huyuanfeng2018 opened a new pull request, #5956: URL: https://github.com/apache/paimon/pull/5956
## Purpose from #5955 ### What is the purpose of the change Optimize SyncDatabaseAction performance by removing expensive listTables operations during initialization, improving scalability for databases with many tables. ### Brief change log - Remove `listTables()` call from `RichCdcMultiplexRecordEventParser` - Implement lazy table creation in `CdcDynamicTableParsingProcessFunction#processElement` - Remove `createdTables` Set to reduce memory usage ### Verifying this change - Verified existing functionality remains intact ### Testing This optimization does not require additional test cases as the existing functionality is already covered by: - `SyncDatabaseActionBaseTest.testSyncTablesWithoutDbLists()` - validates table filtering logic - `SyncDatabaseActionBaseTest.testSyncTablesWithDbList()` - validates database filtering logic - `SyncDatabaseActionBaseTest.testSycTablesCrossDB()` - validates cross-database filtering scenarios All these tests create and use RichCdcMultiplexRecordEventParser, ensuring the optimization doesn't break existing functionality. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@paimon.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
