lessonone1 opened a new pull request #13026:
URL: https://github.com/apache/flink/pull/13026
## problem
sql insert into column size not equal to the size defined in DDL
throw exception (Field types of query result and registered TableSink)
FOR EXAMPLE:
DDL student (id, name, age)
DDL stuout(id, name, age)
insert into stuout( name, age ) select name, age from student ;
throw ValidationException: Field types of query result and registered
TableSink
for jdbc catalog or self defined catalog that get ddl from database meta it
is a problem
## how to solve
use insert into column to rebuild TableSchema before create TableSink
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