v1.0.176: FOR UPDATE fix — ORDER BY LIMIT 1 вместо MAX()

2026-06-24 18:37:48 +04:00
parent d44f8f3e6c
commit 3f58f6adcd
1 changed files with 3 additions and 2 deletions
@@ -17,10 +17,11 @@ def get_next_seq(contract_id):
        conn.autocommit = False
        with conn.cursor() as cur:
            cur.execute(
-                "SELECT COALESCE(MAX(seq), 0) + 1 FROM spec_events WHERE contract_id = %s FOR UPDATE",
+                "SELECT seq FROM spec_events WHERE contract_id = %s ORDER BY seq DESC LIMIT 1 FOR UPDATE",
                (contract_id,),
            )
-            seq = cur.fetchone()[0]
+            row = cur.fetchone()
+            seq = (row[0] + 1) if row else 1
        conn.commit()
        return seq
    except Exception: