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authormike bayer <mike_mp@zzzcomputing.com>2020-12-14 16:35:56 +0000
committerGerrit Code Review <gerrit@bbpush.zzzcomputing.com>2020-12-14 16:35:56 +0000
commitaa47eca615eaf8277f6a6365a05539fda1b725e2 (patch)
tree28567a48673024bd80473ff0a62f3f82a4ccc2f3 /lib/sqlalchemy/dialects/postgresql/base.py
parent8d3254b6727b306e19dd0db299586b95caa46c9e (diff)
parent0d50b0c7c5b0a9fda4c962f09900e45bebeb1a02 (diff)
downloadsqlalchemy-aa47eca615eaf8277f6a6365a05539fda1b725e2.tar.gz
Merge "Support IF EXISTS/IF NOT EXISTS for DDL constructs"
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index 8f2653c74..9b6c632da 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -2380,6 +2380,9 @@ class PGDDLCompiler(compiler.DDLCompiler):
if concurrently:
text += "CONCURRENTLY "
+ if create.if_not_exists:
+ text += "IF NOT EXISTS "
+
text += "%s ON %s " % (
self._prepared_index_name(index, include_schema=False),
preparer.format_table(index.table),
@@ -2463,6 +2466,9 @@ class PGDDLCompiler(compiler.DDLCompiler):
if concurrently:
text += "CONCURRENTLY "
+ if drop.if_exists:
+ text += "IF EXISTS "
+
text += self._prepared_index_name(index, include_schema=True)
return text