From c22f5c22a46b62d3d46343215b1020541fb6f782 Mon Sep 17 00:00:00 2001
From: Benjamin Dauvergne <bdauvergne@entrouvert.com>
Date: Sat, 30 Mar 2019 20:19:34 +0100
Subject: [PATCH] feeder: prevent reseting sequences to 0 (#31667)

---
 wcs_olap/feeder.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcs_olap/feeder.py b/wcs_olap/feeder.py
index 23181fc..d538f3b 100644
--- a/wcs_olap/feeder.py
+++ b/wcs_olap/feeder.py
@@ -361,7 +361,7 @@ CREATE TABLE public.dates AS (SELECT
             )
             # Update sequence
             self.ex("""SELECT setval(pg_get_serial_sequence('{name}', 'id'),
-            (SELECT MAX(id) FROM {name}))""", ctx={'name': name})
+            (SELECT GREATEST(1, MAX(id)) FROM {name}))""", ctx={'name': name})
 
     def create_labeled_table(self, name, labels, comment=None):
         self.create_table(
-- 
2.20.1