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Code Issues 32 Releases Wiki Activity

Refs #23576 -- Disabled MySQL multi-alias deletion path on MariaDB >= 10.3.2.

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Simon Charette 2019-10-30 22:17:26 -04:00
parent 632d7bbd3d
commit 5b83bae031
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django/db/backends/mysql/compiler.py
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@ -15,7 +15,7 @@ class SQLInsertCompiler(compiler.SQLInsertCompiler, SQLCompiler):
class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler): class SQLDeleteCompiler(compiler.SQLDeleteCompiler, SQLCompiler):
def as_sql(self): def as_sql(self):
if self.single_alias: if self.connection.features.update_can_self_select or self.single_alias:
return super().as_sql() return super().as_sql()
# MySQL and MariaDB < 10.3.2 doesn't support deletion with a subquery # MySQL and MariaDB < 10.3.2 doesn't support deletion with a subquery
# which is what the default implementation of SQLDeleteCompiler uses # which is what the default implementation of SQLDeleteCompiler uses