33 lines
998 B
PHP
33 lines
998 B
PHP
<?php
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namespace Core\Driver\SQL\Expression;
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use Core\Driver\SQL\Condition\Condition;
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use Core\Driver\SQL\SQL;
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class CaseWhen extends Expression {
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private Condition $condition;
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private $trueCase;
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private $falseCase;
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public function __construct(Condition $condition, $trueCase, $falseCase) {
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$this->condition = $condition;
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$this->trueCase = $trueCase;
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$this->falseCase = $falseCase;
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}
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public function getCondition(): Condition { return $this->condition; }
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public function getTrueCase() { return $this->trueCase; }
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public function getFalseCase() { return $this->falseCase; }
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function getExpression(SQL $sql, array &$params): string {
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$condition = $sql->buildCondition($this->getCondition(), $params);
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// psql requires constant values here
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$trueCase = $sql->addValue($this->getTrueCase(), $params, true);
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$falseCase = $sql->addValue($this->getFalseCase(), $params, true);
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return "CASE WHEN $condition THEN $trueCase ELSE $falseCase END";
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}
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} |