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Change of internal key_field=NULL handling to avoid error messages.

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Optimized SELECT DISTINCT ... ORDER BY ... LIMIT
Fixed reference to uninitalized variable
This commit is contained in:
monty@hundin.mysql.fi
2002-12-03 13:08:25 +02:00
parent ce56f927fa
commit 8830eb4aa9
25 changed files with 315 additions and 119 deletions
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4
sql/sql_handler.cc
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@ -180,10 +180,10 @@ int mysql_ha_read(THD *thd, TABLE_LIST *tables,
Item *item;
for (key_len=0 ; (item=it_ke++) ; key_part++)
{
item->save_in_field(key_part->field);
item->save_in_field(key_part->field, 1);
key_len+=key_part->store_length;
}
if (!(key= (byte*) sql_calloc(ALIGN_SIZE(key_len))))
if (!(key= (byte*) thd->calloc(ALIGN_SIZE(key_len))))
{
send_error(&thd->net,ER_OUTOFMEMORY);
goto err;