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nexedi
MariaDB
Commits
b8ded6e9
Commit
b8ded6e9
authored
Oct 29, 2002
by
peter@mysql.com
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Merge mysql.com:/home/pz/mysql/mysql-4.0-root
into mysql.com:/home/pz/mysql/mysql-4.0
parents
5a38ed50
24521828
Changes
2
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2 changed files
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5 additions
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1 deletion
+5
-1
Docs/manual.texi
Docs/manual.texi
+4
-0
sql/sql_select.cc
sql/sql_select.cc
+1
-1
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Docs/manual.texi
View file @
b8ded6e9
...
@@ -50815,6 +50815,10 @@ each individual 4.0.x release.
...
@@ -50815,6 +50815,10 @@ each individual 4.0.x release.
@appendixsubsec Changes in release 4.0.5
@appendixsubsec Changes in release 4.0.5
@itemize
@itemize
@item
@item
Removed a condition that temp table with index on column that can be NULL has
to be MyISAM. This was OK for 3.23, but not needed in 4.*. This resulted in
slowdown in many queries since 4.0.2
@item
Small code improvement in multi-table updates
Small code improvement in multi-table updates
@item
@item
Fixed a newly introduced bug that caused @code{ORDER BY ... LIMIT #}
Fixed a newly introduced bug that caused @code{ORDER BY ... LIMIT #}
sql/sql_select.cc
View file @
b8ded6e9
...
@@ -3708,7 +3708,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
...
@@ -3708,7 +3708,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
*
blob_field
=
0
;
// End marker
*
blob_field
=
0
;
// End marker
/* If result table is small; use a heap */
/* If result table is small; use a heap */
if
(
blob_count
||
using_unique_constraint
||
group_null_items
||
if
(
blob_count
||
using_unique_constraint
||
(
select_options
&
(
OPTION_BIG_TABLES
|
SELECT_SMALL_RESULT
))
==
(
select_options
&
(
OPTION_BIG_TABLES
|
SELECT_SMALL_RESULT
))
==
OPTION_BIG_TABLES
)
OPTION_BIG_TABLES
)
{
{
...
...
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