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| author | Igor Babaev <igor@askmonty.org> | 2010-10-18 13:33:05 -0700 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2010-10-18 13:33:05 -0700 |
| commit | 25f5debdc71105820aceaac25799eb3fc09479cd (patch) | |
| tree | 8832320275a120a662f4e553941a1bb86e83b667 /mysql-test/r/distinct.result | |
| parent | 79087c9e072ea2c1af3f1372d5c37729545f618c (diff) | |
| download | mariadb-git-25f5debdc71105820aceaac25799eb3fc09479cd.tar.gz | |
MWL#128: Added into EXPLAIN output info about types of the used join buffers and
about the employed join algorithms.
Refactored constructors of the JOIN_CACHE* classes.
Diffstat (limited to 'mysql-test/r/distinct.result')
| -rw-r--r-- | mysql-test/r/distinct.result | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mysql-test/r/distinct.result b/mysql-test/r/distinct.result index 6e9150f2a06..ac87ea049a0 100644 --- a/mysql-test/r/distinct.result +++ b/mysql-test/r/distinct.result @@ -175,7 +175,7 @@ explain SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 4 Using where; Using temporary 1 SIMPLE t3 ref a a 5 test.t1.b 2 Using index -1 SIMPLE t2 index a a 4 NULL 5 Using where; Using index; Distinct; Using join buffer +1 SIMPLE t2 index a a 4 NULL 5 Using where; Using index; Distinct; Using join buffer (flat, BNL join) SELECT distinct t3.a FROM t3,t2,t1 WHERE t3.a=t1.b AND t1.a=t2.a; a 1 @@ -300,11 +300,11 @@ WHERE AND ((t1.id=j_lj_t3.id AND t3_lj.id IS NULL) OR (t1.id=t3.id AND t3.idx=2)); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index id id 4 NULL 2 Using index; Using temporary -1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer -1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer -1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer +1 SIMPLE t2 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join) +1 SIMPLE t3 index id id 8 NULL 1 Using index; Distinct; Using join buffer (flat, BNL join) +1 SIMPLE j_lj_t2 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join) 1 SIMPLE t2_lj ref id id 4 test.j_lj_t2.id 1 Using where; Using index; Distinct -1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer +1 SIMPLE j_lj_t3 index id id 4 NULL 2 Using where; Using index; Distinct; Using join buffer (flat, BNL join) 1 SIMPLE t3_lj ref id id 4 test.j_lj_t3.id 1 Using where; Using index; Distinct SELECT DISTINCT t1.id @@ -515,7 +515,7 @@ id select_type table type possible_keys key key_len ref rows Extra EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1_1 ALL NULL NULL NULL NULL 3 Using temporary -1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer +1 SIMPLE t1_2 index NULL PRIMARY 4 NULL 3 Using index; Distinct; Using join buffer (flat, BNL join) EXPLAIN SELECT DISTINCT t1_1.a, t1_1.b FROM t1 t1_1, t1 t1_2 WHERE t1_1.a = t1_2.a; id select_type table type possible_keys key key_len ref rows Extra |