forked from rebillar/site-accueil-insa
52 lines
1.5 KiB
PHP
52 lines
1.5 KiB
PHP
<?php
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/**
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* Matomo - free/libre analytics platform
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*
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* @link https://matomo.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*/
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namespace Piwik\Updater\Migration\Db;
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/**
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* @see Factory::addIndex()
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* @ignore
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*/
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class AddIndex extends Sql
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{
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protected $indexType = 'INDEX';
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protected $indexNamePrefix = 'index';
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/**
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* AddIndex constructor.
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* @param string $table
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* @param array $columnNames
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* @param string $indexName
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*/
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public function __construct($table, $columnNames, $indexName)
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{
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$columns = array();
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$columnNamesOnly = array();
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foreach ($columnNames as $columnName) {
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$columnName = str_replace(' ', '', $columnName); // eg "column_name (10)" => "column_name(10)"
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preg_match('/^([\w]+)(\(?\d*\)?)$/', $columnName, $matches); // match "column_name" and "column_name(10)"
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$nameOnly = $matches[1]; // eg "column_name"
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$columnNamesOnly[] = $nameOnly;
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$column = "`$nameOnly`";
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if (!empty($matches[2])) {
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$column .= ' ' . $matches[2]; // eg "(10)"
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}
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$columns[] = $column;
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}
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if (empty($indexName)) {
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$indexName = $this->indexNamePrefix . '_' . implode('_', $columnNamesOnly);
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}
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$sql = sprintf("ALTER TABLE `%s` ADD %s %s (%s)", $table, $this->indexType, $indexName, implode(', ', $columns));
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parent::__construct($sql, array(static::ERROR_CODE_DUPLICATE_KEY, static::ERROR_CODE_KEY_COLUMN_NOT_EXISTS));
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}
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}
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