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Co-authored-by: Aolin <[email protected]>
pingcap · Jul 28, 2022 · 703124d · 703124d
1 parent cb11ea3
commit 703124d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/optimizer-hints.md b/optimizer-hints.md
@@ -137,7 +137,7 @@ SELECT /*+ HASH_JOIN(t1, t2) */ * FROM t1，t2 WHERE t1.id = t2.id;
 
 ```sql
 -- 不使用 SEMI_JOIN_REWRITE() 进行改写
-EXPLAIN SELECT * FROM t WHERE EXISTS (SELECT 1 from t1 where t1.a=t.a);
+EXPLAIN SELECT * FROM t WHERE EXISTS (SELECT 1 FROM t1 WHERE t1.a = t.a);
 ```
 
 ```sql
@@ -156,7 +156,7 @@ EXPLAIN SELECT * FROM t WHERE EXISTS (SELECT 1 from t1 where t1.a=t.a);
 
 ```sql
 -- 使用 SEMI_JOIN_REWRITE() 进行改写
-EXPLAIN SELECT * FROM t WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 from t1 where t1.a=t.a);
+EXPLAIN SELECT * FROM t WHERE EXISTS (SELECT /*+ SEMI_JOIN_REWRITE() */ 1 FROM t1 WHERE t1.a = t.a);
 ```
 
 ```sql