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Fixed bug in SQL_CALC_FOUND_ROWS + LIMIT

Browse source 
Docs/manual.texi:
  Changelog
mysql-test/r/select_found.result:
  Test of FOUND_ROWS() bug fix
mysql-test/t/select_found.test:
  Test of FOUND_ROWS() bug fix
This commit is contained in:
unknown 2002-06-10 13:33:25 +03:00
commit 45e0cd6129
4 changed files with 50 additions and 3 deletions
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16
sql/sql_select.cc
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@ -4900,12 +4900,24 @@ end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
JOIN_TAB *jt=join->join_tab;
if ((join->tables == 1) && !join->tmp_table && !join->sort_and_group
&& !join->send_group_parts && !join->having && !jt->select_cond &&
!(jt->select && jt->select->quick) &&
!(jt->table->file->table_flags() & HA_NOT_EXACT_COUNT))
{
/* Join over all rows in table; Return number of found rows */
TABLE *table=jt->table;
join->select_options ^= OPTION_FOUND_ROWS;
jt->table->file->info(HA_STATUS_VARIABLE);
join->send_records = jt->table->file->records;
if (table->record_pointers ||
(table->io_cache && my_b_inited(table->io_cache)))
{
/* Using filesort */
join->send_records= table->found_records;
}
else
{
table->file->info(HA_STATUS_VARIABLE);
join->send_records = table->file->records;
}
}
else
{