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Fixed LP BUG#615760: Check on double cache assignment added into the transformation methods.

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Cache parameters print added in EXPLAIN EXTENDED output.

mysql-test/r/compare.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/group_by.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect3.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect3_jcl6.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect4.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_cache.result:
  Added test suite for LP BUG#615760
mysql-test/r/subselect_mat.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_no_mat.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_no_opts.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_no_semijoin.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_sj.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/r/subselect_sj_jcl6.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/suite/pbxt/r/subselect.result:
  Cache parameters print added in EXPLAIN EXTENDED output.
mysql-test/t/subselect_cache.test:
  Cache parameters print added in EXPLAIN EXTENDED output.
sql/item.cc:
  Item::set_expr_cache result fixed according to its description.
  
  Cache parameters print added in EXPLAIN EXTENDED output.
sql/item.h:
  Cache parameters print added in EXPLAIN EXTENDED output.
sql/item_cmpfunc.cc:
  Check on double cache assignment added into the transformation methods.
sql/item_cmpfunc.h:
  Check on double cache assignment added into the transformation methods.
sql/item_subselect.cc:
  Check on double cache assignment added into the transformation methods.
sql/item_subselect.h:
  Check on double cache assignment added into the transformation methods.
sql/sql_expression_cache.cc:
  Cache parameters print added.
sql/sql_expression_cache.h:
  Cache parameters print added.
sql/sql_select.cc:
  Removed unused method (now it is impossible to make double transformation with the cache).
sql/sql_select.h:
  Removed unused method.
This commit is contained in:
unknown
2010-09-06 15:34:24 +03:00
parent 08d1de3732
commit d6a9b52269
26 changed files with 299 additions and 276 deletions
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2
mysql-test/r/explain.result
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@ -224,7 +224,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache>((select 1 from `test`.`t2` where (`test`.`t2`.`d` = NULL))) AS `(SELECT 1 FROM t2 WHERE d = c)` from `test`.`t1`
Note 1003 select <expr_cache><NULL>((select 1 from `test`.`t2` where (`test`.`t2`.`d` = NULL))) AS `(SELECT 1 FROM t2 WHERE d = c)` from `test`.`t1`
DROP TABLE t1, t2;
#
# Bug #48419: another explain crash..