.

Signed-off-by: AilinKid <314806019@qq.com>

Author: AilinKid

pkg/planner/core/issuetest/planner_issue_test.go

@@ -164,41 +164,6 @@ func TestPlannerIssueRegressions(t *testing.T) {
 				"      └─TableRowIDScan(Probe) cop[tikv] table:t3 keep order:false, stats:pseudo"))
 	}
 
-	// ambiguous-expression-index-generated-column-substitution
-	{
-		tk := prepareSharedTestKit(t)
-		tk.MustExec(`create table space (
-  workspace_id binary(16) not null,
-  tenant_id varchar(100) not null,
-  id binary(16) not null,
-  name varchar(200) not null,
-  description varchar(500),
-  created_at datetime(6) not null,
-  updated_at datetime(6),
-  created_by varchar(128) not null,
-  updated_by varchar(128),
-  status enum('CURRENT','ARCHIVED','TRASHED') not null,
-  is_default boolean not null default false,
-  primary key (workspace_id, id)
-)`)
-		tk.MustExec("create index space_default_idx on space(is_default)")
-		tk.MustExec("create index space_workspace_id_lower_name_id_idx on space(workspace_id, (lower(name)), id)")
-		tk.MustExec("create index space_workspace_id_status_id_idx on space(workspace_id, status, id)")
-		tk.MustExec("create index space_workspace_id_status_lower_name_id_idx on space(workspace_id, status, (lower(name)), id)")
-
-		sql := `SELECT /*+ USE_INDEX(space, space_workspace_id_lower_name_id_idx, space_workspace_id_status_lower_name_id_idx) */
-workspace_id, tenant_id, id, name, description, created_at, updated_at, created_by, updated_by, status, is_default
-FROM space
-WHERE workspace_id = x'b1c7f6cfae0f4d4791b5cf04f6a3beeb'
-  AND LOWER(name) LIKE '%backend%'
-  AND status = 'CURRENT'
-ORDER BY LOWER(name), id
-LIMIT 3`
-		plan := fmt.Sprint(tk.MustQuery("explain format='plan_tree' " + sql).Rows())
-		require.Contains(t, plan, "IndexLookUp")
-		require.Contains(t, plan, "index:space_workspace_id_status_lower_name_id_idx")
-	}
-
 	// null-safe-join-with-union
 	{
 		tk := prepareSharedTestKit(t)