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Merge mysql.com:/home/pz/mysql/mysql-4.0-root
into mysql.com:/home/pz/mysql/mysql-4.0
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commit
31ddd4763b
2 changed files with 5 additions and 1 deletions
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@ -50815,6 +50815,10 @@ each individual 4.0.x release.
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@appendixsubsec Changes in release 4.0.5
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@itemize
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@item
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Removed a condition that temp table with index on column that can be NULL has
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to be MyISAM. This was OK for 3.23, but not needed in 4.*. This resulted in
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slowdown in many queries since 4.0.2
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@item
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Small code improvement in multi-table updates
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@item
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Fixed a newly introduced bug that caused @code{ORDER BY ... LIMIT #}
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@ -3708,7 +3708,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
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*blob_field= 0; // End marker
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/* If result table is small; use a heap */
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if (blob_count || using_unique_constraint || group_null_items ||
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if (blob_count || using_unique_constraint ||
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(select_options & (OPTION_BIG_TABLES | SELECT_SMALL_RESULT)) ==
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OPTION_BIG_TABLES)
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{
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