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MWL#67: MRR backport

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- Make index condition pushdown be controlled by an @@optimizer_switch flag,
  not by @@engine_condition_pushdown
- Make MRR buffer size be controlled by @@mrr_buffer_size, not 
  by @@read_rnd_buffer_size
- Move parts of code to separate files
- Code cleanup
- Add --sorted_result to some SELECTs in tests.
This commit is contained in:
Sergey Petrunya
2009-12-22 15:33:21 +03:00
parent 19f6f52a21
commit da5edf5057
33 changed files with 1202 additions and 1151 deletions
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2
mysql-test/include/common-tests.inc
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@ -1332,7 +1332,7 @@ explain select fld1 from t2 where fld1=250501 or fld1=250502 or fld1 >= 250505 a
# Search with a key with LIKE constant
# If the like starts with a certain letter key will be used.
#
--sorted_result
select fld1,fld3 from t2 where companynr = 37 and fld3 like 'f%';
select fld3 from t2 where fld3 like "L%" and fld3 = "ok";
select fld3 from t2 where (fld3 like "C%" and fld3 = "Chantilly");