58 lines
1.5 KiB
PHP
58 lines
1.5 KiB
PHP
<?php if ( ! defined( 'ABSPATH' ) ) exit;
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class NF_Database_Migrations_ObjectMeta extends NF_Abstracts_Migration
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{
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/**
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* Constructor method for the NF_Database_Migrations_ObjectMeta class.
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*
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* @since 3.0.0
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*/
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public function __construct()
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{
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parent::__construct(
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'nf3_object_meta',
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'nf_migration_create_table_object_meta'
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);
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}
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/**
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* Function to run our initial migration.
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*
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* @since 3.0.0
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*
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* @updated 3.4.0
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*/
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public function run()
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{
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$query = "CREATE TABLE IF NOT EXISTS {$this->table_name()} (
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`id` int NOT NULL AUTO_INCREMENT,
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`parent_id` int NOT NULL,
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`key` longtext NOT NULL,
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`value` longtext,
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`meta_key` longtext,
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`meta_value` longtext,
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UNIQUE KEY (`id`)
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) {$this->charset_collate( true )};";
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dbDelta( $query );
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}
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/**
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* Function to ensure proper collation of the object_meta table.
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*
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* @since 3.4.0
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*/
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public function cache_collate_objects()
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{
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// If the meta_key column has not already been defined...
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if ( ! $this->column_exists( 'meta_key' ) ) {
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global $wpdb;
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// Modify our table.
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$query = "ALTER TABLE {$this->table_name()}
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ADD `meta_key` longtext {$this->charset_collate()},
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ADD `meta_value` longtext {$this->charset_collate()};";
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$wpdb->query( $query );
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}
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}
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}
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