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<?php |
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/** |
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* |
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* Precise Similar Topics |
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* |
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* @copyright (c) 2014 Matt Friedman |
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* @license GNU General Public License, version 2 (GPL-2.0) |
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* |
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*/ |
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namespace vse\similartopics\migrations; |
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class release_1_3_0_fulltext extends \phpbb\db\migration\migration |
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{ |
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public function effectively_installed() |
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{ |
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return !isset($this->config['similar_topics_fulltext']); |
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} |
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static public function depends_on() |
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{ |
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return array('\vse\similartopics\migrations\release_1_3_0_data'); |
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} |
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public function revert_data() |
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{ |
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return array( |
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// Revert the storage engine back to the original setting if it was stored |
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array('if', array( |
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(!empty($this->config['similar_topics_fulltext'])), |
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array('custom', array(array($this, 'revert_fulltext_changes'))), |
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)), |
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// Remove the config holding the original storage engine setting if it exists |
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array('if', array( |
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(isset($this->config['similar_topics_fulltext'])), |
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array('config.remove', array('similar_topics_fulltext')), |
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)), |
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); |
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} |
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/** |
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* Drop the FULLTEXT index on phpbb_topics.topic_title |
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* Convert phpbb_topics back to the original storage engine |
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*/ |
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public function revert_fulltext_changes() |
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{ |
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$fulltext = new \vse\similartopics\core\fulltext_support($this->db); |
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// Drop the FULLTEXT index |
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if ($fulltext->index('topic_title')) |
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{ |
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$sql = 'ALTER TABLE ' . TOPICS_TABLE . ' DROP INDEX topic_title'; |
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$this->db->sql_query($sql); |
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} |
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// Revert the storage engine back to its original setting |
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$sql = 'ALTER TABLE ' . TOPICS_TABLE . ' ENGINE = ' . $this->db->sql_escape(strtoupper($this->config['similar_topics_fulltext'])); |
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$this->db->sql_query($sql); |
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} |
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} |
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iMattPro /
similartopics
