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<?php |
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|
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namespace FluentSupport\Database\Migrations; |
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|
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class MetaMigrator |
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{ |
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static $tableName = 'fs_meta'; |
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|
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public static function migrate() |
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{ |
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global $wpdb; |
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|
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$charsetCollate = $wpdb->get_charset_collate(); |
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|
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$table = $wpdb->prefix . static::$tableName; |
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|
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if ($wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table)) != $table) { |
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$sql = "CREATE TABLE $table ( |
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`id` BIGINT(20) UNSIGNED NOT NULL PRIMARY KEY AUTO_INCREMENT, |
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`object_type` VARCHAR(192) NULL, |
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`object_id` BIGINT(20) NULL, |
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`key` VARCHAR(192) NULL, |
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`value` LONGTEXT NULL, |
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`created_at` TIMESTAMP NULL, |
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`updated_at` TIMESTAMP NULL, |
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INDEX `idx_object_type` (`object_type`), |
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INDEX `idx_object_id` (`object_id`), |
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INDEX `idx_key` (`key`) |
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) $charsetCollate;"; |
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$created = dbDelta($sql); |
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return $created; |
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} else { |
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static::alterTable($table); |
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} |
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|
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return false; |
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} |
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|
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public static function alterTable($table) |
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{ |
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static::addMissingIndexes($table); |
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} |
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|
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public static function addMissingIndexes($table) |
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{ |
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global $wpdb; |
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|
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// $table is always $wpdb->prefix . 'fs_meta' — not user input. |
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// esc_sql() is the correct escaping for SQL identifiers; $wpdb->prepare() |
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// cannot quote identifiers in WP < 6.2 (no %i placeholder available). |
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$table = esc_sql($table); |
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|
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// Get existing indexes |
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$existing_indexes = $wpdb->get_results("SHOW INDEX FROM `{$table}`"); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
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$existing_index_names = []; |
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|
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foreach ($existing_indexes as $index) { |
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$existing_index_names[] = $index->Key_name; |
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} |
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|
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// Desired indexes — keys and values are all hardcoded string literals. |
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$indexes = [ |
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'idx_object_type' => 'object_type', |
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'idx_object_id' => 'object_id', |
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'idx_key' => 'key', |
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]; |
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|
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// Add missing indexes. $table is esc_sql()'d above; $index_name and |
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// $column_name are hardcoded array literals — no user input reaches this query. |
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foreach ($indexes as $index_name => $column_name) { |
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if (!in_array($index_name, $existing_index_names)) { |
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// phpcs:ignore PluginCheck.Security.DirectDB.UnescapedDBParameter,WordPress.DB.PreparedSQL.NotPrepared -- all identifiers are either esc_sql()'d or hardcoded literals. |
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$wpdb->query("ALTER TABLE `{$table}` ADD INDEX `{$index_name}` (`{$column_name}`)"); |
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} |
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} |
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} |
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} |
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|
