Initial commit

public/kirby/src/Database/Sql/Mysql.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Kirby\Database\Sql;
+
+use Kirby\Database\Sql;
+
+/**
+ * MySQL query builder
+ *
+ * @package   Kirby Database
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://opensource.org/licenses/MIT
+ */
+class Mysql extends Sql
+{
+	/**
+	 * Returns a query to list the columns of a specified table;
+	 * the query needs to return rows with a column `name`
+	 *
+	 * @param string $table Table name
+	 */
+	public function columns(string $table): array
+	{
+		$databaseBinding = $this->bindingName('database');
+		$tableBinding    = $this->bindingName('table');
+
+		$query  = 'SELECT COLUMN_NAME AS name FROM INFORMATION_SCHEMA.COLUMNS ';
+		$query .= 'WHERE TABLE_SCHEMA = ' . $databaseBinding . ' AND TABLE_NAME = ' . $tableBinding;
+
+		return [
+			'query'    => $query,
+			'bindings' => [
+				$databaseBinding => $this->database->name(),
+				$tableBinding    => $table,
+			]
+		];
+	}
+
+	/**
+	 * Returns a query to list the tables of the current database;
+	 * the query needs to return rows with a column `name`
+	 */
+	public function tables(): array
+	{
+		$binding = $this->bindingName('database');
+
+		return [
+			'query'    => 'SELECT TABLE_NAME AS name FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ' . $binding,
+			'bindings' => [
+				$binding => $this->database->name()
+			]
+		];
+	}
+}