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<?php
namespace Wikimedia\Rdbms;
use Wikimedia\Rdbms\Database\DbQuoter;
/**
* @since 1.42
*/
interface IExpression {
public const ACCEPTABLE_OPERATORS = [ '>', '<', '!=', '=', '>=', '<=', self::LIKE, self::NOT_LIKE ];
public const LIKE = 'LIKE';
public const NOT_LIKE = 'NOT LIKE';
/**
* Return SQL for execution.
* @internal
*/
public function toSql( DbQuoter $dbQuoter ): string;
/**
* Return SQL for aggregated logging.
*
* Replaces values with placeholders.
*
* @internal
*/
public function toGeneralizedSql(): string;
}
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