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option to free_root() to not my_free() the blocks

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fixed bug/updated count_distinct2 test
changed reset in count distinct to avoid calls to my_free()


include/my_sys.h:
  option to free_root() not to do my_free()
include/my_tree.h:
  reset_tree()
mysql-test/r/count_distinct2.result:
  added group by test
mysql-test/t/count_distinct2.test:
  group by test + fixed bug - need to drop table
mysys/my_alloc.c:
  mark_blocks_free()
mysys/tree.c:
  reset_tree()
sql/item_sum.cc:
  in count distinct reset_tree instead of delete_tree
This commit is contained in:
unknown
2001-05-12 19:50:51 -06:00
parent 6498429624
commit b7b7eb9c05
7 changed files with 71 additions and 6 deletions
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6
include/my_sys.h
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@ -108,7 +108,11 @@ extern int NEAR my_errno; /* Last error in mysys */
/* root_alloc flags */
#define MY_KEEP_PREALLOC 1
#define MY_MARK_BLOCKS_FREE 2 /* do not my_free() blocks,
just move used into free list
and mark all blocks as fully free
*/
/* defines when allocating data */
#ifdef SAFEMALLOC