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