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Fixed #28975 -- Made PostGIS backend skip extension creation if installed.

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Rust Saiargaliev 2022-08-10 14:42:53 +03:00 • committed by GitHub
parent 721706f4c4
commit 8403da3696
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django/contrib/gis/db/backends/postgis/base.py
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@ -23,4 +23,7 @@ class DatabaseWrapper(Psycopg2DatabaseWrapper):
super().prepare_database() super().prepare_database()
# Check that postgis extension is installed. # Check that postgis extension is installed.
with self.cursor() as cursor: with self.cursor() as cursor:
cursor.execute("SELECT 1 FROM pg_extension WHERE extname = %s", ["postgis"])
if bool(cursor.fetchone()):
return
cursor.execute("CREATE EXTENSION IF NOT EXISTS postgis") cursor.execute("CREATE EXTENSION IF NOT EXISTS postgis")