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ASF subversion and git services commented on IMPALA-7832: --------------------------------------------------------- Commit 8b375a66a29cfea33a4e418b1fa3b9b5139cf907 in impala's branch refs/heads/dependabot/pip/infra/python/deps/wheel-0.38.1 from xiabaike [ https://gitbox.apache.org/repos/asf?p=impala.git;h=8b375a66a ] IMPALA-11565: Support IF NOT EXISTS in alter table add columns for kudu/iceberg table Impala already supports IF NOT EXISTS in alter table add columns for general hive table in IMPALA-7832, but not for kudu/iceberg table. This patch try to add such semantics for kudu/iceberg table. Testing: - Updated E2E DDL tests - Added fe tests Change-Id: I82590e5372e881f2e81d4ed3dd0d32a2d3ddb517 Reviewed-on: http://gerrit.cloudera.org:8080/18953 Tested-by: Impala Public Jenkins <impala-public-jenk...@cloudera.com> Reviewed-by: Wenzhe Zhou <wz...@cloudera.com> > Support IF NOT EXISTS in alter table add columns > ------------------------------------------------ > > Key: IMPALA-7832 > URL: https://issues.apache.org/jira/browse/IMPALA-7832 > Project: IMPALA > Issue Type: New Feature > Components: Frontend > Affects Versions: Impala 3.1.0 > Reporter: Thomas Tauber-Marshall > Assignee: Fredy Wijaya > Priority: Minor > Labels: ramp-up > Fix For: Impala 3.2.0 > > > alter table <table_name> add [if not exists] columns (<name> <type> [, <name> > <type>...]) > would add the column only if a column of the same name does not already exist > Probably worth checking out what other databases do in different situations, > eg. if the column already exists but with a different type, if "replace" is > used instead of "add", etc. -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-all-unsubscr...@impala.apache.org For additional commands, e-mail: issues-all-h...@impala.apache.org