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Bug fixes for 3.23.23

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monty@donna.mysql.com
2000-08-29 12:31:01 +03:00
parent d564acf14e
commit 066d55c0c0
33 changed files with 909 additions and 211 deletions
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12
sql/opt_range.cc
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@ -14,6 +14,16 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
TODO:
Fix that MAYBE_KEY are stored in the tree so that we can detect use
of full hash keys for queries like:
select s.id, kws.keyword_id from sites as s,kws where s.id=kws.site_id and kws.keyword_id in (204,205);
*/
#ifdef __GNUC__
#pragma implementation // gcc: Class implementation
@ -557,7 +567,7 @@ SEL_ARG *SEL_ARG::clone_tree()
** Returns:
** -1 if impossible select
** 0 if can't use quick_select
** 1 if found usably range
** 1 if found usable range
** Updates the following in the select parameter:
** needed_reg ; Bits for keys with may be used if all prev regs are read
** quick ; Parameter to use when reading records.