Caizhi Weng created FLINK-18726:
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Summary: Support INSERT INTO specific columns
Key: FLINK-18726
URL: https://issues.apache.org/jira/browse/FLINK-18726
Project: Flink
Issue Type: Improvement
Components: Table SQL / Planner
Reporter: Caizhi Weng
Currently Flink only supports insert into a table without specifying columns,
but most database systems support insert into specific columns by
{code:sql}
INSERT INTO table_name(column1, column2, ...) ...
{code}
The columns not specified will be filled with default values or {{NULL}} if no
default value is given when creating the table.
As Flink currently does not support default values when creating tables, we can
fill the unspecified columns with {{NULL}} and throw exceptions if there are
columns with {{NOT NULL}} constraints.
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