mirror of
https://github.com/Lastorder-DC/rhymix.git
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First version of uncorellated select subquery.
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
parent
af9ced8c5c
commit
0a53ac3e9d
5 changed files with 315 additions and 18 deletions
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@ -526,5 +526,192 @@
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return new DBParser('"');
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return new DBParser('"');
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}
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}
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// TO BE REMOVED - Used for query compare
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/**
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* @brief returns type of column
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* @param[in] $column_type_list list of column type
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* @param[in] $name name of column type
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* @return column type of $name
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* @remarks columns are usually like a.b, so it needs another function
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**/
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function getColumnType($column_type_list, $name) {
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if(strpos($name, '.') === false) return $column_type_list[$name];
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list($prefix, $name) = explode('.', $name);
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return $column_type_list[$name];
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}
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/**
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* @brief returns the value of condition
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* @param[in] $name name of condition
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* @param[in] $value value of condition
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* @param[in] $operation operation this is used in condition
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* @param[in] $type type of condition
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* @param[in] $column_type type of column
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* @return well modified $value
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* @remarks if $operation is like or like_prefix, $value itself will be modified
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* @remarks if $type is not 'number', call addQuotes() and wrap with ' '
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**/
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function getConditionValue($name, $value, $operation, $type, $column_type) {
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if(!in_array($operation,array('in','notin','between')) && $type == 'number') {
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if(is_array($value)){
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$value = join(',',$value);
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}
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if(strpos($value, ',') === false && strpos($value, '(') === false) return (int)$value;
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return $value;
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}
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if(!is_array($value) && strpos($name, '.') !== false && strpos($value, '.') !== false) {
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list($table_name, $column_name) = explode('.', $value);
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if($column_type[$column_name]) return $value;
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}
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switch($operation) {
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case 'like_prefix' :
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if(!is_array($value)) $value = preg_replace('/(^\'|\'$){1}/', '', $value);
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$value = $value.'%';
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break;
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case 'like_tail' :
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if(!is_array($value)) $value = preg_replace('/(^\'|\'$){1}/', '', $value);
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$value = '%'.$value;
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break;
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case 'like' :
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if(!is_array($value)) $value = preg_replace('/(^\'|\'$){1}/', '', $value);
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$value = '%'.$value.'%';
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break;
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case 'notin' :
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if(is_array($value))
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{
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$value = $this->addQuotesArray($value);
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if($type=='number') return join(',',$value);
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else return "'". join("','",$value)."'";
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}
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else
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{
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return $value;
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}
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break;
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case 'in' :
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if(is_array($value))
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{
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$value = $this->addQuotesArray($value);
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if($type=='number') return join(',',$value);
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else return "'". join("','",$value)."'";
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}
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else
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{
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return $value;
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}
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break;
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case 'between' :
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if(!is_array($value)) $value = array($value);
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$value = $this->addQuotesArray($value);
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if($type!='number')
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{
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foreach($value as $k=>$v)
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{
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$value[$k] = "'".$v."'";
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}
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}
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return $value;
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break;
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default:
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if(!is_array($value)) $value = preg_replace('/(^\'|\'$){1}/', '', $value);
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}
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return "'".$this->addQuotes($value)."'";
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}
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/**
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* @brief returns part of condition
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* @param[in] $name name of condition
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* @param[in] $value value of condition
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* @param[in] $operation operation that is used in condition
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* @return detail condition
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**/
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function getConditionPart($name, $value, $operation) {
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switch($operation) {
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case 'equal' :
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case 'more' :
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case 'excess' :
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case 'less' :
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case 'below' :
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case 'like_tail' :
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case 'like_prefix' :
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case 'like' :
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case 'in' :
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case 'notin' :
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case 'notequal' :
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// if variable is not set or is not string or number, return
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if(!isset($value)) return;
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if($value === '') return;
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if(!in_array(gettype($value), array('string', 'integer'))) return;
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break;
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case 'between' :
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if(!is_array($value)) return;
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if(count($value)!=2) return;
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}
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switch($operation) {
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case 'equal' :
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return $name.' = '.$value;
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break;
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case 'more' :
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return $name.' >= '.$value;
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break;
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case 'excess' :
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return $name.' > '.$value;
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break;
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case 'less' :
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return $name.' <= '.$value;
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break;
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case 'below' :
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return $name.' < '.$value;
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break;
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case 'like_tail' :
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case 'like_prefix' :
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case 'like' :
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return $name.' like '.$value;
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break;
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case 'in' :
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return $name.' in ('.$value.')';
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break;
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case 'notin' :
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return $name.' not in ('.$value.')';
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break;
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case 'notequal' :
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return $name.' <> '.$value;
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break;
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case 'notnull' :
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return $name.' is not null';
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break;
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case 'null' :
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return $name.' is null';
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break;
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case 'between' :
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return $name.' between ' . $value[0] . ' and ' . $value[1];
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break;
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}
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}
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/**
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* @brief returns condition key
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* @param[in] $output result of query
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* @return array of conditions of $output
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**/
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function getConditionList($output) {
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$conditions = array();
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if(count($output->conditions)) {
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foreach($output->conditions as $key => $val) {
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if($val['condition']) {
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foreach($val['condition'] as $k => $v) {
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$conditions[] = $v['column'];
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}
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}
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}
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}
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return $conditions;
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}
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}
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}
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?>
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?>
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@ -13,6 +13,29 @@
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var $arguments = null;
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var $arguments = null;
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function Query($queryID = null
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, $action = null
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, $columns = null
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, $tables = null
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, $conditions = null
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, $groups = null
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, $orderby = null
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, $limit = null){
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$this->queryID = $queryID;
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$this->action = $action;
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$this->columns = $columns;
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$this->tables = $tables;
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$this->conditions = $conditions;
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$this->groups = $groups;
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$this->orderby = $orderby;
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$this->limit = $limit;
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}
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function show(){
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return true;
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}
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function setQueryId($queryID){
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function setQueryId($queryID){
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$this->queryID = $queryID;
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$this->queryID = $queryID;
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}
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}
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@ -110,7 +133,13 @@
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function getSelectString($with_values = true){
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function getSelectString($with_values = true){
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$select = '';
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$select = '';
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foreach($this->columns as $column){
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foreach($this->columns as $column){
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var_dump($column);
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if($column->show())
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if($column->show())
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if(is_a($column, 'Subquery')){
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$oDB = &DB::getInstance();
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$select .= '(' .$oDB->getSelectSql($column, $with_values) . ') as \''. $column->getAlias().'\', ';
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}
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else
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$select .= $column->getExpression($with_values) . ', ';
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$select .= $column->getExpression($with_values) . ', ';
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}
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}
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if(trim($select) == '') return '';
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if(trim($select) == '') return '';
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25
classes/db/queryparts/Subquery.class.php
Normal file
25
classes/db/queryparts/Subquery.class.php
Normal file
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@ -0,0 +1,25 @@
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<?php
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class Subquery extends Query {
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var $alias;
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function Subquery($alias, $columns, $tables, $conditions, $groups, $orderby, $limit){
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$this->alias = $alias;
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$this->queryID = null;
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$this->action = null;
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$this->columns = $columns;
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$this->tables = $tables;
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$this->conditions = $conditions;
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$this->groups = $groups;
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$this->orderby = $orderby;
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$this->limit = $limit;
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}
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function getAlias(){
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return $this->alias;
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}
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}
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?>
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@ -6,7 +6,10 @@
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class SelectColumnsTag {
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class SelectColumnsTag {
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var $columns;
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var $columns;
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function SelectColumnsTag($xml_columns){
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function SelectColumnsTag($xml_columns_tag){
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$xml_columns = $xml_columns_tag->column;
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$xml_queries = $xml_columns_tag->query;
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$this->columns = array();
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$this->columns = array();
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if(!$xml_columns) {
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if(!$xml_columns) {
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@ -17,14 +20,28 @@
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if(!is_array($xml_columns)) $xml_columns = array($xml_columns);
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if(!is_array($xml_columns)) $xml_columns = array($xml_columns);
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foreach($xml_columns as $column){
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foreach($xml_columns as $column){
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if($column->name === 'query') $this->columns[] = new QueryTag($column, true);
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if($column->node_name == 'query') $this->columns[] = new QueryTag($column, true);
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else $this->columns[] = new SelectColumnTag($column);
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else $this->columns[] = new SelectColumnTag($column);
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}
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}
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if(!$xml_queries) {
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return;
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}
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if(!is_array($xml_queries)) $xml_queries = array($xml_queries);
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foreach($xml_queries as $column){
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$this->columns[] = new QueryTag($column, true);
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}
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}
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}
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function toString(){
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function toString(){
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$output_columns = 'array(' . PHP_EOL;
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$output_columns = 'array(' . PHP_EOL;
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foreach($this->columns as $column){
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foreach($this->columns as $column){
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if(is_a($column, 'QueryTag'))
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$output_columns .= $column->toString() . PHP_EOL . ',';
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else
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$output_columns .= $column->getExpressionString() . PHP_EOL . ',';
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$output_columns .= $column->getExpressionString() . PHP_EOL . ',';
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}
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}
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$output_columns = substr($output_columns, 0, -1);
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$output_columns = substr($output_columns, 0, -1);
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@ -33,7 +50,12 @@
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}
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}
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function getArguments(){
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function getArguments(){
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return array();
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$arguments = array();
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foreach($this->columns as $column){
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if(is_a($column, 'QueryTag'))
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$arguments = array_merge($arguments, $column->getArguments());
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}
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return $arguments;
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}
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}
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}
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}
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?>
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?>
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@ -17,11 +17,15 @@ class QueryTag {
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var $buff;
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var $buff;
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var $isSubQuery;
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var $isSubQuery;
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var $alias;
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function QueryTag($query, $isSubQuery = false){
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function QueryTag($query, $isSubQuery = false){
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$this->action = $query->attrs->action;
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$this->action = $query->attrs->action;
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$this->query_id = $query->attrs->id;
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$this->query_id = $query->attrs->id;
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$this->query = $query;
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$this->query = $query;
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$this->isSubQuery = $isSubQuery;
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$this->isSubQuery = $isSubQuery;
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if($this->isSubQuery) $this->action = 'select';
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$this->alias = $query->attrs->alias;
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$this->getColumns();
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$this->getColumns();
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$tables = $this->getTables();
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$tables = $this->getTables();
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|
@ -33,6 +37,10 @@ class QueryTag {
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$this->getBuff();
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$this->getBuff();
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}
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}
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function show(){
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return true;
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}
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|
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function getQueryId(){
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function getQueryId(){
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return $this->query->attrs->query_id ? $this->query->attrs->query_id : $this->query->attrs->id;
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return $this->query->attrs->query_id ? $this->query->attrs->query_id : $this->query->attrs->id;
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}
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}
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|
@ -56,7 +64,7 @@ class QueryTag {
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function getColumns(){
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function getColumns(){
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if($this->action == 'select'){
|
if($this->action == 'select'){
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return $this->columns = new SelectColumnsTag($this->query->columns->column);
|
return $this->columns = new SelectColumnsTag($this->query->columns);
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}else if($this->action == 'insert'){
|
}else if($this->action == 'insert'){
|
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return $this->columns = new InsertColumnsTag($this->query->columns->column);
|
return $this->columns = new InsertColumnsTag($this->query->columns->column);
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}else if($this->action == 'update') {
|
}else if($this->action == 'update') {
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|
|
@ -68,11 +76,7 @@ class QueryTag {
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|
|
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function getPrebuff(){
|
function getPrebuff(){
|
||||||
// TODO Check if this work with arguments in join clause
|
// TODO Check if this work with arguments in join clause
|
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$arguments = array();
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$arguments = $this->getArguments();
|
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if($this->columns)
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|
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$arguments = array_merge($arguments, $this->columns->getArguments());
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|
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$arguments = array_merge($arguments, $this->conditions->getArguments());
|
|
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$arguments = array_merge($arguments, $this->navigation->getArguments());
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|
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|
|
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$prebuff = '';
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$prebuff = '';
|
||||||
foreach($arguments as $argument){
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foreach($arguments as $argument){
|
||||||
|
|
@ -90,8 +94,27 @@ class QueryTag {
|
||||||
|
|
||||||
function getBuff(){
|
function getBuff(){
|
||||||
$buff = '';
|
$buff = '';
|
||||||
if($this->isSubQuery) $buff .= '$query = new Query();'.PHP_EOL;
|
echo 'start ---';
|
||||||
else $buff .= '$query = new Query();'.PHP_EOL;
|
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->setQueryId("%s");%s', $this->query_id, "\n");
|
||||||
$buff .= sprintf('$query->setAction("%s");%s', $this->action, "\n");
|
$buff .= sprintf('$query->setAction("%s");%s', $this->action, "\n");
|
||||||
$buff .= $this->preBuff;
|
$buff .= $this->preBuff;
|
||||||
|
|
@ -104,7 +127,8 @@ class QueryTag {
|
||||||
$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() .');'.PHP_EOL;
|
$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() .');'.PHP_EOL;
|
||||||
$buff .= '$query->setLimit(' . $this->navigation->getLimitString() .');'.PHP_EOL;
|
$buff .= '$query->setLimit(' . $this->navigation->getLimitString() .');'.PHP_EOL;
|
||||||
|
|
||||||
return $this->buff = $buff;
|
$this->buff = $buff;
|
||||||
|
return $this->buff;
|
||||||
}
|
}
|
||||||
|
|
||||||
function getTables(){
|
function getTables(){
|
||||||
|
|
@ -138,5 +162,15 @@ class QueryTag {
|
||||||
function getExpressionString(){
|
function getExpressionString(){
|
||||||
return $this->buff;
|
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;
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
?>
|
?>
|
||||||
Loading…
Add table
Add a link
Reference in a new issue