diff options
| author | unknown <timour@mysql.com> | 2004-05-10 15:48:50 +0300 |
|---|---|---|
| committer | unknown <timour@mysql.com> | 2004-05-10 15:48:50 +0300 |
| commit | a51ba6133d2724d45f54ece233efca93e4d2393b (patch) | |
| tree | df3a799fcb71add098c537586a4dcd1f6ecd8577 /mysql-test/r/select.result | |
| parent | 4c56ede41c6d8148063df723e701281a860ce48e (diff) | |
| download | mariadb-git-a51ba6133d2724d45f54ece233efca93e4d2393b.tar.gz | |
Complete implementation of WL#1469 "Greedy algorithm to search for an optimal execution plan",
consisting of pos-review fixes and improvements.
mysql-test/r/distinct.result:
Adjusted to account for pre-sorting of tables before optimiziation.
mysql-test/r/func_group.result:
Adjusted to account for pre-sorting of tables before optimiziation.
mysql-test/r/greedy_optimizer.result:
- Adjusted to account for pre-sorting of tables before optimiziation.
- Removed unnecessary test.
- More comments.
mysql-test/r/select.result:
- Adjusted to account for pre-sorting of tables before optimiziation.
mysql-test/t/greedy_optimizer.test:
- Adjusted to account for pre-sorting of tables before optimiziation.
- Removed unnecessary test.
- More comments.
sql/mysql_priv.h:
Moved function print_plan() to sql_test.cc
sql/sql_select.cc:
- Simplified the recursion in best_extension_by_limited_search()
and aligned it with its pseudo-code.
- Renamed functions to better reflect their semantics.
- Post-review changes of function specifications.
- Moved function print_plan() to sql_test.cc.
sql/sql_test.cc:
Moved function print_plan() to sql_test.cc
Diffstat (limited to 'mysql-test/r/select.result')
| -rw-r--r-- | mysql-test/r/select.result | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mysql-test/r/select.result b/mysql-test/r/select.result index 30b391dd947..5ed2587336e 100644 --- a/mysql-test/r/select.result +++ b/mysql-test/r/select.result @@ -1393,8 +1393,8 @@ companynr companynr 41 40 explain select distinct t2.companynr,t4.companynr from t2,t4 where t2.companynr=t4.companynr+1; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using temporary -1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using where; Using index +1 SIMPLE t4 index NULL PRIMARY 1 NULL 12 Using index; Using temporary +1 SIMPLE t2 ALL NULL NULL NULL NULL 1199 Using where select t2.fld1,t2.companynr,fld3,period from t3,t2 where t2.fld1 = 38208 and t2.fld1=t3.t2nr and period = 1008 or t2.fld1 = 38008 and t2.fld1 =t3.t2nr and period = 1008; fld1 companynr fld3 period 038008 37 reporters 1008 @@ -2314,8 +2314,8 @@ left join t4 on id3 = id4 where id2 = 1 or id4 = 1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t3 system NULL NULL NULL NULL 0 const row not found 1 SIMPLE t1 ALL NULL NULL NULL NULL 2 -1 SIMPLE t2 ALL NULL NULL NULL NULL 1 -1 SIMPLE t4 ALL id4 NULL NULL NULL 1 Using where +1 SIMPLE t4 ALL id4 NULL NULL NULL 1 +1 SIMPLE t2 ALL NULL NULL NULL NULL 1 Using where select * from t1 left join t2 on id1 = id2 left join t3 on id1 = id3 left join t4 on id3 = id4 where id2 = 1 or id4 = 1; id1 id2 id3 id4 id44 |