Added support for INSERT INTO ... SELECT .. statements.

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10009 201d5d3c-b55e-5fd7-737f-ddc643e51545

classes/db/queryparts/Query.class.php

@@ -92,6 +92,10 @@
 
 			$this->tables = $tables;
 		}
+		
+		function setSubquery($subquery){
+			$this->subquery = $subquery;
+		}
 
 		function setConditions($conditions){
                     $this->conditions = array();
@@ -185,6 +189,20 @@
 
 		function getInsertString($with_values = true){
 			$columnsList = '';
+			if($this->subquery){ // means we have insert-select
+				
+				foreach($this->columns as $column){
+					$columnsList .= $column->getColumnName() . ', ';
+				}
+				$columnsList = substr($columnsList, 0, -2);
+				
+				$selectStatement = $this->subquery->toString($with_values);
+				$selectStatement = substr($selectStatement, 1, -1);
+				
+				return "($columnsList) \n $selectStatement";
+			}
+			
+			
 			$valuesList = '';
 			foreach($this->columns as $column){
 				if($column->show()){

classes/xml/XmlQueryParser.150.class.php

@@ -21,6 +21,7 @@
 	require(_XE_PATH_.'classes/xml/xmlquery/tags/column/ColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/SelectColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnTag.class.php');
+		require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/UpdateColumnTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php');
         require(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php');

classes/xml/xmlquery/tags/column/InsertColumnTagWithoutArgument.class.php

@@ -0,0 +1,27 @@
+<?php
+    /**
+     * @class InsertColumnTagWithoutArgument
+     * @author Arnia Software
+     * @brief Models the <column> tag inside an XML Query file whose action is 'insert-select'
+     *
+     **/
+
+	class InsertColumnTagWithoutArgument extends ColumnTag {
+
+		function InsertColumnTagWithoutArgument($column) {
+			parent::ColumnTag($column->attrs->name);
+			$dbParser = DB::getParser();
+			$this->name = $dbParser->parseColumnName($this->name);
+		}
+
+		function getExpressionString(){
+			var_dump($this->name);
+			return sprintf('new Expression(\'%s\')', $this->name);
+		}
+
+		function getArgument(){
+			return null;
+		}
+
+	}
+?>

classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php

@@ -19,6 +19,7 @@
 
 			foreach($xml_columns as $column){
 				if($column->name === 'query') $this->columns[] = new QueryTag($column, true);
+				else if(!isset($column->attrs->var) && !isset($column->attrs->default)) $this->columns[] = new InsertColumnTagWithoutArgument($column);
 				else $this->columns[] = new InsertColumnTag($column);
 			}
 		}

classes/xml/xmlquery/tags/query/QueryTag.class.php

@@ -10,6 +10,7 @@ class QueryTag {
 	//xml tags
 	var $columns;
 	var $tables;
+	var $subquery;
 	var $conditions;
 	var $groups;
 	var $navigation;
@@ -37,9 +38,12 @@ class QueryTag {
 		$this->getColumns();
 		$tables = $this->getTables();
 		$this->setTableColumnTypes($tables);
+		$this->getSubquery(); // Used for insert-select
 		$this->getConditions();
 		$this->getGroups();
 		$this->getNavigation();
+		
+		
 		$this->getPrebuff();
 		$this->getBuff();
 	}
@@ -78,7 +82,7 @@ class QueryTag {
 	function getColumns(){
 		if($this->action == 'select'){
 			return $this->columns =  new SelectColumnsTag($this->query->columns);
-		}else if($this->action == 'insert'){
+		}else if($this->action == 'insert' || $this->action == 'insert-select'){
 			return $this->columns =  new InsertColumnsTag($this->query->columns->column);
 		}else if($this->action == 'update') {
 			return $this->columns =  new UpdateColumnsTag($this->query->columns->column);
@@ -88,6 +92,7 @@ class QueryTag {
 	}
 
 	function getPrebuff(){
+		if($this->isSubQuery) return;
 		// TODO Check if this work with arguments in join clause
 		$arguments = $this->getArguments();
 
@@ -139,6 +144,8 @@ class QueryTag {
 			$buff .= '$query->setColumns(' . $this->columns->toString() . ');'.PHP_EOL;
 
         $buff .= '$query->setTables(' . $this->tables->toString() .');'.PHP_EOL;
+		if($this->action == 'insert-select')
+				$buff .= '$query->setSubquery(' . $this->subquery->toString() .');'.PHP_EOL;
         $buff .= '$query->setConditions('.$this->conditions->toString() .');'.PHP_EOL;
        	$buff .= '$query->setGroups(' . $this->groups->toString() . ');'.PHP_EOL;
        	$buff .= '$query->setOrder(' . $this->navigation->getOrderByString() .');'.PHP_EOL;
@@ -149,12 +156,18 @@ class QueryTag {
 	}
 
 	function getTables(){
-                if($this->query->index_hint->attrs->for == 'ALL' || Context::getDBType() == strtolower($this->query->index_hint->attrs->for))
-                    return $this->tables = new TablesTag($this->query->tables, $this->query->index_hint);
-                else
-                    return $this->tables = new TablesTag($this->query->tables);
+		if($this->query->index_hint->attrs->for == 'ALL' || Context::getDBType() == strtolower($this->query->index_hint->attrs->for))
+			return $this->tables = new TablesTag($this->query->tables, $this->query->index_hint);
+		else
+			return $this->tables = new TablesTag($this->query->tables);
 	}
 
+	function getSubquery(){
+		if($this->query->query){
+			$this->subquery = new QueryTag($this->query->query, true);
+		}
+	}
+	
 	function getConditions(){
 		return $this->conditions = new ConditionsTag($this->query->conditions);
 	}
@@ -183,12 +196,13 @@ class QueryTag {
 		return $this->buff;
 	}
 
-
 	function getArguments(){
 		$arguments = array();
 		if($this->columns)
 			$arguments = array_merge($arguments, $this->columns->getArguments());
-                $arguments = array_merge($arguments, $this->tables->getArguments());
+		if($this->action =='insert-select')
+			$arguments = array_merge($arguments, $this->subquery->getArguments());
+        $arguments = array_merge($arguments, $this->tables->getArguments());
 		$arguments = array_merge($arguments, $this->conditions->getArguments());
 		$arguments = array_merge($arguments, $this->navigation->getArguments());
 		return $arguments;

tests/classes/db/db/xml_query/mysql/MysqlInsertTest.php

@@ -0,0 +1,44 @@
+<?php
+
+/**
+ * @class MysqlInsertTest
+ * @brief Constains all test method for insert statements, using Mysql SQL syntax
+ * @developer Corina Udrescu (xe_dev@arnia.ro)
+ */
+class MysqlInsertTest extends MysqlTest 
+{
+	/**
+	 * @brief _test - local helper method
+	 * @developer Corina Udrescu (xe_dev@arnia.ro)
+	 * @access private
+	 * @param $xml_file string - Path to XML file containing the query to be tested
+	 * @param $argsString string - String containing PHP code that initializez the arguments that the query receives
+	 * @param $expected string - Expected SQL query as string
+	 * @param $columnList array - Array containing the column names that will be retrieved, in case only a part of the ones in the query file are needed
+	 * @return void
+	 */
+	function _test($xml_file, $argsString, $expected, $columnList = NULL)
+	{
+		$this->_testQuery($xml_file, $argsString, $expected, 'getInsertSql', $columnList);
+	}
+
+	/**
+	 * @brief testInsertSelectStatement - checks that when query action is 'insert-selct' an 'INSERT INTO .. SELECT ...' statement is properly generated
+	 * @developer Corina Udrescu (xe_dev@arnia.ro)
+	 * @access public
+	 * @return void
+	 */
+	function testInsertSelectStatement()
+	{
+		$xml_file = _TEST_PATH_ . "db/xml_query/mysql/data/insert_select.xml";
+		$argsString = '$args->condition_value = 7;';
+		$expected = 'insert into `xe_table1` (`column1`, `column2`, `column3`) 
+						select `column4`, `column5`, `column6` 
+							from `xe_table2` as `table2` 
+							where `column4` >= 7';
+		$this->_test($xml_file, $argsString, $expected);
+	}
+}
+
+/* End of file MysqlInsertTest.php */
+/* Location: ./tests/classes/db/db/xml_query/mysql/MysqlInsertTest.php */

tests/classes/db/db/xml_query/mysql/data/insert_select.xml

@@ -0,0 +1,23 @@
+<query id="QUERY_ID" action="insert-select">
+    <tables>
+            <table name="table1" />
+    </tables>
+    <columns>
+            <column name="column1" />
+            <column name="column2" />
+            <column name="column3" />
+    </columns>
+	<query>
+			<tables>
+					<table name="table2" />
+			</tables>
+			<columns>
+					<column name="column4" />
+					<column name="column5" />
+					<column name="column6" />
+			</columns>
+			<conditions>
+					<condition operation="more" column="column4" default="100" var="condition_value" />
+			</conditions>
+	</query>		
+</query>