Major Feature Category | Feature Subitem or Description | Supported Capability |
Sync Objects | - | Ordinary object table, index, view |
Sync Type | - | Structure sync Full sync (automatically continue with incremental after full completion) Incremental sync |
Breakpoint Resume | - | Partial support for full export (structure export, no primary key table export; stage does not support resume); Full import, incremental support. |
Task Channel Key Operation | Retry | Supported. |
| Pause, recover | Supported. |
| Modify sync configuration (dynamically add or remove table objects) | Not supported |
| Create similar task | Supported. |
| Speed Limit | Supported. |
Sync Direction | Many-to-one (multiple instances merged into one/multiple tables merged into one) | Supported. |
| One-to-many | Supported. |
| Bidirectional synchronization | Supported. |
| Synchronization within the same instance (only one-to-one mode is supported) | Supported. |
Structure Sync | Database and table filtering | Supported. |
| Column filtering | Not supported |
| Database and table name mapping | Supported. |
| Column name mapping | Not supported |
| Custom partitioning (specifying partition type and partition key) | When MySQL/MariaDB/Percona is synchronized to TDSQL MySQL, partitioned tables from the source are converted into single tables at the target end. |
Full Sync | Where condition filtering | Supported. |
Incremental Sync | Primary key conflict resolution policy | Conflict overwrite only |
| DML sync (INSERT/UPDATE/DELETE) | Supported. |
| DML filtering | Supported. |
| DDL sync | DROP DATABASE,ALTER DATABASE. CREATE TABLE,ALTER TABLE,DROP TABLE,TRUNCATE TABLE,RENAME TABLE. CREATE VIEW,DROP VIEW. CREATE INDEX,DROP INDEX. CREATE TABLE table_name AS SELECT statements are not supported. |
| DDL filtering | Supported. |
| Where condition filtering | Supported. |
| Scheduled sync | Supported. |
| OnlineDDL | Supported. |
Data Consistency Check | Check on the entire instance | Supported. |
| Check on the number of rows | Supported. |
| Sampling check | Supported. |
| Consistency check after filtering using the Where clause supported (independent check) | Supported. |
| Consistency check on specified columns supported (independent check) | Supported. |
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