SQL/postgres.initial.sql

@@ -1,4 +1,13 @@
-CREATE TABLE ident_switch
+-- Patched version of SQL/postgres.initial.sql for gecka/ident-switch.
+-- Commit this into your Gitea fork at the same path, replacing the
+-- upstream file. Only two changes from upstream:
+--   1. CREATE TABLE / CREATE INDEX -> IF NOT EXISTS
+--   2. INSERT INTO system -> upsert via ON CONFLICT
+-- This makes the script safe to re-run against an already-migrated
+-- database, which happens on every container restart unless
+-- /var/www/html is persisted (composer re-installs "fresh" each time).
+
+CREATE TABLE IF NOT EXISTS ident_switch
 (
 	id
 		serial
@@ -82,8 +91,9 @@ CREATE TABLE ident_switch
 	UNIQUE (user_id, label)
 );
 
-CREATE INDEX IX_ident_switch_user_id ON ident_switch(user_id);
-CREATE INDEX IX_ident_switch_iid ON ident_switch(iid);
-CREATE INDEX IX_ident_switch_parent_id ON ident_switch(parent_id);
+CREATE INDEX IF NOT EXISTS IX_ident_switch_user_id ON ident_switch(user_id);
+CREATE INDEX IF NOT EXISTS IX_ident_switch_iid ON ident_switch(iid);
+CREATE INDEX IF NOT EXISTS IX_ident_switch_parent_id ON ident_switch(parent_id);
 
-INSERT INTO system (name, value) VALUES ('ident_switch-version', '2026021000');
+INSERT INTO system (name, value) VALUES ('ident_switch-version', '2026021000')
+ON CONFLICT (name) DO UPDATE SET value = EXCLUDED.value;