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Added the MAX_LENGTH_FOR_SORT_DATA option
filesort.cc:
  Added the MAX_LENGTH_FOR_SORT_DATA option
This commit is contained in:
igor@hundin.mysql.fi
2003-04-24 14:33:33 +03:00
parent 5610c4dea6
commit 80615fade2
15 changed files with 534 additions and 190 deletions
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4
sql/sql_update.cc
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@@ -201,14 +201,14 @@ int mysql_update(THD *thd,
bzero((char*) &tables,sizeof(tables));
tables.table = table;
table->io_cache = (IO_CACHE *) my_malloc(sizeof(IO_CACHE),
table->sort.io_cache = (IO_CACHE *) my_malloc(sizeof(IO_CACHE),
MYF(MY_FAE | MY_ZEROFILL));
if (setup_ref_array(thd, &thd->lex.select_lex.ref_pointer_array,
order_num)||
setup_order(thd, thd->lex.select_lex.ref_pointer_array,
&tables, fields, all_fields, order) ||
!(sortorder=make_unireg_sortorder(order, &length)) ||
(table->found_records = filesort(thd, table, sortorder, length,
(table->sort.found_records = filesort(thd, table, sortorder, length,
(SQL_SELECT *) 0,
HA_POS_ERROR, &examined_rows))
== HA_POS_ERROR)