From ccfc3cf92c0155584dbd52313225890668c582f7 Mon Sep 17 00:00:00 2001
From: t8y2 <1156263951@qq.com>
Date: Sat, 23 May 2026 09:25:53 +0800
Subject: [PATCH] fix(postgres): remove trailing comma in SQL query for table
 comments

---
 crates/dbx-core/src/db/postgres.rs                 |  2 +-
 packages/app-tests/postgresSchemaSqlSource.test.ts | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 packages/app-tests/postgresSchemaSqlSource.test.ts

diff --git a/crates/dbx-core/src/db/postgres.rs b/crates/dbx-core/src/db/postgres.rs
index 7061942b03..957296dc77 100644
--- a/crates/dbx-core/src/db/postgres.rs
+++ b/crates/dbx-core/src/db/postgres.rs
@@ -220,7 +220,7 @@ fn postgres_tables_sql() -> &'static str {
          CASE c.relkind WHEN 'r' THEN 'BASE TABLE' WHEN 'v' THEN 'VIEW' \
            WHEN 'm' THEN 'MATERIALIZED VIEW' WHEN 'f' THEN 'FOREIGN TABLE' \
            WHEN 'p' THEN 'BASE TABLE' END AS table_type, \
-         obj_description(c.oid) AS table_comment, \
+         obj_description(c.oid) AS table_comment \
          FROM pg_catalog.pg_class c \
          JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace \
          WHERE n.nspname = $1 AND c.relkind IN ('r','v','m','f','p') \
diff --git a/packages/app-tests/postgresSchemaSqlSource.test.ts b/packages/app-tests/postgresSchemaSqlSource.test.ts
new file mode 100644
index 0000000000..610df2ac24
--- /dev/null
+++ b/packages/app-tests/postgresSchemaSqlSource.test.ts
@@ -0,0 +1,10 @@
+import assert from "node:assert/strict";
+import { readFileSync } from "node:fs";
+import test from "node:test";
+
+const source = readFileSync("crates/dbx-core/src/db/postgres.rs", "utf8");
+
+test("postgres table list SQL has no trailing comma before FROM", () => {
+  assert.doesNotMatch(source, /AS table_comment,\s*\\\s*FROM pg_catalog\.pg_class/);
+  assert.match(source, /obj_description\(c\.oid\) AS table_comment\s*\\\s*FROM pg_catalog\.pg_class/);
+});