flink-connector-jdbc-oceanbase/src/main/java/org/apache/flink/connector/jdbc/oceanbase/database/dialect/OceanBaseDialect.java
flink-connector-jdbc-postgres/src/main/java/org/apache/flink/connector/jdbc/postgres/database/dialect/PostgresDialect.java

flink-connector-jdbc-oceanbase/src/main/java/org/apache/flink/connector/jdbc/oceanbase/database/OceanBaseFactory.java
flink-connector-jdbc-postgres/src/main/java/org/apache/flink/connector/jdbc/postgres/database/PostgresFactory.java

flink-connector-jdbc-oceanbase/src/main/java/org/apache/flink/connector/jdbc/oceanbase/database/catalog/OceanBaseCatalog.java
flink-connector-jdbc-postgres/src/main/java/org/apache/flink/connector/jdbc/postgres/database/catalog/PostgresCatalog.java