lincoln-lil commented on code in PR #23075: URL: https://github.com/apache/flink/pull/23075#discussion_r1274924840
########## docs/content/docs/dev/table/sql/insert.md: ########## @@ -208,7 +208,9 @@ column_list: **COLUMN LIST** Given a table T(a INT, b INT, c INT), Flink supports INSERT INTO T(c, b) SELECT x, y FROM S. The expectation is -that 'x' is written to column 'c' and 'y' is written to column 'b' and 'a' is set to NULL (assuming column 'a' is nullable). +that 'x' is written to column 'c' and 'y' is written to column 'b' and 'a' is set to NULL (assuming column 'a' is nullable). +For the connector developers who want to avoid overwriting non-target columns with null values when processing partial column updates, Review Comment: For connector developers who want to avoid overwriting non-target columns with null values when processing partial column updates, you can get the information about the target columns specified by the user's insert statement from 'getTargetColumns(link...)' and decide how to process the partial updates. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
