From: Joshua Morris <joshuajohnmorris@gmail.com>
Date: Sun, 4 Jun 2023 10:52:32 +0000 (+1000)
Subject: Modify implementation of mysql `string_agg` to avoid discarding arguments
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8ec57e1ff4d38cd1e4fd14a20575f8d275331a3;p=thirdparty%2Fsqlalchemy%2Fsqlalchemy.git

Modify implementation of mysql `string_agg` to avoid discarding arguments
---

diff --git a/lib/sqlalchemy/dialects/mysql/base.py b/lib/sqlalchemy/dialects/mysql/base.py
index 4712c9b402..8c77f1c585 100644
--- a/lib/sqlalchemy/dialects/mysql/base.py
+++ b/lib/sqlalchemy/dialects/mysql/base.py
@@ -1210,8 +1210,11 @@ class MySQLCompiler(compiler.SQLCompiler):
 
     def visit_string_agg_func(self, fn, **kw):
         if len(fn.clauses) > 1:
+            clause = ", ".join(
+                elem._compiler_dispatch(self, **kw) for elem in fn.clauses[:-1]
+            )
             return "group_concat(%s SEPARATOR %s)" % (
-                fn.clauses[0]._compiler_dispatch(self, **kw),
+                clause,
                 fn.clauses[-1]._compiler_dispatch(self, **kw),
             )
         else: