22 lines
454 B
PHP
22 lines
454 B
PHP
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<?php
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namespace Core\Driver\SQL\Expression;
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use Core\Driver\SQL\SQL;
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class NullIf extends Expression {
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private mixed $lhs;
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private mixed $rhs;
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public function __construct(mixed $lhs, mixed $rhs) {
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$this->lhs = $lhs;
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$this->rhs = $rhs;
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}
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function getExpression(SQL $sql, array &$params): string {
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$lhs = $sql->addValue($this->lhs, $params);
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$rhs = $sql->addValue($this->rhs, $params);
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return "NULLIF($lhs, $rhs)";
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}
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}
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