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authorMike Bayer <mike_mp@zzzcomputing.com>2020-04-07 14:15:43 -0400
committerMike Bayer <mike_mp@zzzcomputing.com>2020-04-16 13:35:55 -0400
commit2f617f56f2acdce00b88f746c403cf5ed66d4d27 (patch)
tree0962f2c43c1a361135ecdab933167fa0963ae58a /lib/sqlalchemy/sql/ddl.py
parentbd303b10e2bf69169f07447c7272fc71ac931f10 (diff)
downloadsqlalchemy-2f617f56f2acdce00b88f746c403cf5ed66d4d27.tar.gz
Create initial 2.0 engine implementation
Implemented the SQLAlchemy 2 :func:`.future.create_engine` function which is used for forwards compatibility with SQLAlchemy 2. This engine features always-transactional behavior with autobegin. Allow execution options per statement execution. This includes that the before_execute() and after_execute() events now accept an additional dictionary with these options, empty if not passed; a legacy event decorator is added for backwards compatibility which now also emits a deprecation warning. Add some basic tests for execution, transactions, and the new result object. Build out on a new testing fixture that swaps in the future engine completely to start with. Change-Id: I70e7338bb3f0ce22d2f702537d94bb249bd9fb0a Fixes: #4644
Diffstat (limited to 'lib/sqlalchemy/sql/ddl.py')
-rw-r--r--lib/sqlalchemy/sql/ddl.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/ddl.py b/lib/sqlalchemy/sql/ddl.py
index 4c8250e98..51526173f 100644
--- a/lib/sqlalchemy/sql/ddl.py
+++ b/lib/sqlalchemy/sql/ddl.py
@@ -68,8 +68,12 @@ class DDLElement(roles.DDLRole, Executable, _DDLCompiles):
dialect = None
callable_ = None
- def _execute_on_connection(self, connection, multiparams, params):
- return connection._execute_ddl(self, multiparams, params)
+ def _execute_on_connection(
+ self, connection, multiparams, params, execution_options
+ ):
+ return connection._execute_ddl(
+ self, multiparams, params, execution_options
+ )
def execute(self, bind=None, target=None):
"""Execute this DDL immediately.