Fix for DELETE statement. MySql class refactoring to use new DBClasses.

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8449 201d5d3c-b55e-5fd7-737f-ddc643e51545

classes/db/DB.class.php

@@ -484,6 +484,11 @@
    		function getDeleteSql($query){
 			$sql = 'DELETE ';
 
+			// TODO Add support for deleting based on alias, for both simple FROM and multi table join FROM clause
+			$tables = $query->getTables();
+			
+			$sql .= $tables[0]->getAlias();
+			
 			$from = $query->getFromString();
 			if($from == '') return new Object(-1, "Invalid query");
 			$sql .= ' FROM '.$from;			

classes/db/DBCubrid.class.php

@@ -574,6 +574,7 @@
 		function _executeInsertAct($queryObject)
 		{
 			$query = $this->getInsertSql($queryObject);
+			if(is_a($query, 'Object')) return;
 			
 			$query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
 
@@ -591,6 +592,8 @@
 		function _executeUpdateAct($queryObject)
 		{
 			$query = $this->getUpdateSql($queryObject);
+			if(is_a($query, 'Object')) return;
+			
 			$result = $this->_query($query);
 			
 			if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
@@ -605,6 +608,8 @@
 		function _executeDeleteAct($queryObject)
 		{		
 			$query =  $this->getDeleteSql($queryObject);
+			if(is_a($query, 'Object')) return;
+			
 			$result = $this->_query ($query);
 			
 			if ($result && !$this->transaction_started) @cubrid_commit ($this->fd);
@@ -621,6 +626,7 @@
 		// TODO Rewrite with Query object as input		
 		 function _executeSelectAct($queryObject){
 			$query = $this->getSelectSql($queryObject);
+			if(is_a($query, 'Object')) return;
 			
 			$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
 			

classes/db/DBMysql.class.php

@@ -152,7 +152,7 @@
             // Notify to start a query execution
             $this->actStart($query);
             // Run the query statement
-            $result = @mysql_query($query, $this->fd);
+            $result = mysql_query($query, $this->fd);
             // Error Check
             if(mysql_error($this->fd)) $this->setError(mysql_errno($this->fd), mysql_error($this->fd));
             // Notify to complete a query execution
@@ -164,12 +164,16 @@
         /**
          * @brief Fetch results
          **/
-        function _fetch($result) {
+        function _fetch($result, $arrayIndexEndValue = NULL) {
             if(!$this->isConnected() || $this->isError() || !$result) return;
             while($tmp = $this->db_fetch_object($result)) {
-                $output[] = $tmp;
+            	if($arrayIndexEndValue) $output[$arrayIndexEndValue--] = $tmp;
+                else $output[] = $tmp;
+            }
+            if(count($output)==1){
+            	if(isset($arrayIndexEndValue)) return $output; 
+            	else return $output[0];
             }
-            if(count($output)==1) return $output[0];
             return $output;
         }
 
@@ -384,6 +388,7 @@
 			//if($output->priority) $priority = $output->priority['type'].'_priority';
 
             $query = $this->getInsertSql($queryObject);
+            if(is_a($query, 'Object')) return;
             return $this->_query($query);
         }
 
@@ -397,6 +402,7 @@
 			//if($output->priority) $priority = $output->priority['type'].'_priority';
 
             $query = $this->getUpdateSql($queryObject);
+            if(is_a($query, 'Object')) return;
             return $this->_query($query);
         }
 
@@ -406,6 +412,8 @@
         function _executeDeleteAct($queryObject) {
         	$query = $this->getDeleteSql($queryObject);
 			
+        	if(is_a($query, 'Object')) return;
+        	
         	//priority setting
 			// TODO Check what priority does
 			//$priority = '';
@@ -421,17 +429,60 @@
          **/
         function _executeSelectAct($queryObject) {
 			$query = $this->getSelectSql($queryObject);
-			$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
 			
-            $result = $this->_query($query);
+			if(is_a($query, 'Object')) return;
-            if($this->isError()) return;
+			
+			$query .= (__DEBUG_QUERY__&1 && $queryObject->query_id)?sprintf(' '.$this->comment_syntax,$this->query_id):'';
            
             // TODO Add support for click count
             // TODO Add code for pagination           
-            $data = $this->_fetch($result);
             
-            $buff = new Object();
+			$result = $this->_query ($query);
+			if ($this->isError ()) {
+				if ($limit && $output->limit->isPageHandler()){
+					$buff = new Object ();
+					$buff->total_count = 0;
+					$buff->total_page = 0;
+					$buff->page = 1;
+					$buff->data = array ();
+					$buff->page_navigation = new PageHandler (/*$total_count*/0, /*$total_page*/1, /*$page*/1, /*$page_count*/10);//default page handler values
+					return $buff;
+				}else	
+					return;
+			}
+
+		 	if ($queryObject->getLimit() && $queryObject->getLimit()->isPageHandler()) {
+		 		// Total count
+		 		$count_query = sprintf('select count(*) as "count" %s %s', 'FROM ' . $queryObject->getFromString(), ($queryObject->getWhereString() === '' ? '' : ' WHERE '. $queryObject->getWhereString()));
+				if ($queryObject->getGroupByString() != '') {
+					$count_query = sprintf('select count(*) as "count" from (%s) xet', $count_query);
+				}
+
+				$count_query .= (__DEBUG_QUERY__&1 && $output->query_id)?sprintf (' '.$this->comment_syntax, $this->query_id):'';
+				$result_count = $this->_query($count_query);
+				$count_output = $this->_fetch($result_count);
+				$total_count = (int)$count_output->count;
+		 		
+				// Total pages
+				if ($total_count) {
+					$total_page = (int) (($total_count - 1) / $queryObject->getLimit()->list_count) + 1;
+				}	else	$total_page = 1;
+		 		
+				
+		 		$virtual_no = $total_count - ($queryObject->getLimit()->page - 1) * $queryObject->getLimit()->list_count;
+		 		$data = $this->_fetch($result, $virtual_no);
+
+		 		$buff = new Object ();
+				$buff->total_count = $total_count;
+				$buff->total_page = $total_page;
+				$buff->page = $queryObject->getLimit()->page;
 				$buff->data = $data;
+				$buff->page_navigation = new PageHandler($total_count, $total_page, $queryObject->getLimit()->page, $queryObject->getLimit()->page_count);				
+			}else{
+				$data = $this->_fetch($result);
+				$buff = new Object ();
+				$buff->data = $data;	
+			}
 
 			return $buff;            
         }

classes/db/queryparts/Query.class.php

@@ -136,6 +136,10 @@
 			return "($columnsList) \n VALUES ($valuesList)";
 		}			
 		
+		function getTables(){
+			return $this->tables;
+		}
+		
 		function getFromString(){
 			$from = '';
 			$simple_table_count = 0;

classes/db/queryparts/table/Table.class.php

@@ -17,6 +17,10 @@
 			return $this->name;
 		}
 		
+		function getAlias(){
+			return $this->alias;
+		}
+		
 		function isJoinTable(){
 			if(in_array($tableName,array('left join','left outer join','right join','right outer join'))) return true;
 			return false;

classes/xml/XmlQueryParser.class.php

@@ -32,9 +32,8 @@
         function &getDBParser(){
         	static $dbParser;
         	if(!$dbParser){
-        		//$oDB = &DB::getParser();
+        		$oDB = &DB::getInstance();
-				//self::$dbParser = $oDB->getParser();
+				$dbParser = $oDB->getParser();
-				$dbParser = new DBParser('"');
         	}
         	return $dbParser;
         }