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-rw-r--r--lib/sqlalchemy/engine/default.py25
1 files changed, 8 insertions, 17 deletions
diff --git a/lib/sqlalchemy/engine/default.py b/lib/sqlalchemy/engine/default.py
index 22fff3312..8647ba385 100644
--- a/lib/sqlalchemy/engine/default.py
+++ b/lib/sqlalchemy/engine/default.py
@@ -307,7 +307,6 @@ class DefaultDialect(base.Dialect):
class DefaultExecutionContext(base.ExecutionContext):
- execution_options = util.frozendict()
isinsert = False
isupdate = False
isdelete = False
@@ -329,12 +328,10 @@ class DefaultExecutionContext(base.ExecutionContext):
self.compiled = compiled = compiled_ddl
self.isddl = True
- if compiled.statement._execution_options:
- self.execution_options = compiled.statement._execution_options
+ self.execution_options = compiled.statement._execution_options
if connection._execution_options:
- self.execution_options = self.execution_options.union(
- connection._execution_options
- )
+ self.execution_options = dict(self.execution_options)
+ self.execution_options.update(connection._execution_options)
if not dialect.supports_unicode_statements:
self.unicode_statement = unicode(compiled)
@@ -366,12 +363,10 @@ class DefaultExecutionContext(base.ExecutionContext):
if not compiled.can_execute:
raise exc.ArgumentError("Not an executable clause: %s" % compiled)
- if compiled.statement._execution_options:
- self.execution_options = compiled.statement._execution_options
+ self.execution_options = compiled.statement._execution_options
if connection._execution_options:
- self.execution_options = self.execution_options.union(
- connection._execution_options
- )
+ self.execution_options = dict(self.execution_options)
+ self.execution_options.update(connection._execution_options)
# compiled clauseelement. process bind params, process table defaults,
# track collections used by ResultProxy to target and process results
@@ -451,9 +446,7 @@ class DefaultExecutionContext(base.ExecutionContext):
self.engine = connection.engine
# plain text statement
- if connection._execution_options:
- self.execution_options = self.execution_options.\
- union(connection._execution_options)
+ self.execution_options = connection._execution_options
if not parameters:
if self.dialect.positional:
@@ -493,9 +486,7 @@ class DefaultExecutionContext(base.ExecutionContext):
self.dialect = dialect
self._connection = self.root_connection = connection
self.engine = connection.engine
- if connection._execution_options:
- self.execution_options = self.execution_options.\
- union(connection._execution_options)
+ self.execution_options = connection._execution_options
self.cursor = self.create_cursor()
return self