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-rw-r--r--lib/sqlalchemy/dialects/mysql/base.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index bee62b76f..09f8a2a0e 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -1102,6 +1102,24 @@ class MySQLCompiler(compiler.SQLCompiler):
extra_froms, from_hints, **kw):
return None
+ def delete_table_clause(self, delete_stmt, from_table,
+ extra_froms):
+ """If we have extra froms make sure we render any alias as hint."""
+ ashint = False
+ if extra_froms:
+ ashint = True
+ return from_table._compiler_dispatch(
+ self, asfrom=True, iscrud=True, ashint=ashint
+ )
+
+ def delete_extra_from_clause(self, delete_stmt, from_table,
+ extra_froms, from_hints, **kw):
+ """Render the DELETE .. USING clause specific to MySQL."""
+ return "USING " + ', '.join(
+ t._compiler_dispatch(self, asfrom=True,
+ fromhints=from_hints, **kw)
+ for t in [from_table] + extra_froms)
+
class MySQLDDLCompiler(compiler.DDLCompiler):
def get_column_specification(self, column, **kw):