Remove code deprecated before version 1.1

- Remove deprecated method ``get_primary_keys` in the :class:`.Dialect` and
  :class:`.Inspector` classes.
- Remove deprecated event ``dbapi_error`` and the method ``ConnectionEvents.dbapi_error`.
- Remove support for deprecated engine URLs of the form ``postgres://``.
- Remove deprecated dialect ``mysql+gaerdbms``.
- Remove deprecated parameter ``quoting`` from :class:`.mysql.ENUM`
  and :class:`.mysql.SET` in the ``mysql`` dialect.
- Remove deprecated function ``comparable_property``. and function
  ``comparable_using`` in the declarative extension.
- Remove deprecated function ``compile_mappers``.
- Remove deprecated method ``collection.linker``.
- Remove deprecated method ``Session.prune`` and parameter ``Session.weak_identity_map``.
  This change also removes the class ``StrongInstanceDict``.
- Remove deprecated parameter ``mapper.order_by``.
- Remove deprecated parameter ``Session._enable_transaction_accounting`.
- Remove deprecated parameter ``Session.is_modified.passive``.
- Remove deprecated class ``Binary``. Please use :class:`.LargeBinary`.
- Remove deprecated methods ``Compiled.compile``, ``ClauseElement.__and__`` and
  ``ClauseElement.__or__`` and attribute ``Over.func``.
- Remove deprecated ``FromClause.count`` method.
- Remove deprecated parameter ``Table.useexisting``.
- Remove deprecated parameters ``text.bindparams`` and ``text.typemap``.

- Remove boolean support for the ``passive`` parameter in ``get_history``.
- Remove deprecated ``adapt_operator`` in ``UserDefinedType.Comparator``.

Fixes: #4643
Change-Id: Idcd390c77bf7b0e9957907716993bdaa3f1a1763

1 files changed, 0 insertions, 13 deletions

diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py
index 34a4f04a9..1a5562a9b 100644
--- a/lib/sqlalchemy/engine/base.py
+++ b/lib/sqlalchemy/engine/base.py
@@ -1449,9 +1449,6 @@ class Connection(Connectable):
     ):
         exc_info = sys.exc_info()
 
-        if context and context.exception is None:
-            context.exception = e
-
         is_exit_exception = not isinstance(e, Exception)
 
         if not self._is_disconnect:
@@ -1465,9 +1462,6 @@ class Connection(Connectable):
                 )
             ) or (is_exit_exception and not self.closed)
 
-            if context:
-                context.is_disconnect = self._is_disconnect
-
         invalidate_pool_on_disconnect = not is_exit_exception
 
         if self._reentrant_error:
@@ -1519,13 +1513,6 @@ class Connection(Connectable):
             ) and not self._execution_options.get(
                 "skip_user_error_events", False
             ):
-                # legacy dbapi_error event
-                if should_wrap and context:
-                    self.dispatch.dbapi_error(
-                        self, cursor, statement, parameters, context, e
-                    )
-
-                # new handle_error event
                 ctx = ExceptionContextImpl(
                     e,
                     sqlalchemy_exception,