From: huuyafwww <huuya1234fwww@gmail.com>
Date: Fri, 4 Oct 2024 19:44:11 +0000 (+0900)
Subject: fix: Directly write the process enclosed in parentheses in get_column_specification
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b0da3cce385c0946726c6bce7163f0eef66772c;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

fix: Directly write the process enclosed in parentheses in get_column_specification
---

diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index e28892ddf0..8b96c26459 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -1850,14 +1850,12 @@ class MySQLDDLCompiler(compiler.DDLCompiler):
         else:
             default = self.get_column_default_string(column)
             if default is not None:
-                colspec.append("DEFAULT " + default)
+                if isinstance(column.server_default.arg, functions.FunctionElement):
+                    colspec.append(f"DEFAULT ({default})")
+                else:
+                    colspec.append("DEFAULT " + default)
         return " ".join(colspec)
 
-    def get_column_default_string(self, column):
-        if hasattr(column.server_default, 'arg') and isinstance(column.server_default.arg, functions.FunctionElement):
-            return f'({super().get_column_default_string(column)})'
-        return super().get_column_default_string(column)
-
     def post_create_table(self, table):
         """Build table-level CREATE options like ENGINE and COLLATE."""