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Issue 1023 - Bug when paging query with outer join and distinct.

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10299 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2012-03-02 15:17:18 +00:00
parent fef0e92afd
commit ad88ec5f8c
4 changed files with 38 additions and 1 deletions
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11
classes/db/DBMysql.class.php
View file

@ -467,7 +467,16 @@
// Total count
$temp_where = $queryObject->getWhereString(true, false);
$count_query = sprintf('select count(*) as "count" %s %s', 'FROM ' . $queryObject->getFromString(), ($temp_where === '' ? '' : ' WHERE '. $temp_where));
if ($queryObject->getGroupByString() != '') {
// Check for distinct query and if found update count query structure
$temp_select = $queryObject->getSelectString();
if(strpos(strtolower($temp_select), "distinct") !== false) {
$count_query = sprintf('select %s %s %s', 'FROM ' . $queryObject->getFromString(), $temp_select, ($temp_where === '' ? '' : ' WHERE '. $temp_where));
$uses_distinct = true;
}
// If query uses grouping or distinct, count from original select
if ($queryObject->getGroupByString() != '' || $uses_distinct) {
$count_query = sprintf('select count(*) as "count" from (%s) xet', $count_query);
}

1
classes/xml/xmlquery/DBParser.class.php
View file

@ -103,6 +103,7 @@
if($this->isStarFunction($column_name)){
return $column_name;
}
if(strpos(strtolower($column_name), 'distinct') !== false) return $column_name;
return $this->escapeColumn($column_name);
}
}

11
tests/classes/db/db/xml_query/mysql/MysqlSelectTest.php
View file

@ -229,4 +229,15 @@
order by `comments`.`list_order` asc limit 0, 5';
$this->_test($xml_file, $argsString, $expected);
}
function test_distinct_outer_join(){
$xml_file = _TEST_PATH_ . "db/xml_query/mysql/data/distinct_outer_join.xml";
$argsString = '$args->site_srl = 0;';
$expected = 'select distinct `modules`.`module_srl` as `module_site_srl`
from `xe_sites` as `sites`
left join `xe_modules` as `modules` on `modules`.`module_srl` = `sites`.`index_module_srl`
where `sites`.`site_srl` = 0';
$this->_test($xml_file, $argsString, $expected);
}
}

16
tests/classes/db/db/xml_query/mysql/data/distinct_outer_join.xml Normal file
View file

@ -0,0 +1,16 @@
<query id="getSiteInfo" action="select">
<tables>
<table name="sites" alias="sites" />
<table name="modules" alias="modules" type="left join">
<conditions>
<condition operation="equal" column="modules.module_srl" default="sites.index_module_srl" notnull="notnull" pipe="and" />
</conditions>
</table>
</tables>
<columns>
<column name="DISTINCT modules.module_srl" alias="module_site_srl" />
</columns>
<conditions>
<condition operation="equal" column="sites.site_srl" var="site_srl" notnull="notnull" />
</conditions>
</query>