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Bug #27531: 5.1 part of the fix

- Renamed "Using join cache" to "Using join buffer".
- "Using join buffer" is now printed on the last
  table that "reads" from the join buffer cache.
This commit is contained in:
gkodinov/kgeorge@macbook.gmz
2007-05-29 15:58:18 +03:00
parent ad5dede765
commit fe03f6bbe0
31 changed files with 372 additions and 372 deletions

View File

@ -184,8 +184,8 @@ min(7)
7
explain select min(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
select min(7) from t2i join t1i;
min(7)
NULL
@ -200,8 +200,8 @@ max(7)
7
explain select max(7) from t2i join t1i;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2i ALL NULL NULL NULL NULL 1 Using join cache
1 SIMPLE t1i ALL NULL NULL NULL NULL 1
1 SIMPLE t2i ALL NULL NULL NULL NULL 1
1 SIMPLE t1i ALL NULL NULL NULL NULL 1 Using join buffer
select max(7) from t2i join t1i;
max(7)
NULL