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| author | mike bayer <mike_mp@zzzcomputing.com> | 2023-03-15 22:25:00 +0000 |
|---|---|---|
| committer | Gerrit Code Review <gerrit@bbpush.zzzcomputing.com> | 2023-03-15 22:25:00 +0000 |
| commit | d9539e3990acf19ee1a03690d4a7441d26a7fbfd (patch) | |
| tree | cc0d85dbc6ae87f4b99c879a453cdbc891ae9e96 /lib/sqlalchemy/dialects/postgresql/base.py | |
| parent | 918963553a93e107fc4c9d476ec1cb28d4500236 (diff) | |
| parent | 65eb057d0c586f2eed43ac0731822053f0f6d472 (diff) | |
| download | sqlalchemy-d9539e3990acf19ee1a03690d4a7441d26a7fbfd.tar.gz | |
Merge "Add override hook PGDialect.set_backslash_escapes()" into main
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/base.py | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py index a50eb253e..47a516a5a 100644 --- a/lib/sqlalchemy/dialects/postgresql/base.py +++ b/lib/sqlalchemy/dialects/postgresql/base.py @@ -3026,10 +3026,7 @@ class PGDialect(default.DefaultDialect): # https://www.postgresql.org/docs/9.3/static/release-9-2.html#AEN116689 self.supports_smallserial = self.server_version_info >= (9, 2) - std_string = connection.exec_driver_sql( - "show standard_conforming_strings" - ).scalar() - self._backslash_escapes = std_string == "off" + self._set_backslash_escapes(connection) self._supports_drop_index_concurrently = self.server_version_info >= ( 9, @@ -4694,3 +4691,11 @@ class PGDialect(default.DefaultDialect): domains.append(domain_rec) return domains + + def _set_backslash_escapes(self, connection): + # this method is provided as an override hook for descendant + # dialects (e.g. Redshift), so removing it may break them + std_string = connection.exec_driver_sql( + "show standard_conforming_strings" + ).scalar() + self._backslash_escapes = std_string == "off" |