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138 lines
2.5 KiB
PHP
138 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OCP\DB;
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use Exception as BaseException;
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/**
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* Database exception
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*
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* Thrown by Nextcloud's database abstraction layer. This is the base class that
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* any specific exception will extend. Use this class in your try-catch to catch
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* *any* error related to the database. Use any of the subclasses in the same
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* namespace if you are only interested in specific errors.
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*
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* @psalm-immutable
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* @since 21.0.0
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*/
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class Exception extends BaseException {
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/**
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* Nextcloud lost connection to the database
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*
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* @since 21.0.0
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*/
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public const REASON_CONNECTION_LOST = 1;
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/**
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* A database constraint was violated
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*
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* @since 21.0.0
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*/
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public const REASON_CONSTRAINT_VIOLATION = 2;
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/**
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* A database object (table, column, index) already exists
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*
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* @since 21.0.0
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*/
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public const REASON_DATABASE_OBJECT_EXISTS = 3;
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/**
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* A database object (table, column, index) can't be found
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*
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* @since 21.0.0
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*/
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public const REASON_DATABASE_OBJECT_NOT_FOUND = 4;
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/**
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* The database ran into a deadlock
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*
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* @since 21.0.0
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*/
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public const REASON_DEADLOCK = 5;
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/**
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* The database driver encountered an issue
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*
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* @since 21.0.0
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*/
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public const REASON_DRIVER = 6;
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/**
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* A foreign key constraint was violated
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*
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* @since 21.0.0
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*/
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public const REASON_FOREIGN_KEY_VIOLATION = 7;
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/**
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* An invalid argument was passed to the database abstraction
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*
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* @since 21.0.0
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*/
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public const REASON_INVALID_ARGUMENT = 8;
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/**
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* A field name was invalid
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*
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* @since 21.0.0
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*/
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public const REASON_INVALID_FIELD_NAME = 9;
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/**
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* A name in the query was ambiguous
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*
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* @since 21.0.0
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*/
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public const REASON_NON_UNIQUE_FIELD_NAME = 10;
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/**
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* A not null constraint was violated
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*
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* @since 21.0.0
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*/
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public const REASON_NOT_NULL_CONSTRAINT_VIOLATION = 11;
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/**
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* A generic server error was encountered
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*
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* @since 21.0.0
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*/
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public const REASON_SERVER = 12;
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/**
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* A syntax error was reported by the server
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*
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* @since 21.0.0
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*/
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public const REASON_SYNTAX_ERROR = 13;
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/**
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* A unique constraint was violated
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*
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* @since 21.0.0
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*/
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public const REASON_UNIQUE_CONSTRAINT_VIOLATION = 14;
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/**
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* The lock wait timeout was exceeded
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*
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* @since 30.0.0
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*/
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public const REASON_LOCK_WAIT_TIMEOUT = 15;
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/**
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* @return int|null
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* @psalm-return Exception::REASON_*
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* @since 21.0.0
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*/
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public function getReason(): ?int {
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return null;
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}
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}
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