dongjoon-hyun commented on a change in pull request #27270: [SPARK-28152][DOCS][FOLLOWUP] Add a migration guide for MsSQLServer JDBC dialect URL: https://github.com/apache/spark/pull/27270#discussion_r368193120
########## File path: docs/sql-migration-guide.md ########## @@ -344,6 +344,12 @@ license: | - Since Spark 2.4.5, `TRUNCATE TABLE` command tries to set back original permission and ACLs during re-creating the table/partition paths. To restore the behaviour of earlier versions, set `spark.sql.truncateTable.ignorePermissionAcl.enabled` to `true`. + - Since Spark 2.4.5, `spark.sql.legacy.mssqlserver.numericMapping.enabled` configuration is added in order to support the legacy MsSQLServer dialect mapping behavior using IntegerType and DoubleType for SMALLINT and REAL JDBC types, respectively. To restore the behaviour of 2.4.3 and earlier versions, set `spark.sql.legacy.mssqlserver.numericMapping.enabled` to `true`. + +## Upgrading from Spark SQL 2.4.3 to 2.4.4 Review comment: IMO, although it's late for 2.4.4, `2.4.3` to `2.4.4` will be correct. When the users upgrade from 1.6.3 to 3.0.0, they need to see all previous migration guides. If there is some regression on 2.4.5, the users can use 2.4.4 instead of 2.4.5. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
