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15 * This software consists of voluntary contributions made by many individuals
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20 namespace Doctrine\ORM\Query\AST\Functions;
22 use Doctrine\ORM\Query\Lexer;
23 use Doctrine\ORM\Query\SqlWalker;
24 use Doctrine\ORM\Query\Parser;
27 * "DATE_DIFF" "(" ArithmeticPrimary "," ArithmeticPrimary ")"
30 * @link www.doctrine-project.org
32 * @author Benjamin Eberlei <kontakt@beberlei.de>
34 class DateDiffFunction extends FunctionNode
39 public function getSql(SqlWalker $sqlWalker)
41 return $sqlWalker->getConnection()->getDatabasePlatform()->getDateDiffExpression(
42 $this->date1->dispatch($sqlWalker),
43 $this->date2->dispatch($sqlWalker)
47 public function parse(Parser $parser)
49 $parser->match(Lexer::T_IDENTIFIER);
50 $parser->match(Lexer::T_OPEN_PARENTHESIS);
52 $this->date1 = $parser->ArithmeticPrimary();
53 $parser->match(Lexer::T_COMMA);
54 $this->date2 = $parser->ArithmeticPrimary();
56 $parser->match(Lexer::T_CLOSE_PARENTHESIS);