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Bug#18053 Partitions: crash if null

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Bug#18070 Partitions: wrong result on WHERE ... IS NULL
 removed unnecessary code
 added handling of NULL values
This commit is contained in:
gluh@eagle.intranet.mysql.r18.ru
2006-03-28 17:25:19 +05:00
parent 3c6d2e322c
commit 9c82b6746a
5 changed files with 198 additions and 4 deletions
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sql/opt_range.cc
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@@ -2296,6 +2296,7 @@ bool prune_partitions(THD *thd, TABLE *table, Item *pprune_cond)
RANGE_OPT_PARAM *range_par= &prune_param.range_param;
prune_param.part_info= part_info;
prune_param.part_iter.has_null_value= FALSE;
init_sql_alloc(&alloc, thd->variables.range_alloc_block_size, 0);
range_par->mem_root= &alloc;