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https://github.com/YunoHost-Apps/webtrees_ynh.git
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48 lines
1.7 KiB
PHP
48 lines
1.7 KiB
PHP
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<?php
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/**
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* webtrees: online genealogy
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* Copyright (C) 2016 webtrees development team
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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 General Public License as published by
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* 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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* 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 General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Fisharebest\Webtrees\Module\FamilyTreeFavorites\Schema;
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use Fisharebest\Webtrees\Database;
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use Fisharebest\Webtrees\Schema\MigrationInterface;
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use PDOException;
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/**
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* Upgrade the database schema from version 2 to version 3.
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*/
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class Migration2 implements MigrationInterface {
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/** {@inheritDoc} */
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public function upgrade() {
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// Add foreign key constraints
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// Delete any data that might violate the new constraints
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Database::exec(
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"DELETE FROM `##favorite`" .
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" WHERE user_id NOT IN (SELECT user_id FROM `##user` )" .
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" OR gedcom_id NOT IN (SELECT gedcom_id FROM `##gedcom`)"
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);
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// Add the new constraints
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try {
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Database::exec(
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"ALTER TABLE `##favorite`" .
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" ADD FOREIGN KEY `##favorite_fk1` (user_id ) REFERENCES `##user` (user_id) ON DELETE CASCADE," .
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" ADD FOREIGN KEY `##favorite_fk2` (gedcom_id) REFERENCES `##gedcom` (gedcom_id) ON DELETE CASCADE"
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);
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} catch (PDOException $ex) {
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// Already updated?
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}
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}
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}
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