ddl: use = to replace with like when querying complete task_key (#…

…41860) close #41579
pingcap · Mar 2, 2023 · 67979fb · 67979fb
1 parent cfe9703
commit 67979fb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ddl/job_table.go b/ddl/job_table.go
@@ -925,7 +925,7 @@ func GetBackfillJobs(sess *session, tblName, condition string, label string) ([]
 func RemoveBackfillJob(sess *session, isOneEle bool, backfillJob *BackfillJob) error {
 	sql := "delete from mysql.tidb_background_subtask"
 	if !isOneEle {
-		sql += fmt.Sprintf(" where task_key like '%s'", backfillJob.keyString())
+		sql += fmt.Sprintf(" where task_key = '%s'", backfillJob.keyString())
 	} else {
 		sql += fmt.Sprintf(" where task_key like '%s'", backfillJob.PrefixKeyString())
 	}