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https://github.com/Part-DB/Part-DB-server.git
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e223078af9
This is required only for postgres as every other database is case invariant by default. But to achieve a portable way, we implement it via a custom DQL function. This fixes issue #784
71 lines
No EOL
2.5 KiB
PHP
71 lines
No EOL
2.5 KiB
PHP
<?php
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/*
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* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
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*
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* Copyright (C) 2019 - 2024 Jan Böhmer (https://github.com/jbtronics)
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*
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* This program 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 as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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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
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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declare(strict_types=1);
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namespace App\Doctrine\Functions;
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use Doctrine\DBAL\Platforms\AbstractMySQLPlatform;
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use Doctrine\DBAL\Platforms\PostgreSQLPlatform;
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use Doctrine\DBAL\Platforms\SQLitePlatform;
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use Doctrine\ORM\Query\AST\Functions\FunctionNode;
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use Doctrine\ORM\Query\Parser;
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use Doctrine\ORM\Query\SqlWalker;
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use Doctrine\ORM\Query\TokenType;
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/**
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* A platform invariant version of the case-insensitive LIKE operation.
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* On MySQL and SQLite this is the normal LIKE, but on PostgreSQL it is the ILIKE operator.
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*/
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class ILike extends FunctionNode
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{
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public $value = null;
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public $expr = null;
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public function parse(Parser $parser): void
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{
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$parser->match(TokenType::T_IDENTIFIER);
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$parser->match(TokenType::T_OPEN_PARENTHESIS);
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$this->value = $parser->StringPrimary();
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$parser->match(TokenType::T_COMMA);
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$this->expr = $parser->StringExpression();
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$parser->match(TokenType::T_CLOSE_PARENTHESIS);
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}
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public function getSql(SqlWalker $sqlWalker): string
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{
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$platform = $sqlWalker->getConnection()->getDatabasePlatform();
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//
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if ($platform instanceof AbstractMySQLPlatform || $platform instanceof SQLitePlatform) {
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$operator = 'LIKE';
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} elseif ($platform instanceof PostgreSQLPlatform) {
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//Use the case-insensitive operator, to have the same behavior as MySQL
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$operator = 'ILIKE';
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} else {
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throw new \RuntimeException('Platform ' . gettype($platform) . ' does not support case insensitive like expressions.');
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}
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return '(' . $this->value->dispatch($sqlWalker) . ' ' . $operator . ' ' . $this->expr->dispatch($sqlWalker) . ')';
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}
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} |