<?php

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namespace Yoast\WP\SEO\Config\Migrations;

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use Yoast\WP\Lib\Migrations\Migration;

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use Yoast\WP\Lib\Model;

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/**

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* Class AddCollationToTables.

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*/

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class AddCollationToTables extends Migration {

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/**

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* The plugin this migration belongs to.

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*

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* @var string

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*/

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public static $plugin = 'free';

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/**

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* Migration up.

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*/

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public function up() {

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global $wpdb;

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$charset_collate = $wpdb->get_charset_collate();

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if ( empty( $charset_collate ) ) {

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return;

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}

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$tables = [

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Model::get_table_name( 'migrations' ),

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Model::get_table_name( 'Indexable' ),

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Model::get_table_name( 'Indexable_Hierarchy' ),

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Model::get_table_name( 'Primary_Term' ),

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];

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foreach ( $tables as $table ) {

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$this->query( 'ALTER TABLE ' . $table . ' CONVERT TO ' . \str_replace( 'DEFAULT ', '', $charset_collate ) );

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}

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}

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/**

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* Migration down.

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*/

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public function down() {

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// No down required.

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}

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}

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