[hotfix][postgres] Flink CDC Postgres Connector subsribe regular expr… #3808
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…ession will be slow
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PostgresSourceBuilder postgresSourceBuilder = PostgresSourceBuilder.PostgresIncrementalSource.builder()
.tableList("test\.t_(.*)");
when table is regular expression, and match too many tables, Source will load all match table's columns , index, primary for each table chunk phase, actually only the conext tableId should load.