amcheck: Test gin_index_check on a multicolumn index

tvondra · tvondra · commit c89d6b889ce9 · 2025-06-17T14:14:54.000+02:00
Adds a regression test with gin_index_check() on a multicolumn index, to verify it's handled correctly and improve test coverage for code introduced by 14ffaec. Author: Arseniy Mukhin <arseniy.mukhin.dev@gmail.com> Reviewed-by: Andrey M. Borodin <x4mmm@yandex-team.ru> Discussion: https://postgr.es/m/CAE7r3MJ611B9TE=YqBBncewp7-k64VWs+sjk7XF6fJUX77uFBA@mail.gmail.com
diff --git a/contrib/amcheck/expected/check_gin.out b/contrib/amcheck/expected/check_gin.out
@@ -76,3 +76,15 @@ SELECT gin_index_check('gin_check_jsonb_idx');
 
 -- cleanup
 DROP TABLE gin_check_jsonb;
+-- Test GIN multicolumn index
+CREATE TABLE "gin_check_multicolumn"(a text[], b text[]);
+INSERT INTO gin_check_multicolumn (a,b) values ('{a,c,e}','{b,d,f}');
+CREATE INDEX "gin_check_multicolumn_idx" on gin_check_multicolumn USING GIN(a,b);
+SELECT gin_index_check('gin_check_multicolumn_idx');
+ gin_index_check 
+-----------------
+ 
+(1 row)
+
+-- cleanup
+DROP TABLE gin_check_multicolumn;
diff --git a/contrib/amcheck/sql/check_gin.sql b/contrib/amcheck/sql/check_gin.sql
@@ -50,3 +50,13 @@ SELECT gin_index_check('gin_check_jsonb_idx');
 
 -- cleanup
 DROP TABLE gin_check_jsonb;
+
+-- Test GIN multicolumn index
+CREATE TABLE "gin_check_multicolumn"(a text[], b text[]);
+INSERT INTO gin_check_multicolumn (a,b) values ('{a,c,e}','{b,d,f}');
+CREATE INDEX "gin_check_multicolumn_idx" on gin_check_multicolumn USING GIN(a,b);
+
+SELECT gin_index_check('gin_check_multicolumn_idx');
+
+-- cleanup
+DROP TABLE gin_check_multicolumn;
