diff options
Diffstat (limited to 'lib/sqlalchemy/engine/default.py')
| -rw-r--r-- | lib/sqlalchemy/engine/default.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py index 7fddf2814..0c48fcba3 100644 --- a/lib/sqlalchemy/engine/default.py +++ b/lib/sqlalchemy/engine/default.py @@ -1141,6 +1141,17 @@ class DefaultExecutionContext(interfaces.ExecutionContext): return "unknown" @util.memoized_property + def identifier_preparer(self): + if self.compiled: + return self.compiled.preparer + elif "schema_translate_map" in self.execution_options: + return self.dialect.identifier_preparer._with_schema_translate( + self.execution_options["schema_translate_map"] + ) + else: + return self.dialect.identifier_preparer + + @util.memoized_property def engine(self): return self.root_connection.engine @@ -1197,6 +1208,14 @@ class DefaultExecutionContext(interfaces.ExecutionContext): ): stmt = self.dialect._encoder(stmt)[0] + if "schema_translate_map" in self.execution_options: + schema_translate_map = self.execution_options.get( + "schema_translate_map", {} + ) + + rst = self.identifier_preparer._render_schema_translates + stmt = rst(stmt, schema_translate_map) + if not parameters: if self.dialect.positional: parameters = self.dialect.execute_sequence_format() |