255 lines
7.2 KiB
PHP
255 lines
7.2 KiB
PHP
<?php
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/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCP\DB\QueryBuilder;
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/**
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* This class provides a wrapper around Doctrine's ExpressionBuilder
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* @since 8.2.0
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*/
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interface IExpressionBuilder {
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/**
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* Creates a conjunction of the given boolean expressions.
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*
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* Example:
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*
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* [php]
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* // (u.type = ?) AND (u.role = ?)
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* $expr->andX('u.type = ?', 'u.role = ?'));
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*
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* @param mixed $x Optional clause. Defaults = null, but requires
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* at least one defined when converting to string.
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*
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* @return \OCP\DB\QueryBuilder\ICompositeExpression
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* @since 8.2.0
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*/
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public function andX($x = null);
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/**
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* Creates a disjunction of the given boolean expressions.
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*
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* Example:
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*
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* [php]
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* // (u.type = ?) OR (u.role = ?)
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* $qb->where($qb->expr()->orX('u.type = ?', 'u.role = ?'));
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*
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* @param mixed $x Optional clause. Defaults = null, but requires
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* at least one defined when converting to string.
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*
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* @return \OCP\DB\QueryBuilder\ICompositeExpression
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* @since 8.2.0
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*/
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public function orX($x = null);
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/**
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* Creates a comparison expression.
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*
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* @param mixed $x The left expression.
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* @param string $operator One of the ExpressionBuilder::* constants.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function comparison($x, $operator, $y);
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/**
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* Creates an equality comparison expression with the given arguments.
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*
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> = <right expr>. Example:
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*
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* [php]
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* // u.id = ?
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* $expr->eq('u.id', '?');
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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* @param int|null $type @since 9.0.0 one of the \PDO::PARAM_* constants
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* required when comparing text fields for oci compatibility.
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*
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* @return string
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* @since 8.2.0
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*/
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public function eq($x, $y, $type = null);
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/**
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* Creates a non equality comparison expression with the given arguments.
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> <> <right expr>. Example:
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*
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* [php]
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* // u.id <> 1
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* $q->where($q->expr()->neq('u.id', '1'));
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function neq($x, $y);
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/**
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* Creates a lower-than comparison expression with the given arguments.
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> < <right expr>. Example:
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*
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* [php]
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* // u.id < ?
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* $q->where($q->expr()->lt('u.id', '?'));
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function lt($x, $y);
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/**
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* Creates a lower-than-equal comparison expression with the given arguments.
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> <= <right expr>. Example:
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*
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* [php]
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* // u.id <= ?
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* $q->where($q->expr()->lte('u.id', '?'));
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function lte($x, $y);
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/**
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* Creates a greater-than comparison expression with the given arguments.
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> > <right expr>. Example:
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*
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* [php]
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* // u.id > ?
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* $q->where($q->expr()->gt('u.id', '?'));
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function gt($x, $y);
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/**
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* Creates a greater-than-equal comparison expression with the given arguments.
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* First argument is considered the left expression and the second is the right expression.
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* When converted to string, it will generated a <left expr> >= <right expr>. Example:
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*
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* [php]
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* // u.id >= ?
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* $q->where($q->expr()->gte('u.id', '?'));
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*
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* @param mixed $x The left expression.
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* @param mixed $y The right expression.
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*
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* @return string
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* @since 8.2.0
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*/
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public function gte($x, $y);
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/**
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* Creates an IS NULL expression with the given arguments.
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*
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* @param string $x The field in string format to be restricted by IS NULL.
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*
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* @return string
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* @since 8.2.0
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*/
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public function isNull($x);
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/**
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* Creates an IS NOT NULL expression with the given arguments.
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*
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* @param string $x The field in string format to be restricted by IS NOT NULL.
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*
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* @return string
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* @since 8.2.0
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*/
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public function isNotNull($x);
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/**
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* Creates a LIKE() comparison expression with the given arguments.
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*
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* @param string $x Field in string format to be inspected by LIKE() comparison.
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* @param mixed $y Argument to be used in LIKE() comparison.
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*
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* @return string
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* @since 8.2.0
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*/
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public function like($x, $y);
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/**
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* Creates a NOT LIKE() comparison expression with the given arguments.
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*
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* @param string $x Field in string format to be inspected by NOT LIKE() comparison.
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* @param mixed $y Argument to be used in NOT LIKE() comparison.
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*
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* @return string
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* @since 8.2.0
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*/
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public function notLike($x, $y);
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/**
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* Creates a IN () comparison expression with the given arguments.
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*
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* @param string $x The field in string format to be inspected by IN() comparison.
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* @param string|array $y The placeholder or the array of values to be used by IN() comparison.
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*
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* @return string
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* @since 8.2.0
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*/
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public function in($x, $y);
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/**
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* Creates a NOT IN () comparison expression with the given arguments.
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*
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* @param string $x The field in string format to be inspected by NOT IN() comparison.
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* @param string|array $y The placeholder or the array of values to be used by NOT IN() comparison.
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*
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* @return string
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* @since 8.2.0
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*/
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public function notIn($x, $y);
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/**
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* Quotes a given input parameter.
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*
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* @param mixed $input The parameter to be quoted.
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* @param string|null $type The type of the parameter.
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*
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* @return string
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* @since 8.2.0
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*/
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public function literal($input, $type = null);
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}
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