From 1075dfdaf33ad8b2a61c26b5748735005e6192b9 Mon Sep 17 00:00:00 2001 From: Greg Stark Date: Wed, 19 Dec 2018 18:28:35 -0500 Subject: [PATCH] Fix ADD IF NOT EXISTS used in conjunction with ALTER TABLE ONLY The flag for IF NOT EXISTS was only being passed down in the normal recursing case. It's been this way since originally added in 9.6 in commit 2cd40adb85 so backpatch back to 9.6. --- src/backend/commands/tablecmds.c | 2 +- src/test/regress/expected/alter_table.out | 6 ++++++ src/test/regress/sql/alter_table.sql | 4 ++++ 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index eef3b3a26c..ad8c176793 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -4054,7 +4054,7 @@ ATExecCmd(List **wqueue, AlteredTableInfo *tab, Relation rel, case AT_AddColumnToView: /* add column via CREATE OR REPLACE VIEW */ address = ATExecAddColumn(wqueue, tab, rel, (ColumnDef *) cmd->def, false, false, - false, lockmode); + cmd->missing_ok, lockmode); break; case AT_AddColumnRecurse: address = ATExecAddColumn(wqueue, tab, rel, (ColumnDef *) cmd->def, diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out index 889b15fb8e..27cf550396 100644 --- a/src/test/regress/expected/alter_table.out +++ b/src/test/regress/expected/alter_table.out @@ -3173,6 +3173,9 @@ ALTER TABLE test_add_column ALTER TABLE test_add_column ADD COLUMN c2 integer; -- fail because c2 already exists ERROR: column "c2" of relation "test_add_column" already exists +ALTER TABLE ONLY test_add_column + ADD COLUMN c2 integer; -- fail because c2 already exists +ERROR: column "c2" of relation "test_add_column" already exists \d test_add_column Table "public.test_add_column" Column | Type | Collation | Nullable | Default @@ -3183,6 +3186,9 @@ ERROR: column "c2" of relation "test_add_column" already exists ALTER TABLE test_add_column ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists NOTICE: column "c2" of relation "test_add_column" already exists, skipping +ALTER TABLE ONLY test_add_column + ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists +NOTICE: column "c2" of relation "test_add_column" already exists, skipping \d test_add_column Table "public.test_add_column" Column | Type | Collation | Nullable | Default diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql index 9b87fbcf6d..a498e4e99c 100644 --- a/src/test/regress/sql/alter_table.sql +++ b/src/test/regress/sql/alter_table.sql @@ -1971,9 +1971,13 @@ ALTER TABLE test_add_column \d test_add_column ALTER TABLE test_add_column ADD COLUMN c2 integer; -- fail because c2 already exists +ALTER TABLE ONLY test_add_column + ADD COLUMN c2 integer; -- fail because c2 already exists \d test_add_column ALTER TABLE test_add_column ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists +ALTER TABLE ONLY test_add_column + ADD COLUMN IF NOT EXISTS c2 integer; -- skipping because c2 already exists \d test_add_column ALTER TABLE test_add_column ADD COLUMN c2 integer, -- fail because c2 already exists