added reflection for Table, Column, Index, ForeignKey

src/Database/Connection.php

@@ -113,6 +113,12 @@ public function getSupplementalDriver(): Driver
 	}
 
 
+	public function getReflection(): Reflection
+	{
+		return new Reflection($this->getDriver());
+	}
+
+
 	public function setRowNormalizer(?callable $normalizer): static
 	{
 		$this->rowNormalizer = $normalizer;

src/Database/Reflection.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Database;
+
+
+final class Reflection
+{
+	public function __construct(
+		private readonly Driver $driver,
+	) {
+	}
+
+
+	/** @return Reflection\Table[] */
+	public function getTables(): array
+	{
+		return array_map(
+			fn($row) => new Reflection\Table($this->driver, ...$row),
+			$this->driver->getTables(),
+		);
+	}
+
+
+	/** @return string[] */
+	public function getTableNames(): array
+	{
+		return array_map(
+			fn($row) => $row['name'],
+			$this->driver->getTables(),
+		);
+	}
+}

src/Database/Reflection/Column.php

@@ -0,0 +1,39 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Database\Reflection;
+
+use Nette\Database\Driver;
+
+
+/**
+ * Table or result set column reflection.
+ */
+final class Column
+{
+	public function __construct(
+		private readonly Driver $driver,
+		public readonly string $name,
+		public readonly ?string $table = null,
+		public readonly string $nativeType = '',
+		public readonly ?int $size = null,
+		public readonly bool $nullable = false,
+		public readonly mixed $default = null,
+		public readonly bool $autoIncrement = false,
+		public readonly bool $primary = false,
+		public readonly array $vendor = [],
+	) {
+	}
+
+
+	public function __toString(): string
+	{
+		return $this->name;
+	}
+}

src/Database/Reflection/ForeignKey.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Database\Reflection;
+
+use Nette\Database\Driver;
+
+
+/**
+ * Foreign key reflection.
+ */
+final class ForeignKey
+{
+	public function __construct(
+		private readonly Driver $driver,
+		public readonly string $name,
+		public readonly array $columns,
+		public readonly string $targetTable,
+		public readonly array $targetColumns,
+	) {
+	}
+
+
+	public function __toString(): string
+	{
+		return $this->name;
+	}
+}

src/Database/Reflection/Index.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Database\Reflection;
+
+use Nette\Database\Driver;
+
+
+/**
+ * Index reflection.
+ */
+final class Index
+{
+	public function __construct(
+		private readonly Driver $driver,
+		public readonly string $name,
+		public readonly array $columns,
+		public readonly bool $unique = false,
+		public readonly bool $primary = false,
+	) {
+	}
+
+
+	public function __toString(): string
+	{
+		return $this->name;
+	}
+}

src/Database/Reflection/Table.php

@@ -0,0 +1,106 @@
+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Database\Reflection;
+
+use Nette\Database\Driver;
+
+
+/**
+ * Table reflection.
+ */
+final class Table
+{
+	private array $columns;
+
+
+	public function __construct(
+		private readonly Driver $driver,
+		public readonly string $name,
+		public readonly bool $view = false,
+		public readonly ?string $fullName = null,
+	) {
+	}
+
+
+	/** @return Column[] */
+	public function getColumns(): array
+	{
+		return array_map(
+			fn($row) => new Column($this->driver, $row['name'], $row['table'], $row['nativetype'], $row['size'], $row['nullable'], $row['default'], $row['autoincrement'], $row['primary'], $row['vendor']),
+			$this->columns(),
+		);
+	}
+
+
+	public function getColumn(string $name): Column
+	{
+		return $this->columns()[$name] ?? throw new \InvalidArgumentException("Column '$name' not found in table '$this->name'.");
+	}
+
+
+	/** @return string[] */
+	public function getColumnNames(): array
+	{
+		return array_map(
+			fn($row) => $row['name'],
+			$this->columns(),
+		);
+	}
+
+
+	/** @return string[] */
+	public function getPrimaryKeys(): array
+	{
+		return array_map(
+			fn($row) => $row['name'],
+			array_filter(
+				$this->columns(),
+				fn($row) => $row['primary'],
+			),
+		);
+	}
+
+
+	/** @return Index[] */
+	public function getIndexes(): array
+	{
+		return array_map(
+			fn($row) => new Index($this->driver, ...$row),
+			$this->driver->getIndexes($this->name),
+		);
+	}
+
+
+	/** @return ForeignKey[] */
+	public function getForeignKeys(): array
+	{
+		$tmp = [];
+		foreach ($this->driver->getForeignKeys($this->name) as $row) {
+			$id = $row['name'];
+			$tmp[$id]['name'] = $id;
+			$tmp[$id]['columns'][] = $row['local'];
+			$tmp[$id]['targetTable'] = $row['table'];
+			$tmp[$id]['targetColumns'][] = $row['foreign'];
+		}
+		return array_map(fn($row) => new ForeignKey($this->driver, ...$row), $tmp);
+	}
+
+
+	private function columns(): array
+	{
+		return $this->columns ??= $this->driver->getColumns($this->name);
+	}
+
+
+	public function __toString(): string
+	{
+		return $this->name;
+	}
+}