'SHOW' 'MIGRATION' 'CHECK' 'ALGORITHMS'
| 列 | 说明 |
|---|---|
| type | 一致性校验算法类型 |
| supported_database_types | 支持数据库类型 |
| description | 说明 |
SHOW MIGRATION CHECK ALGORITHMS;
mysql> SHOW MIGRATION CHECK ALGORITHMS;
+-------------+--------------------------------------------------------------+----------------------------+
| type | supported_database_types | description |
+-------------+--------------------------------------------------------------+----------------------------+
| CRC32_MATCH | MySQL | Match CRC32 of records. |
| DATA_MATCH | SQL92,MySQL,MariaDB,PostgreSQL,openGauss,Oracle,SQLServer,H2 | Match raw data of records. |
+-------------+--------------------------------------------------------------+----------------------------+
2 rows in set (0.03 sec)
SHOW、MIGRATION、CHECK、ALGORITHMS