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Diffstat (limited to 'lib/sqlalchemy/databases/postgres.py')
-rw-r--r-- | lib/sqlalchemy/databases/postgres.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/sqlalchemy/databases/postgres.py b/lib/sqlalchemy/databases/postgres.py index f5eaf47f2..78f05954b 100644 --- a/lib/sqlalchemy/databases/postgres.py +++ b/lib/sqlalchemy/databases/postgres.py @@ -189,10 +189,17 @@ def descriptor(): ('host',"Hostname", None), ]} +SELECT_RE = re.compile( + r'\s*(?:SELECT|FETCH)', + re.I | re.UNICODE) + class PGExecutionContext(default.DefaultExecutionContext): def _is_server_side(self): return self.dialect.server_side_cursors and self.is_select() and not re.search(r'FOR UPDATE(?: NOWAIT)?\s*$', self.statement, re.I) + + def is_select(self): + return SELECT_RE.match(self.statement) def create_cursor(self): if self._is_server_side(): |