diff options
Diffstat (limited to 'mysql-test/r/derived_opt.result')
| -rw-r--r-- | mysql-test/r/derived_opt.result | 154 |
1 files changed, 153 insertions, 1 deletions
diff --git a/mysql-test/r/derived_opt.result b/mysql-test/r/derived_opt.result index 22e2ab8d676..a7adf8f1ba9 100644 --- a/mysql-test/r/derived_opt.result +++ b/mysql-test/r/derived_opt.result @@ -1,4 +1,5 @@ -drop table if exists t1,t2,t3; +drop table if exists t0,t1,t2,t3; +drop database if exists test1; set @exit_optimizer_switch=@@optimizer_switch; set optimizer_switch='derived_merge=on,derived_with_keys=on'; set @save_optimizer_switch=@@optimizer_switch; @@ -352,4 +353,155 @@ pk pk 72 72 80 80 drop table t1, t2, t3, t4; +# +# MDEV-6888: Query spends a long time in best_extension_by_limited_search with mrr enabled +# +create database test1; +use test1; +set @tmp_jcl= @@join_cache_level; +set @tmp_os= @@optimizer_switch; +set join_cache_level=8; +set optimizer_switch='mrr=on,mrr_sort_keys=on'; +CREATE TABLE t0 ( +f1 bigint(20) DEFAULT NULL, +f2 char(50) DEFAULT NULL +) ENGINE=MEMORY DEFAULT CHARSET=latin1; +INSERT INTO t0 VALUES (NULL,'numeric column is NULL'),(0,NULL),(5,'five'),(1,'one'),(2,'two'); +CREATE TABLE t1 ( +f1 decimal(64,30) DEFAULT NULL, +f2 varchar(50) DEFAULT NULL +) ENGINE=MEMORY DEFAULT CHARSET=latin1; +INSERT INTO t1 VALUES +(NULL,'numeric column is NULL'), +(0.000000000000000000000000000000,NULL), +(5.000000000000000000000000000000,'five'), +(1.000000000000000000000000000000,'one'), +(3.000000000000000000000000000000,'three'); +CREATE TABLE t2 ( +f1 double DEFAULT NULL, +f2 varbinary(50) DEFAULT NULL +) ENGINE=MEMORY DEFAULT CHARSET=latin1; +INSERT INTO t2 VALUES (NULL,'numeric column is NULL'),(0,NULL),(5,'five'),(2,'two'),(3,'three'); +create VIEW v0 AS select f1,f2 from t1 ; +create VIEW v1 AS select tab1_v1.f1,tab1_v1.f2 from t1 tab1_v1 join v0 tab2 on tab1_v1.f1 = tab2.f1 and tab1_v1.f2 = tab2.f2; +create VIEW v2 AS select tab1_v2.f1,tab1_v2.f2 from t2 tab1_v2 join v1 tab2 on tab1_v2.f1 = tab2.f1 and tab1_v2.f2 = tab2.f2; +create VIEW v3 AS select tab1_v3.f1,tab1_v3.f2 from t0 tab1_v3 join v2 tab2 on tab1_v3.f1 = tab2.f1 and tab1_v3.f2 = tab2.f2; +create VIEW v4 AS select tab1_v4.f1,tab1_v4.f2 from t1 tab1_v4 join v3 tab2 on tab1_v4.f1 = tab2.f1 and tab1_v4.f2 = tab2.f2; +create VIEW v5 AS select tab1_v5.f1,tab1_v5.f2 from t2 tab1_v5 join v4 tab2 on tab1_v5.f1 = tab2.f1 and tab1_v5.f2 = tab2.f2; +create VIEW v6 AS select tab1_v6.f1,tab1_v6.f2 from t0 tab1_v6 join v5 tab2 on tab1_v6.f1 = tab2.f1 and tab1_v6.f2 = tab2.f2; +create VIEW v7 AS select tab1_v7.f1,tab1_v7.f2 from t1 tab1_v7 join v6 tab2 on tab1_v7.f1 = tab2.f1 and tab1_v7.f2 = tab2.f2; +create VIEW v8 AS select tab1_v8.f1,tab1_v8.f2 from t2 tab1_v8 join v7 tab2 on tab1_v8.f1 = tab2.f1 and tab1_v8.f2 = tab2.f2; +create VIEW v9 AS select tab1_v9.f1,tab1_v9.f2 from t0 tab1_v9 join v8 tab2 on tab1_v9.f1 = tab2.f1 and tab1_v9.f2 = tab2.f2; +create VIEW v10 AS select tab1_v10.f1,tab1_v10.f2 from t1 tab1_v10 join v9 tab2 on tab1_v10.f1 = tab2.f1 and tab1_v10.f2 = tab2.f2; +create VIEW v11 AS select tab1_v11.f1,tab1_v11.f2 from t2 tab1_v11 join v10 tab2 on tab1_v11.f1 = tab2.f1 and tab1_v11.f2 = tab2.f2; +create VIEW v12 AS select tab1_v12.f1,tab1_v12.f2 from t0 tab1_v12 join v11 tab2 on tab1_v12.f1 = tab2.f1 and tab1_v12.f2 = tab2.f2; +create VIEW v13 AS select tab1_v13.f1,tab1_v13.f2 from t1 tab1_v13 join v12 tab2 on tab1_v13.f1 = tab2.f1 and tab1_v13.f2 = tab2.f2; +create VIEW v14 AS select tab1_v14.f1,tab1_v14.f2 from t2 tab1_v14 join v13 tab2 on tab1_v14.f1 = tab2.f1 and tab1_v14.f2 = tab2.f2; +create VIEW v15 AS select tab1_v15.f1,tab1_v15.f2 from t0 tab1_v15 join v14 tab2 on tab1_v15.f1 = tab2.f1 and tab1_v15.f2 = tab2.f2; +create VIEW v16 AS select tab1_v16.f1,tab1_v16.f2 from t1 tab1_v16 join v15 tab2 on tab1_v16.f1 = tab2.f1 and tab1_v16.f2 = tab2.f2; +create VIEW v17 AS select tab1_v17.f1,tab1_v17.f2 from t2 tab1_v17 join v16 tab2 on tab1_v17.f1 = tab2.f1 and tab1_v17.f2 = tab2.f2; +create VIEW v18 AS select tab1_v18.f1,tab1_v18.f2 from t0 tab1_v18 join v17 tab2 on tab1_v18.f1 = tab2.f1 and tab1_v18.f2 = tab2.f2; +create VIEW v19 AS select tab1_v19.f1,tab1_v19.f2 from t1 tab1_v19 join v18 tab2 on tab1_v19.f1 = tab2.f1 and tab1_v19.f2 = tab2.f2; +create VIEW v20 AS select tab1_v20.f1,tab1_v20.f2 from t2 tab1_v20 join v19 tab2 on tab1_v20.f1 = tab2.f1 and tab1_v20.f2 = tab2.f2; +create VIEW v21 AS select tab1_v21.f1,tab1_v21.f2 from t0 tab1_v21 join v20 tab2 on tab1_v21.f1 = tab2.f1 and tab1_v21.f2 = tab2.f2; +create VIEW v22 AS select tab1_v22.f1,tab1_v22.f2 from t1 tab1_v22 join v21 tab2 on tab1_v22.f1 = tab2.f1 and tab1_v22.f2 = tab2.f2; +create VIEW v23 AS select tab1_v23.f1,tab1_v23.f2 from t2 tab1_v23 join v22 tab2 on tab1_v23.f1 = tab2.f1 and tab1_v23.f2 = tab2.f2; +create VIEW v24 AS select tab1_v24.f1,tab1_v24.f2 from t0 tab1_v24 join v23 tab2 on tab1_v24.f1 = tab2.f1 and tab1_v24.f2 = tab2.f2; +create VIEW v25 AS select tab1_v25.f1,tab1_v25.f2 from t1 tab1_v25 join v24 tab2 on tab1_v25.f1 = tab2.f1 and tab1_v25.f2 = tab2.f2; +create VIEW v26 AS select tab1_v26.f1,tab1_v26.f2 from t2 tab1_v26 join v25 tab2 on tab1_v26.f1 = tab2.f1 and tab1_v26.f2 = tab2.f2; +create VIEW v27 AS select tab1_v27.f1,tab1_v27.f2 from t0 tab1_v27 join v26 tab2 on tab1_v27.f1 = tab2.f1 and tab1_v27.f2 = tab2.f2; +EXPLAIN SELECT CAST(f1 AS SIGNED INTEGER) AS f1, CAST(f2 AS CHAR) AS f2 FROM v27; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE tab1_v27 ALL NULL NULL NULL NULL 5 Using where +1 SIMPLE tab1_v26 hash_ALL NULL #hash#$hj 63 test1.tab1_v27.f1,test1.tab1_v27.f2 5 Using where; Using join buffer (flat, BNLH join) +1 SIMPLE tab1_v25 hash_ALL NULL #hash#$hj 31 test1.tab1_v26.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v24 hash_ALL NULL #hash#$hj 60 test1.tab1_v25.f1,test1.tab1_v25.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v23 hash_ALL NULL #hash#$hj 63 test1.tab1_v24.f1,test1.tab1_v24.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v22 hash_ALL NULL #hash#$hj 31 test1.tab1_v23.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v21 hash_ALL NULL #hash#$hj 60 test1.tab1_v22.f1,test1.tab1_v22.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v20 hash_ALL NULL #hash#$hj 63 test1.tab1_v21.f1,test1.tab1_v21.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v19 hash_ALL NULL #hash#$hj 31 test1.tab1_v20.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v18 hash_ALL NULL #hash#$hj 60 test1.tab1_v19.f1,test1.tab1_v19.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v17 hash_ALL NULL #hash#$hj 63 test1.tab1_v18.f1,test1.tab1_v18.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v16 hash_ALL NULL #hash#$hj 31 test1.tab1_v17.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v15 hash_ALL NULL #hash#$hj 60 test1.tab1_v16.f1,test1.tab1_v16.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v14 hash_ALL NULL #hash#$hj 63 test1.tab1_v15.f1,test1.tab1_v15.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v13 hash_ALL NULL #hash#$hj 31 test1.tab1_v14.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v12 hash_ALL NULL #hash#$hj 60 test1.tab1_v13.f1,test1.tab1_v13.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v11 hash_ALL NULL #hash#$hj 63 test1.tab1_v12.f1,test1.tab1_v12.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v10 hash_ALL NULL #hash#$hj 31 test1.tab1_v11.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v9 hash_ALL NULL #hash#$hj 60 test1.tab1_v10.f1,test1.tab1_v10.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v8 hash_ALL NULL #hash#$hj 63 test1.tab1_v9.f1,test1.tab1_v9.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v7 hash_ALL NULL #hash#$hj 31 test1.tab1_v8.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v6 hash_ALL NULL #hash#$hj 60 test1.tab1_v7.f1,test1.tab1_v7.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v5 hash_ALL NULL #hash#$hj 63 test1.tab1_v6.f1,test1.tab1_v6.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v4 hash_ALL NULL #hash#$hj 31 test1.tab1_v5.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v3 hash_ALL NULL #hash#$hj 60 test1.tab1_v4.f1,test1.tab1_v4.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v2 hash_ALL NULL #hash#$hj 63 test1.tab1_v3.f1,test1.tab1_v3.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v1 hash_ALL NULL #hash#$hj 31 test1.tab1_v2.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE t1 hash_ALL NULL #hash#$hj 85 test1.tab1_v1.f1,test1.tab1_v1.f2 5 Using where; Using join buffer (incremental, BNLH join) +# This used to hang forever: +EXPLAIN SELECT CAST(f1 AS SIGNED INTEGER) AS f1, CAST(f2 AS CHAR) AS f2 FROM v27; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE tab1_v27 ALL NULL NULL NULL NULL 5 Using where +1 SIMPLE tab1_v26 hash_ALL NULL #hash#$hj 63 test1.tab1_v27.f1,test1.tab1_v27.f2 5 Using where; Using join buffer (flat, BNLH join) +1 SIMPLE tab1_v25 hash_ALL NULL #hash#$hj 31 test1.tab1_v26.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v24 hash_ALL NULL #hash#$hj 60 test1.tab1_v25.f1,test1.tab1_v25.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v23 hash_ALL NULL #hash#$hj 63 test1.tab1_v24.f1,test1.tab1_v24.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v22 hash_ALL NULL #hash#$hj 31 test1.tab1_v23.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v21 hash_ALL NULL #hash#$hj 60 test1.tab1_v22.f1,test1.tab1_v22.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v20 hash_ALL NULL #hash#$hj 63 test1.tab1_v21.f1,test1.tab1_v21.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v19 hash_ALL NULL #hash#$hj 31 test1.tab1_v20.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v18 hash_ALL NULL #hash#$hj 60 test1.tab1_v19.f1,test1.tab1_v19.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v17 hash_ALL NULL #hash#$hj 63 test1.tab1_v18.f1,test1.tab1_v18.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v16 hash_ALL NULL #hash#$hj 31 test1.tab1_v17.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v15 hash_ALL NULL #hash#$hj 60 test1.tab1_v16.f1,test1.tab1_v16.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v14 hash_ALL NULL #hash#$hj 63 test1.tab1_v15.f1,test1.tab1_v15.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v13 hash_ALL NULL #hash#$hj 31 test1.tab1_v14.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v12 hash_ALL NULL #hash#$hj 60 test1.tab1_v13.f1,test1.tab1_v13.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v11 hash_ALL NULL #hash#$hj 63 test1.tab1_v12.f1,test1.tab1_v12.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v10 hash_ALL NULL #hash#$hj 31 test1.tab1_v11.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v9 hash_ALL NULL #hash#$hj 60 test1.tab1_v10.f1,test1.tab1_v10.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v8 hash_ALL NULL #hash#$hj 63 test1.tab1_v9.f1,test1.tab1_v9.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v7 hash_ALL NULL #hash#$hj 31 test1.tab1_v8.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v6 hash_ALL NULL #hash#$hj 60 test1.tab1_v7.f1,test1.tab1_v7.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v5 hash_ALL NULL #hash#$hj 63 test1.tab1_v6.f1,test1.tab1_v6.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v4 hash_ALL NULL #hash#$hj 31 test1.tab1_v5.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v3 hash_ALL NULL #hash#$hj 60 test1.tab1_v4.f1,test1.tab1_v4.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v2 hash_ALL NULL #hash#$hj 63 test1.tab1_v3.f1,test1.tab1_v3.f2 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE tab1_v1 hash_ALL NULL #hash#$hj 31 test1.tab1_v2.f1 5 Using where; Using join buffer (incremental, BNLH join) +1 SIMPLE t1 hash_ALL NULL #hash#$hj 85 test1.tab1_v1.f1,test1.tab1_v1.f2 5 Using where; Using join buffer (incremental, BNLH join) +use test; +drop database test1; +set join_cache_level=@tmp_jcl; +set optimizer_switch=@tmp_os; +# +# MDEV-6879: Dereference of NULL primary_file->table in DsMrr_impl::get_disk_sweep_mrr_cost() +# +create table t1(a int); +insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t2 (a int, b int, c text); +insert into t2 +select +A.a + B.a* 10, +A.a + B.a* 10, +'blob-data' +from t1 A, t1 B; +set @tmp_jcl= @@join_cache_level; +set @tmp_os= @@optimizer_switch; +set join_cache_level=6; +set @@optimizer_switch='derived_merge=on,derived_with_keys=on,mrr=on'; +explain +select * from +t1 join +(select * from t2 order by a limit 1000) as D1 +where +D1.a= t1.a; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Using where +1 PRIMARY <derived2> hash_ALL key0 #hash#key0 5 test.t1.a 100 Using join buffer (flat, BNLH join) +2 DERIVED t2 ALL NULL NULL NULL NULL 100 Using filesort +set join_cache_level=@tmp_jcl; +set optimizer_switch=@tmp_os; +drop table t1, t2; set optimizer_switch=@exit_optimizer_switch; |