KurtYoung commented on issue #8844: [FLINK-12951][table-planner] Add logic to bridge DDL to table source(… URL: https://github.com/apache/flink/pull/8844#issuecomment-510290992 > How about supporting DDL & DML both in `sqlUpdate`? This can avoid to introduce a new `sql()` interface right now. > > JDBC has a similar design about this, the `java.sql.Statement` interface has [`ResultSet executeQuery(String sql)`](https://docs.oracle.com/javase/8/docs/api/java/sql/Statement.html#executeQuery-java.lang.String-) method to execute only SELECT statement and return a query result (aka. Table), and also has a [`int executeUpdate(String sql)`](https://docs.oracle.com/javase/8/docs/api/java/sql/Statement.html#executeUpdate-java.lang.String-) method to execute DMLs and DDLs and returns effected rows. > > So I think it makes sense to support DDL in `sqlUpdate` because it is also an update statement. Sounds like a reasonable solution
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