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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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65
classes/db/DBFirebird.class.php
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@ -89,7 +89,7 @@
// get server version and implementation strings
$server_info = ibase_server_info($service, IBASE_SVC_SERVER_VERSION);
ibase_service_detach($service);
}
}
else {
$this->setError(ibase_errcode(), ibase_errmsg());
return;
@ -341,7 +341,7 @@
/**
* @brief 1씩 증가되는 sequence값을 return (firebird의 generator 값을 증가)
**/
function getNextSequence() {
function getNextSequence() {
$gen = "GEN_".$this->prefix."sequence_ID";
$sequence = ibase_gen_id($gen, 1);
return $sequence;
@ -509,7 +509,7 @@
if($this->column_type[$type]=='INTEGER') $size = null;
else if($this->column_type[$type]=='VARCHAR' && !$size) $size = 256;
$column_schema[] = sprintf('"%s" %s%s %s %s',
$name,
$this->column_type[$type],
@ -540,8 +540,8 @@
//commit();
@ibase_commit($this->fd);
if(!$output) return false;
if(count($index_list)) {
if(count($index_list)) {
foreach($index_list as $key => $val) {
// index name = prefix + table name + index_list
// index name 크기가 31byte로 제한되어 있어 중복되지 않을만큼 테이블명을 줄임
@ -567,7 +567,7 @@
if(!$output) return false;
}
}
foreach($auto_increment_list as $increment) {
$schema = sprintf('CREATE GENERATOR GEN_%s_ID;', $table_name);
$output = $this->_query($schema);
@ -598,8 +598,19 @@
**/
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;
@ -609,15 +620,11 @@
$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'];
$name = $this->autoQuotes($name);
$value = $this->autoValueQuotes($value, $output);
$str = $this->getConditionPart($name, $value, $operation);
if($sub_condition) $sub_condition .= ' '.$pipe.' ';
$sub_condition .= $str;
@ -627,8 +634,6 @@
$condition .= '('.$sub_condition.')';
}
}
if($condition) $condition = ' Where '.$condition;
return $condition;
}
@ -641,7 +646,7 @@
$table_list[] = '"'.$this->prefix.$val.'"';
}
// 컬럼 정리
// 컬럼 정리
foreach($output->columns as $key => $val) {
$name = $val['name'];
$value = $val['value'];
@ -752,9 +757,21 @@
// 테이블 정리
$table_list = array();
foreach($output->tables as $key => $val) {
$table_list[] = sprintf("\"%s%s\" as \"%s\"", $this->prefix, $val, $key);
$table_list[] = sprintf("\"%s%s\" as \"%s\"", $this->prefix, $val, $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) {
$columns = '*';
} else {
@ -762,7 +779,7 @@
foreach($output->columns as $key => $val) {
$name = $val['name'];
$alias = $val['alias'];
if($alias == "")
$column_list[] = $this->autoQuotes($name);
else
@ -773,7 +790,7 @@
$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) {
@ -792,7 +809,7 @@
if($output->list_count['value']) $limit = sprintf('FIRST %d', $output->list_count['value']);
else $limit = '';
$query = sprintf("select %s %s from %s %s", $limit, $columns, implode(',',$table_list), $condition);
$query = sprintf("select %s from %s %s %s", $columns, implode(',',$table_list),implode(' ',$left_join), $condition);
if($output->groups) {
foreach($output->groups as $key => $val) {
@ -825,11 +842,11 @@
*
* 그닥 좋지는 않은 구조이지만 편리하다.. -_-;
**/
function _getNavigationData($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);
@ -868,8 +885,8 @@
}
}
$limit = sprintf('FIRST %d SKIP %d ', $list_count, $start_count);
$query = sprintf('SELECT %s %s FROM %s %s', $limit, $columns, implode(',',$table_list), $condition);
$limit = sprintf('FIRST %d SKIP %d ', $list_count, $start_count);
$query = sprintf('SELECT %s %s FROM %s %s %s', $limit, $columns, implode(',',$table_list), implode(' ',$left_join), $condition);
if($output->groups) {
foreach($output->groups as $key => $val) {