From 8f6244092d84505cd4002c8579fca57f782a3305 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Tue, 11 Jan 2022 10:32:20 +0100
Subject: [PATCH] [jOOQ/jOOQ#12801] GroupConcat renders string_agg separator
 argument within wrong parentheses

---
 jOOQ/src/main/java/org/jooq/impl/ListAgg.java | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ListAgg.java b/jOOQ/src/main/java/org/jooq/impl/ListAgg.java
index 37dc051fea..d5170fa689 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ListAgg.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ListAgg.java
@@ -202,13 +202,14 @@ final class ListAgg extends AbstractAggregateFunction<String> implements UNotYet
         ctx.sql('(');
 
         // The explicit cast is needed in Postgres
-        QueryPartListView<Field<?>> args =  wrap(
-            castIfNeeded((Field<?>) arguments.get(0), String.class),
-            arguments.size() > 1 ? arguments.get(1) : inline("")
-        );
-
+        QueryPartListView<Field<?>> args =  wrap(castIfNeeded((Field<?>) arguments.get(0), String.class));
         acceptArguments1(ctx, args);
-
+        
+        if (arguments.size() > 1)
+            ctx.sql(", ").visit(arguments.get(1));
+        else
+            ctx.sql(", ").visit(inline(""));
+