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left/right outer join 지원 추가

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git-svn-id: http://xe-core.googlecode.com/svn/sandbox@5199 201d5d3c-b55e-5fd7-737f-ddc643e51545
This commit is contained in:
ngleader 2009-01-02 06:47:42 +00:00
parent 56acdeca75
commit 9a029e0f8d
9 changed files with 530 additions and 260 deletions
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43
classes/db/DBSqlite3_pdo.class.php
View file

@ -386,8 +386,19 @@
**/
function getCondition($output) {
if(!$output->conditions) return;
$condition = $this->_getCondition($output->conditions,$output->column_type);
if($condition) $condition = ' where '.$condition;
return $condition;
}
foreach($output->conditions as $val) {
function getLeftCondition($conditions,$column_type){
return $this->_getCondition($conditions,$column_type);
}
function _getCondition($conditions,$column_type) {
$condition = '';
foreach($conditions as $val) {
$sub_condition = '';
foreach($val['condition'] as $v) {
if(!isset($v['value'])) continue;
@ -397,12 +408,11 @@
$name = $v['column'];
$operation = $v['operation'];
$value = $v['value'];
$type = $this->getColumnType($output->column_type,$name);
$type = $this->getColumnType($column_type,$name);
$pipe = $v['pipe'];
$value = $this->getConditionValue($name, $value, $operation, $type, $output->column_type);
$value = $this->getConditionValue($name, $value, $operation, $type, $column_type);
if(!$value) $value = $v['value'];
$str = $this->getConditionPart($name, $value, $operation);
if($sub_condition) $sub_condition .= ' '.$pipe.' ';
$sub_condition .= $str;
@ -412,8 +422,6 @@
$condition .= '('.$sub_condition.')';
}
}
if($condition) $condition = ' where '.$condition;
return $condition;
}
@ -550,6 +558,19 @@
$table_list[] = $this->prefix.$val.' as '.$key;
}
$left_join = array();
// why???
$left_tables= (array)$output->left_tables;
foreach($left_tables as $key => $val) {
$condition = $this->_getCondition($output->left_conditions[$key],$output->column_type);
if($condition){
$left_join[] = $val . ' '.$this->prefix.$output->_tables[$key].' as '.$key . ' on (' . $condition . ')';
}
}
if(!$output->columns) {
$columns = '*';
} else {
@ -572,7 +593,7 @@
$condition = $this->getCondition($output);
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, $condition, $output);
if($output->list_count && $output->page) return $this->_getNavigationData($table_list, $columns, ,$left_join, $condition, $output);
// list_order, update_order 로 정렬시에 인덱스 사용을 위해 condition에 쿼리 추가
if($output->order) {
@ -587,7 +608,7 @@
}
}
$query = sprintf("select %s from %s %s", $columns, implode(',',$table_list), $condition);
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition);
if(count($output->groups)) $query .= sprintf(' group by %s', implode(',',$output->groups));
@ -615,11 +636,11 @@
*
* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
**/
function _getNavigationData($table_list, $columns, $condition, $output) {
function _getNavigationData($table_list, $columns, $left_join, $condition, $output) {
require_once(_XE_PATH_.'classes/page/PageHandler.class.php');
// 전체 개수를 구함
$count_query = sprintf("select count(*) as count from %s %s", implode(',',$table_list), $condition);
$count_query = sprintf("select count(*) as count from %s %s %s", implode(',',$table_list),implode(' ',$left_join), $condition);
$total_count = $this->getCountCache($output->tables, $condition);
if($total_count === false) {
$this->_prepare($count_query);
@ -656,7 +677,7 @@
}
}
$query = sprintf("select %s from %s %s", $columns, implode(',',$table_list), $condition);
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list), implode(' ',$left_join), $condition);
if(count($output->groups)) $query .= sprintf(' group by %s', implode(',',$output->groups));