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group_by.result:

WL3527: disable wrong optimization.
sql_select.cc:
  WL#3527: disable wrong optimization.
This commit is contained in:
gkodinov/kgeorge@magare.gmz
2007-03-12 13:20:46 +02:00
parent a474f33494
commit f2ce1445e1
2 changed files with 1 additions and 13 deletions

View File

@ -1067,7 +1067,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index
1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index; Using filesort
EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY)
IGNORE INDEX FOR GROUP BY (i2) GROUP BY a;
id select_type table type possible_keys key key_len ref rows Extra