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Merge work:/home/bk/mysql-4.0 into hundin.mysql.fi:/my/bk/mysql-4.0

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unknown 2002-06-10 13:34:41 +03:00
commit 30d5eb2287
4 changed files with 50 additions and 3 deletions
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2
Docs/manual.texi
View File

@ -49402,6 +49402,8 @@ if the first @code{SELECT} has this option and if there is global @code{LIMIT}
for the entire statement. For the moment, this requires using parentheses for
individual @code{SELECT} queries within the statement.
@item
Fixed bug in @code{SQL_CALC_FOUND_ROWS} and LIMIT.
@item
Don't give an error for @code{CREATE TABLE ...(... VARCHAR(0))}.
@item
Fixed @code{SIGINT} and @code{SIGQUIT} problems in @file{mysql.cc} on Linux

18
mysql-test/r/select_found.result
View File

@ -66,7 +66,7 @@ a
2
select FOUND_ROWS();
FOUND_ROWS()
5
3
drop table t1;
CREATE TABLE t1 (
`id` smallint(5) unsigned NOT NULL auto_increment,
@ -153,3 +153,19 @@ SELECT FOUND_ROWS();
FOUND_ROWS()
199
drop table t1,t2;
CREATE TABLE `t1` (
`titre` char(80) NOT NULL default '',
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO t1 (titre,maxnumrep) VALUES
('test1','1'),('test2','2'),('test3','3');
SELECT SQL_CALC_FOUND_ROWS titre,numeropost,maxnumrep FROM t1 WHERE numeropost IN (1,2) ORDER BY maxnumrep DESC LIMIT 0, 1;
titre numeropost maxnumrep
test2 2 2
SELECT FOUND_ROWS();
FOUND_ROWS()
2
drop table t1;

17
mysql-test/t/select_found.test
View File

@ -68,3 +68,20 @@ SELECT SQL_CALC_FOUND_ROWS DISTINCT email FROM t2 LEFT JOIN t1 ON kid = t2.id W
SELECT FOUND_ROWS();
drop table t1,t2;
#
# Test bug when using range optimization
#
CREATE TABLE `t1` (
`titre` char(80) NOT NULL default '',
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM ROW_FORMAT=FIXED;
INSERT INTO t1 (titre,maxnumrep) VALUES
('test1','1'),('test2','2'),('test3','3');
SELECT SQL_CALC_FOUND_ROWS titre,numeropost,maxnumrep FROM t1 WHERE numeropost IN (1,2) ORDER BY maxnumrep DESC LIMIT 0, 1;
SELECT FOUND_ROWS();
drop table t1;

16
sql/sql_select.cc
View File

@ -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
{