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First version of uncorellated select subquery.

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git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8539 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ucorina 2011-06-27 17:44:56 +00:00
parent af9ced8c5c
commit 0a53ac3e9d
5 changed files with 315 additions and 18 deletions
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34
classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php
View file

@ -6,7 +6,10 @@
class SelectColumnsTag {
var $columns;
function SelectColumnsTag($xml_columns){
function SelectColumnsTag($xml_columns_tag){
$xml_columns = $xml_columns_tag->column;
$xml_queries = $xml_columns_tag->query;
$this->columns = array();
if(!$xml_columns) {
@ -15,17 +18,31 @@
}
if(!is_array($xml_columns)) $xml_columns = array($xml_columns);
foreach($xml_columns as $column){
if($column->name === 'query') $this->columns[] = new QueryTag($column, true);
if($column->node_name == 'query') $this->columns[] = new QueryTag($column, true);
else $this->columns[] = new SelectColumnTag($column);
}
}
if(!$xml_queries) {
return;
}
if(!is_array($xml_queries)) $xml_queries = array($xml_queries);
foreach($xml_queries as $column){
$this->columns[] = new QueryTag($column, true);
}
}
function toString(){
$output_columns = 'array(' . PHP_EOL;
foreach($this->columns as $column){
$output_columns .= $column->getExpressionString() . PHP_EOL . ',';
if(is_a($column, 'QueryTag'))
$output_columns .= $column->toString() . PHP_EOL . ',';
else
$output_columns .= $column->getExpressionString() . PHP_EOL . ',';
}
$output_columns = substr($output_columns, 0, -1);
$output_columns .= ')';
@ -33,7 +50,12 @@
}
function getArguments(){
return array();
$arguments = array();
foreach($this->columns as $column){
if(is_a($column, 'QueryTag'))
$arguments = array_merge($arguments, $column->getArguments());
}
return $arguments;
}
}
?>

56
classes/xml/xmlquery/tags/query/QueryTag.class.php
View file

@ -17,12 +17,16 @@ class QueryTag {
var $buff;
var $isSubQuery;
var $alias;
function QueryTag($query, $isSubQuery = false){
$this->action = $query->attrs->action;
$this->query_id = $query->attrs->id;
$this->query = $query;
$this->isSubQuery = $isSubQuery;
if($this->isSubQuery) $this->action = 'select';
$this->alias = $query->attrs->alias;
$this->getColumns();
$tables = $this->getTables();
$this->setTableColumnTypes($tables);
@ -33,6 +37,10 @@ class QueryTag {
$this->getBuff();
}
function show(){
return true;
}
function getQueryId(){
return $this->query->attrs->query_id ? $this->query->attrs->query_id : $this->query->attrs->id;
}
@ -56,7 +64,7 @@ class QueryTag {
function getColumns(){
if($this->action == 'select'){
return $this->columns = new SelectColumnsTag($this->query->columns->column);
return $this->columns = new SelectColumnsTag($this->query->columns);
}else if($this->action == 'insert'){
return $this->columns = new InsertColumnsTag($this->query->columns->column);
}else if($this->action == 'update') {
@ -68,11 +76,7 @@ class QueryTag {
function getPrebuff(){
// TODO Check if this work with arguments in join clause
$arguments = array();
if($this->columns)
$arguments = array_merge($arguments, $this->columns->getArguments());
$arguments = array_merge($arguments, $this->conditions->getArguments());
$arguments = array_merge($arguments, $this->navigation->getArguments());
$arguments = $this->getArguments();
$prebuff = '';
foreach($arguments as $argument){
@ -90,8 +94,27 @@ class QueryTag {
function getBuff(){
$buff = '';
if($this->isSubQuery) $buff .= '$query = new Query();'.PHP_EOL;
else $buff .= '$query = new Query();'.PHP_EOL;
echo 'start ---';
var_dump($this);
echo 'end ---';
//echo 'Luam un query care e '.$this->isSubQuery;
if($this->isSubQuery){
$buff = 'new Subquery(';
$buff .= "'" . $this->alias . '\', ';
$buff .= ($this->columns ? $this->columns->toString() : 'null' ). ', '.PHP_EOL;
$buff .= $this->tables->toString() .','.PHP_EOL;
$buff .= $this->conditions->toString() .',' .PHP_EOL;
$buff .= $this->groups->toString() . ',' .PHP_EOL;
$buff .= $this->navigation->getOrderByString() .','.PHP_EOL;
$limit = $this->navigation->getLimitString() ;
$buff .= $limit ? $limit : 'null' . PHP_EOL;
$buff .= ')';
$this->buff = $buff;
return $this->buff;
}
$buff .= '$query = new Query();'.PHP_EOL;
$buff .= sprintf('$query->setQueryId("%s");%s', $this->query_id, "\n");
$buff .= sprintf('$query->setAction("%s");%s', $this->action, "\n");
$buff .= $this->preBuff;
@ -104,8 +127,9 @@ class QueryTag {
$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() .');'.PHP_EOL;
$buff .= '$query->setLimit(' . $this->navigation->getLimitString() .');'.PHP_EOL;
return $this->buff = $buff;
}
$this->buff = $buff;
return $this->buff;
}
function getTables(){
return $this->tables = new TablesTag($this->query->tables->table);
@ -138,5 +162,15 @@ class QueryTag {
function getExpressionString(){
return $this->buff;
}
function getArguments(){
$arguments = array();
if($this->columns)
$arguments = array_merge($arguments, $this->columns->getArguments());
$arguments = array_merge($arguments, $this->conditions->getArguments());
$arguments = array_merge($arguments, $this->navigation->getArguments());
return $arguments;
}
}
?>