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Updated DB classes for supporting prepared statements - SQL string can now be returned with '?' instead of argument values.

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8458 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2011-06-07 19:01:58 +00:00
parent 313bfca8e8
commit b6a1088995
14 changed files with 107 additions and 52 deletions
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39
classes/db/DBMssql.class.php
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@ -434,6 +434,42 @@
return $this->_query($query);
}
function getSelectSql($query){
$with_value = false;
//$limitOffset = $query->getLimit()->getOffset();
//if($limitOffset)
// TODO Implement Limit with offset with subquery
$limit = '';$limitCount = '';
if($query->getLimit())
$limitCount = $query->getLimit()->getLimit();
if($limitCount != '') $limit = 'SELECT TOP ' . $limitCount;
$select = $query->getSelectString($with_values);
if($select == '') return new Object(-1, "Invalid query");
if($limit != '')
$select = $limit.' '.$select;
else
$select = 'SELECT ' .$select;
$from = $query->getFromString($with_values);
if($from == '') return new Object(-1, "Invalid query");
$from = ' FROM '.$from;
$where = $query->getWhereString($with_values);
if($where != '') $where = ' WHERE ' . $where;
$groupBy = $query->getGroupByString();
if($groupBy != '') $groupBy = ' GROUP BY ' . $groupBy;
$orderBy = $query->getOrderByString();
if($orderBy != '') $orderBy = ' ORDER BY ' . $orderBy;
return $select . ' ' . $from . ' ' . $where . ' ' . $groupBy . ' ' . $orderBy;
}
/**
* @brief Handle selectAct
*
@ -451,6 +487,9 @@
return $buff;
}
function getParser(){
return new DBParser("[", "]");
}
}