web-base/Core/Driver/SQL/Condition/Compare.class.php

35 lines
955 B
PHP

<?php
namespace Core\Driver\SQL\Condition;
use Core\Driver\SQL\SQL;
class Compare extends Condition {
private string $operator;
private string $column;
private $value;
public function __construct(string $col, $val, string $operator = '=') {
$this->operator = $operator;
$this->column = $col;
$this->value = $val;
}
public function getColumn(): string { return $this->column; }
public function getValue() { return $this->value; }
public function getOperator(): string { return $this->operator; }
function getExpression(SQL $sql, array &$params): string {
if ($this->value === null) {
if ($this->operator === "=") {
return $sql->columnName($this->column) . " IS NULL";
} else if ($this->operator === "!=") {
return $sql->columnName($this->column) . " IS NOT NULL";
}
}
return $sql->columnName($this->column) . $this->operator . $sql->addValue($this->value, $params);
}
}