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-rw-r--r--lib/sqlalchemy/dialects/sqlite/base.py25
1 files changed, 10 insertions, 15 deletions
diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index f9520affa..10a0d882b 100644
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -441,20 +441,6 @@ class SQLiteIdentifierPreparer(compiler.IdentifierPreparer):
result = self.quote_schema(index.table.schema, index.table.quote_schema) + "." + result
return result
-class SQLiteExecutionContext(default.DefaultExecutionContext):
- def get_result_proxy(self):
- rp = base.ResultProxy(self)
- if rp._metadata:
- # adjust for dotted column names. SQLite
- # in the case of UNION may store col names as
- # "tablename.colname"
- # in cursor.description
- for colname in rp._metadata.keys:
- if "." in colname:
- trunc_col = colname.split(".")[1]
- rp._metadata._set_keymap_synonym(trunc_col, colname)
- return rp
-
class SQLiteDialect(default.DefaultDialect):
name = 'sqlite'
supports_alter = False
@@ -472,7 +458,6 @@ class SQLiteDialect(default.DefaultDialect):
ischema_names = ischema_names
colspecs = colspecs
isolation_level = None
- execution_ctx_cls = SQLiteExecutionContext
supports_cast = True
supports_default_values = True
@@ -540,6 +525,16 @@ class SQLiteDialect(default.DefaultDialect):
else:
return None
+ def _translate_colname(self, colname):
+ # adjust for dotted column names. SQLite
+ # in the case of UNION may store col names as
+ # "tablename.colname"
+ # in cursor.description
+ if "." in colname:
+ return colname.split(".")[1], colname
+ else:
+ return colname, None
+
@reflection.cache
def get_table_names(self, connection, schema=None, **kw):
if schema is not None: