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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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74
classes/db/DBPostgresql.class.php
View file

@ -69,20 +69,20 @@
* @brief DB 접속
**/
function _connect() {
// pg용 connection string
$conn_string = "";
// pg용 connection string
$conn_string = "";
// db 정보가 없으면 무시
if(!$this->hostname || !$this->userid || !$this->database) return;
// connection string 만들기
$conn_string .= ($this->hostname) ? " host=$this->hostname" : "";
$conn_string .= ($this->userid) ? " user=$this->userid" : "";
$conn_string .= ($this->password) ? " password=$this->password" : "";
$conn_string .= ($this->database) ? " dbname=$this->database" : "";
$conn_string .= ($this->port) ? " port=$this->port" : "";
// connection string 만들기
$conn_string .= ($this->hostname) ? " host=$this->hostname" : "";
$conn_string .= ($this->userid) ? " user=$this->userid" : "";
$conn_string .= ($this->password) ? " password=$this->password" : "";
$conn_string .= ($this->database) ? " dbname=$this->database" : "";
$conn_string .= ($this->port) ? " port=$this->port" : "";
// 접속시도
// 접속시도
$this->fd = @pg_connect($conn_string);
if(!$this->fd || pg_connection_status($this->fd) != PGSQL_CONNECTION_OK) {
$this->setError(-1, "CONNECTION FAILURE");
@ -314,10 +314,10 @@
// 테이블 생성 schema 작성
$table_name = $xml_obj->table->attrs->name;
if($table_name == 'sequence') {
if($table_name == 'sequence') {
$query = sprintf('create sequence %s', $this->prefix.$table_name);
return $this->_query($query);
}
return $this->_query($query);
}
if($this->isTableExists($table_name)) return;
$table_name = $this->prefix.$table_name;
@ -336,7 +336,7 @@
$default = $column->attrs->default;
$auto_increment = $column->attrs->auto_increment;
if($type == "bignumber" || $type == "number") $size = 0;
if($type == "bignumber" || $type == "number") $size = 0;
$column_schema[] = sprintf('%s %s%s %s %s',
$name,
@ -361,7 +361,7 @@
}
}
$schema = sprintf('create table %s (%s%s);', $this->addQuotes($table_name), "\n", implode($column_schema,",\n"));
$output = $this->_query($schema);
@ -381,8 +381,19 @@
**/
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;
@ -392,10 +403,10 @@
$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.' ';
@ -406,11 +417,10 @@
$condition .= '('.$sub_condition.')';
}
}
if($condition) $condition = ' where '.$condition;
return $condition;
}
/**
* @brief insertAct 처리
**/
@ -420,7 +430,7 @@
$table_list[] = $this->prefix.$val;
}
// 컬럼 정리
// 컬럼 정리
foreach($output->columns as $key => $val) {
$name = $val['name'];
$value = $val['value'];
@ -446,7 +456,7 @@
$table_list[] = $this->prefix.$val.' as '.$key;
}
// 컬럼 정리
// 컬럼 정리
foreach($output->columns as $key => $val) {
if(!isset($val['value'])) continue;
$name = $val['name'];
@ -498,6 +508,18 @@
$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 {
@ -520,7 +542,7 @@
$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) {
@ -535,7 +557,7 @@
}
}
$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));
@ -560,11 +582,11 @@
*
* 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) {
$result = $this->_query($count_query);
@ -601,7 +623,7 @@
}
}
$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));