Prashant Sharma 733a468726 [SPARK-33130][SQL] Support ALTER TABLE in JDBC v2 Table Catalog: add, update type and nullability of columns (MsSqlServer dialect) ... ### What changes were proposed in this pull request? Override the default SQL strings for: ALTER TABLE RENAME COLUMN ALTER TABLE UPDATE COLUMN NULLABILITY in the following MsSQLServer JDBC dialect according to official documentation. Write MsSqlServer integration tests for JDBC. ### Why are the changes needed? To add the support for alter table when interacting with MSSql Server. ### Does this PR introduce _any_ user-facing change? ### How was this patch tested? added tests Closes #30038 from ScrapCodes/mssql-dialect. Authored-by: Prashant Sharma <prashsh1@in.ibm.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com>		2020-11-06 05:46:38 +00:00
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src/test	[SPARK-33130][SQL] Support ALTER TABLE in JDBC v2 Table Catalog: add, update type and nullability of columns (MsSqlServer dialect)	2020-11-06 05:46:38 +00:00
pom.xml	[SPARK-32049][SQL][TESTS] Upgrade Oracle JDBC Driver 8	2020-06-23 03:58:40 -07:00