diff options
Diffstat (limited to 'mysql-test/main/subselect_sj_jcl6.test')
| -rw-r--r-- | mysql-test/main/subselect_sj_jcl6.test | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/mysql-test/main/subselect_sj_jcl6.test b/mysql-test/main/subselect_sj_jcl6.test new file mode 100644 index 00000000..f4f605c0 --- /dev/null +++ b/mysql-test/main/subselect_sj_jcl6.test @@ -0,0 +1,215 @@ +# +# Run subselect_sj.test with BKA enabled +# +--source include/no_valgrind_without_big.inc +--source include/default_optimizer_switch.inc + +set @save_optimizer_switch_jcl6=@@optimizer_switch; +set @@optimizer_switch='optimize_join_buffer_size=on'; +set @@optimizer_switch='semijoin=on,firstmatch=on,loosescan=on'; +set @@optimizer_switch='semijoin_with_cache=on'; +set @@optimizer_switch='outer_join_with_cache=on'; +set @@optimizer_switch='join_cache_hashed=off'; +set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on'; +set @save_join_cache_level=@@join_cache_level; +set join_cache_level=6; + +set @optimizer_switch_for_subselect_sj_test=@@optimizer_switch; +set @join_cache_level_for_subselect_sj_test=@@join_cache_level; + +--source subselect_sj.test + +--echo # +--echo # BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off +--echo # +CREATE TABLE t0 (a INT); +INSERT INTO t0 VALUES (0),(1),(2),(3),(4); +CREATE TABLE t1 (a INT, b INT, KEY(a)); +INSERT INTO t1 SELECT a, a from t0; +INSERT INTO t1 SELECT a+5, a from t0; +INSERT INTO t1 SELECT a+10, a from t0; +CREATE TABLE t2 (a INT, b INT, PRIMARY KEY(a)); +INSERT INTO t2 SELECT * FROM t1; +UPDATE t1 SET a=3, b=11 WHERE a=4; +UPDATE t2 SET b=11 WHERE a=3; + +set @save_optimizer_switch=@@optimizer_switch; +set optimizer_switch='firstmatch=off'; + +--echo The following should use a join order of t0,t1,t2, with DuplicateElimination: +explain +SELECT * FROM t0 WHERE t0.a IN + (SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b); + +SELECT * FROM t0 WHERE t0.a IN + (SELECT t1.a FROM t1, t2 WHERE t2.a=t0.a AND t1.b=t2.b); + +set optimizer_switch=@save_optimizer_switch; +drop table t0, t1, t2; + +--echo # +--echo # Bug #891995: IN subquery with join_cache_level >= 3 +--echo # + +CREATE TABLE t1 (a varchar(1)); +INSERT INTO t1 VALUES ('w'),('q'); + +CREATE TABLE t2 (a int NOT NULL, b time, PRIMARY KEY (a)); +INSERT INTO t2 VALUES + (2,'18:56:33'), (5,'19:11:10'), (3,'18:56:33'), (7,'19:11:10'); + +CREATE TABLE t3 ( + a int NOT NULL, b int, c int, d varchar(1), PRIMARY KEY (a), KEY (d,c) +); +INSERT INTO t3 VALUES + (25,158,10,'f'), (26,5,2,'v'), (27,163,103,'f'), (28,2,3,'q'), (29,8,6,'y'); + +set @save_optimizer_switch=@@optimizer_switch; +SET SESSION optimizer_switch='semijoin=on'; + +SET SESSION optimizer_switch='join_cache_hashed=on'; +SET SESSION join_cache_level=3; +EXPLAIN +SELECT * FROM t1, t2 + WHERE t2.a IN (SELECT b FROM t3 WHERE t3.d <= t1.a); +SELECT * FROM t1, t2 + WHERE t2.a IN (SELECT b FROM t3 WHERE t3.d <= t1.a); + + +SET SESSION optimizer_switch='mrr=on'; +SET SESSION join_cache_level=6; +EXPLAIN +SELECT * FROM t1, t2 + WHERE t2.a IN (SELECT b FROM t3 WHERE t3.d <= t1.a); +SELECT * FROM t1, t2 + WHERE t2.a IN (SELECT b FROM t3 WHERE t3.d <= t1.a); + +set optimizer_switch=@save_optimizer_switch; +set join_cache_level=default; + +DROP TABLE t1,t2,t3; + +--echo # +--echo # BUG#912513: Wrong result (missing rows) with join_cache_hashed+materialization+semijoin=on +--echo # +set @os_912513= @@optimizer_switch; +set @jcl_912513= @@join_cache_level; +SET optimizer_switch = 'semijoin=on,materialization=on,join_cache_hashed=on'; +SET join_cache_level = 3; + +CREATE TABLE t1 ( a INT, b INT, KEY(a) ); +INSERT INTO t1 VALUES + (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7); + +CREATE TABLE t2 ( c INT ); +INSERT INTO t2 VALUES (1),(2),(3),(4),(5),(6),(7); + +SELECT alias1.* FROM + t1 AS alias1 INNER JOIN t1 AS alias2 + ON alias2.a = alias1.b +WHERE alias1.b IN ( + SELECT a FROM t1, t2 + ); + +DROP table t1, t2; +set @@optimizer_switch= @os_912513; +set @@join_cache_level= @jcl_912513; + +--echo # End + +--echo # +--echo # BUG#934342: outer join + semijoin materialization +--echo # + join_cache_level > 2 +--echo # + +CREATE TABLE t1 (a varchar(1), b varchar(1), INDEX idx_a(a) ); +INSERT INTO t1 VALUES ('v','v'), ('w','w'), ('t','t'); + +CREATE TABLE t2 (c varchar(1), INDEX idx_c(c) ); +INSERT INTO t2 VALUES ('v'), ('v'), ('s'), ('j'); + +CREATE TABLE t3 (c varchar(1), d varchar(1), INDEX idx_c(c) ); +INSERT INTO t3 VALUES ('v','v'), ('v','v'), ('s','s'), ('j','j'); +INSERT INTO t3 VALUES ('m','m'), ('d','d'), ('k','k'), ('m','m'); + +set @tmp_otimizer_switch= @@optimizer_switch; +set @tmp_join_cache_level=@@join_cache_level; +set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on'; + +set join_cache_level=0; + +EXPLAIN +SELECT * FROM t1 LEFT JOIN t2 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); +SELECT * FROM t1 LEFT JOIN t2 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); + +EXPLAIN +SELECT * FROM t1 LEFT JOIN t3 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); +SELECT * FROM t1 LEFT JOIN t3 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); + +set join_cache_level=6; + +EXPLAIN +SELECT * FROM t1 LEFT JOIN t2 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); +SELECT * FROM t1 LEFT JOIN t2 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); + +EXPLAIN +SELECT * FROM t1 LEFT JOIN t3 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); +SELECT * FROM t1 LEFT JOIN t3 ON (c = b) + WHERE (a, b) IN (SELECT a, b FROM t1 t); + +set optimizer_switch=@tmp_optimizer_switch; +set join_cache_level=@tmp_join_cache_level; + +DROP TABLE t1,t2,t3; + +--echo # End + +--echo # +--echo # BUG#934348: GROUP BY with HAVING + semijoin materialization +--echo # + join_cache_level > 2 +--echo # + +CREATE TABLE t1 (a varchar(1), INDEX idx_a(a)); +INSERT INTO t1 VALUES ('c'), ('v'), ('c'); + +CREATE TABLE t2 (b varchar(1)); +INSERT INTO t2 VALUES ('v'), ('c'); + +set @tmp_otimizer_switch= @@optimizer_switch; +set @tmp_join_cache_level=@@join_cache_level; +set optimizer_switch = 'materialization=on,semijoin=on,join_cache_hashed=on'; + +set join_cache_level=0; + +EXPLAIN +SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a) + GROUP BY a HAVING a != 'z'; +SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a) + GROUP BY a HAVING a != 'z'; + +set join_cache_level=6; + +EXPLAIN +SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a) + GROUP BY a HAVING a != 'z'; +SELECT a FROM t1 t WHERE a IN (SELECT b FROM t1, t2 WHERE b = a) + GROUP BY a HAVING a != 'z'; + +set optimizer_switch=@tmp_optimizer_switch; +set join_cache_level=@tmp_join_cache_level; + +DROP TABLE t1,t2; + +--echo # End + +set join_cache_level=@save_join_cache_level; +set @@optimizer_switch=@save_optimizer_switch_jcl6; +set @optimizer_switch_for_subselect_sj_test=NULL; +set @join_cache_level_subselect_sj_test=NULL; |