[2.0] Added remaining supported functions for 2.0.

lib/Doctrine/ORM/Query/AST/Functions/AbsFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "ABS" "(" SimpleArithmeticExpression ")"
+ *
+ * @author robo
+ */
+class AbsFunction extends FunctionNode
+{
+    private $_simpleArithmeticExpression;
+
+    public function getSimpleArithmeticExpression()
+    {
+        return $this->_simpleArithmeticExpression;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'ABS(' . $sqlWalker->walkSimpleArithmeticExpression($this->_simpleArithmeticExpression) . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_simpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
+        $parser->match(')');
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/CurrentDateFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "CURRENT_DATE"
+ *
+ * @author robo
+ */
+class CurrentDateFunction extends FunctionNode
+{
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'CURRENT_DATE';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/CurrentTimeFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "CURRENT_TIME"
+ *
+ * @author robo
+ */
+class CurrentTimeFunction extends FunctionNode
+{
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'CURRENT_TIME';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/CurrentTimestampFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "CURRENT_TIMESTAMP"
+ *
+ * @author robo
+ */
+class CurrentTimestampFunction extends FunctionNode
+{
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'CURRENT_TIMESTAMP';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/LengthFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "LENGTH" "(" StringPrimary ")"
+ *
+ * @author robo
+ */
+class LengthFunction extends FunctionNode
+{
+    private $_stringPrimary;
+
+    public function getStringPrimary()
+    {
+        return $this->_stringPrimary;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'LENGTH(' . $sqlWalker->walkStringPrimary($this->_stringPrimary) . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_stringPrimary = $parser->_StringPrimary();
+        $parser->match(')');
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/LocateFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "LOCATE" "(" StringPrimary "," StringPrimary ["," SimpleArithmeticExpression]")"
+ *
+ * @author robo
+ */
+class LocateFunction extends FunctionNode
+{
+    private $_firstStringPrimary;
+    private $_secondStringPrimary;
+    private $_simpleArithmeticExpression;
+
+    public function getFirstStringPrimary()
+    {
+        return $this->_firstStringPrimary;
+    }
+
+    public function getSecondStringPrimary()
+    {
+        return $this->_secondStringPrimary;
+    }
+
+    public function getSimpleArithmeticExpression()
+    {
+        return $this->_simpleArithmeticExpression;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        $sql = 'LOCATE(' .
+                $sqlWalker->walkStringPrimary($this->_firstStringPrimary)
+                . ', ' .
+                $sqlWalker->walkStringPrimary($this->_secondStringPrimary);
+        
+        if ($this->_simpleArithmeticExpression) {
+            $sql .= ', ' . $sqlWalker->walkSimpleArithmeticExpression($this->_simpleArithmeticExpression);
+        }
+        return $sql . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_firstStringPrimary = $parser->_StringPrimary();
+        $parser->match(',');
+        $this->_secondStringPrimary = $parser->_StringPrimary();
+        if ($lexer->isNextToken(',')) {
+            $parser->match(',');
+            $this->_simpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
+        }
+        $parser->match(')');
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/ModFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "MOD" "(" SimpleArithmeticExpression "," SimpleArithmeticExpression ")"
+ *
+ * @author robo
+ */
+class ModFunction extends FunctionNode
+{
+    private $_firstSimpleArithmeticExpression;
+    private $_secondSimpleArithmeticExpression;
+
+    public function getFirstSimpleArithmeticExpression()
+    {
+        return $this->_firstSimpleArithmeticExpression;
+    }
+
+    public function getSecondSimpleArithmeticExpression()
+    {
+        return $this->_secondSimpleArithmeticExpression;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'SQRT(' .
+                $sqlWalker->walkSimpleArithmeticExpression($this->_firstSimpleArithmeticExpression)
+                . ', ' .
+                $sqlWalker->walkSimpleArithmeticExpression($this->_secondSimpleArithmeticExpression)
+                . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_firstSimpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
+        $parser->match(',');
+        $this->_secondSimpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
+        $parser->match(')');
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/SizeFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "SIZE" "(" CollectionValuedPathExpression ")"
+ *
+ * @author robo
+ */
+class SizeFunction extends FunctionNode
+{
+    private $_collectionPathExpression;
+
+    public function getCollectionPathExpression()
+    {
+        return $this->_collectionPathExpression;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Construct appropriate SQL
+        return "";
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_collectionPathExpression = $parser->_CollectionValuedPathExpression();
+        $parser->match(')');
+    }
+}
+

lib/Doctrine/ORM/Query/AST/Functions/SqrtFunction.php

+<?php
+/* 
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+namespace Doctrine\ORM\Query\AST\Functions;
+
+/**
+ * "SQRT" "(" SimpleArithmeticExpression ")"
+ *
+ * @author robo
+ */
+class SqrtFunction extends FunctionNode
+{
+    private $_simpleArithmeticExpression;
+
+    public function getSimpleArithmeticExpression()
+    {
+        return $this->_simpleArithmeticExpression;
+    }
+
+    /**
+     * @override
+     */
+    public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
+    {
+        //TODO: Use platform to get SQL
+        return 'SQRT(' . $sqlWalker->walkSimpleArithmeticExpression($this->_simpleArithmeticExpression) . ')';
+    }
+
+    /**
+     * @override
+     */
+    public function parse(\Doctrine\ORM\Query\Parser $parser)
+    {
+        $lexer = $parser->getLexer();
+        $parser->match($lexer->lookahead['value']);
+        $parser->match('(');
+        $this->_simpleArithmeticExpression = $parser->_SimpleArithmeticExpression();
+        $parser->match(')');
+    }
+}
+