sync_diff_inspector: fix a index of range panic (#446)

pingcap · Jun 18, 2021 · e476ce1 · e476ce1
1 parent 09e10c7
commit e476ce1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkg/diff/chunk.go b/pkg/diff/chunk.go
@@ -270,7 +270,7 @@ func splitRangeByRandom(db *sql.DB, chunk *ChunkRange, count int, schema string,
 					break
 				}
 				newChunk.update(column.Name.O, "", randomValues[j][i], false, true)
-			} else if i == len(randomValues[0]) {
+			} else if i == len(randomValues[j]) {
 				newChunk.update(column.Name.O, randomValues[j][i-1], "", true, false)
 			} else {
 				newChunk.update(column.Name.O, randomValues[j][i-1], randomValues[j][i], true, true)