IExpression.php
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IExpression.php
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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;
	}