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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/sqlite/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/sqlite/base.py')
-rw-r--r--lib/sqlalchemy/dialects/sqlite/base.py8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index c56c1f020..c53b3c228 100644
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -1564,7 +1564,13 @@ class SQLiteDDLCompiler(compiler.DDLCompiler):
text = "CREATE "
if index.unique:
text += "UNIQUE "
- text += "INDEX %s ON %s (%s)" % (
+
+ text += "INDEX "
+
+ if create.if_not_exists:
+ text += "IF NOT EXISTS "
+
+ text += "%s ON %s (%s)" % (
self._prepared_index_name(index, include_schema=True),
preparer.format_table(index.table, use_schema=False),
", ".join(