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-rw-r--r--lib/sqlalchemy/dialects/postgresql/base.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index cea9d67b6..f69a6e010 100644
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -2204,7 +2204,10 @@ class PGDialect(default.DefaultDialect):
t.relname,
i.relname
""" % (
- "::varchar" if self.server_version_info >= (8, 1) else "",
+ # version 8.3 here was based on observing the
+ # cast does not work in PG 8.2.4, does work in 8.3.0.
+ # nothing in PG changelogs regarding this.
+ "::varchar" if self.server_version_info >= (8, 3) else "",
self._pg_index_any("a.attnum", "ix.indkey")
)