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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Satag\AmicronEntityBundle\DQL; |
| 6 | |
| 7 | use Doctrine\ORM\Query\AST\Functions\FunctionNode; |
| 8 | use Doctrine\ORM\Query\Parser; |
| 9 | use Doctrine\ORM\Query\SqlWalker; |
| 10 | use Doctrine\ORM\Query\TokenType; |
| 11 | |
| 12 | /** |
| 13 | * Firebird DQL function: DATEDIFF(unit, date1, date2) |
| 14 | * |
| 15 | * Generates: DATEDIFF(<unit>, <date1>, <date2>) |
| 16 | * |
| 17 | * Supported Firebird units: YEAR, MONTH, DAY, HOUR, MINUTE, SECOND, MILLISECOND |
| 18 | * |
| 19 | * Usage in DQL: |
| 20 | * SELECT DATEDIFF('DAY', e.startDate, e.endDate) FROM ... |
| 21 | * |
| 22 | * Note: The unit is passed as a DQL string literal (e.g. 'DAY') and emitted |
| 23 | * as an unquoted Firebird keyword in the generated SQL. |
| 24 | */ |
| 25 | final class DateDiff extends FunctionNode |
| 26 | { |
| 27 | private mixed $unit = null; |
| 28 | |
| 29 | private mixed $firstDate = null; |
| 30 | |
| 31 | private mixed $secondDate = null; |
| 32 | |
| 33 | public function parse(Parser $parser): void |
| 34 | { |
| 35 | $parser->match(TokenType::T_IDENTIFIER); |
| 36 | $parser->match(TokenType::T_OPEN_PARENTHESIS); |
| 37 | $this->unit = $parser->ArithmeticPrimary(); |
| 38 | $parser->match(TokenType::T_COMMA); |
| 39 | $this->firstDate = $parser->ArithmeticPrimary(); |
| 40 | $parser->match(TokenType::T_COMMA); |
| 41 | $this->secondDate = $parser->ArithmeticPrimary(); |
| 42 | $parser->match(TokenType::T_CLOSE_PARENTHESIS); |
| 43 | } |
| 44 | |
| 45 | public function getSql(SqlWalker $sqlWalker): string |
| 46 | { |
| 47 | // Retrieve unit SQL — a string literal like 'DAY' — and strip surrounding quotes |
| 48 | // Firebird DATEDIFF requires an unquoted unit keyword: DATEDIFF(DAY, d1, d2) |
| 49 | $unitSql = $sqlWalker->walkArithmeticPrimary($this->unit); |
| 50 | $unit = trim($unitSql, '\'"'); |
| 51 | |
| 52 | return \sprintf( |
| 53 | 'DATEDIFF(%s, %s, %s)', |
| 54 | $unit, |
| 55 | $sqlWalker->walkArithmeticPrimary($this->firstDate), |
| 56 | $sqlWalker->walkArithmeticPrimary($this->secondDate), |
| 57 | ); |
| 58 | } |
| 59 | } |