flink-connector-jdbc-db2/src/main/java/org/apache/flink/connector/jdbc/db2/database/dialect/Db2Dialect.java
flink-connector-jdbc-mysql/src/main/java/org/apache/flink/connector/jdbc/mysql/database/dialect/MySqlDialect.java

flink-connector-jdbc-db2/src/main/java/org/apache/flink/connector/jdbc/db2/database/Db2Factory.java
flink-connector-jdbc-mysql/src/main/java/org/apache/flink/connector/jdbc/mysql/database/MySqlFactory.java