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Added support for selecting a subset of the columns specified in the XML query file.

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8614 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2011-07-20 12:34:31 +00:00
parent 8b9468a165
commit e7fe19db1f
5 changed files with 71 additions and 39 deletions
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35
classes/db/queryparts/Query.class.php
View file

@ -13,6 +13,8 @@
var $arguments = null;
var $columnList = null;
function Query($queryID = null
, $action = null
, $columns = null
@ -24,12 +26,13 @@
$this->queryID = $queryID;
$this->action = $action;
$this->columns = $columns;
$this->tables = $tables;
$this->conditions = $conditions;
$this->groups = $groups;
$this->orderby = $orderby;
$this->limit = $limit;
if(!isset($tables)) return;
$this->columns = $this->setColumns($columns);
$this->tables = $this->setTables($tables);
$this->conditions = $this->setConditions($conditions);
$this->groups = $this->setGroups($groups);
$this->orderby = $this->setOrder($orderby);
$this->limit = $this->setLimit($limit);
}
function show(){
@ -44,6 +47,10 @@
$this->action = $action;
}
function setColumnList($columnList){
$this->columnList = $columnList;
}
function setColumns($columns){
if(!isset($columns) || count($columns) === 0){
$this->columns = array(new StarExpression());
@ -130,9 +137,21 @@
return $this->action;
}
function getSelectString($with_values = true){
function getSelectString($with_values = true){
if(isset($this->columnList)){
$selectColumns = array();
$dbParser = XmlQueryParser::getDBParser();
foreach($this->columnList as $columnName){
$columnName = $dbParser->escapeColumn($columnName);
$selectColumns[] = new SelectExpression($columnName);
}
}
else
$selectColumns = $this->columns;
$select = '';
foreach($this->columns as $column){
foreach($selectColumns as $column){
if($column->show())
if(is_a($column, 'Subquery')){
$select .= $column->toString($with_values) . ' as '. $column->getAlias() .', ';