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vendor/nette/database/src/Database/Context.php

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+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+namespace Nette\Database;
+
+use Nette;
+use Nette\Database\Conventions\StaticConventions;
+
+
+/**
+ * Database context.
+ */
+class Context
+{
+	use Nette\SmartObject;
+
+	/** @var Connection */
+	private $connection;
+
+	/** @var IStructure */
+	private $structure;
+
+	/** @var IConventions */
+	private $conventions;
+
+	/** @var Nette\Caching\IStorage */
+	private $cacheStorage;
+
+
+	public function __construct(Connection $connection, IStructure $structure, IConventions $conventions = null, Nette\Caching\IStorage $cacheStorage = null)
+	{
+		$this->connection = $connection;
+		$this->structure = $structure;
+		$this->conventions = $conventions ?: new StaticConventions;
+		$this->cacheStorage = $cacheStorage;
+	}
+
+
+	/** @return void */
+	public function beginTransaction()
+	{
+		$this->connection->beginTransaction();
+	}
+
+
+	/** @return void */
+	public function commit()
+	{
+		$this->connection->commit();
+	}
+
+
+	/** @return void */
+	public function rollBack()
+	{
+		$this->connection->rollBack();
+	}
+
+
+	/**
+	 * @param  string  sequence object
+	 * @return string
+	 */
+	public function getInsertId($name = null)
+	{
+		return $this->connection->getInsertId($name);
+	}
+
+
+	/**
+	 * Generates and executes SQL query.
+	 * @param  string
+	 * @return ResultSet
+	 */
+	public function query($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params);
+	}
+
+
+	/**
+	 * @param  string
+	 * @return ResultSet
+	 */
+	public function queryArgs($sql, array $params)
+	{
+		return $this->connection->query($sql, ...$params);
+	}
+
+
+	/**
+	 * @param  string
+	 * @return Table\Selection
+	 */
+	public function table($table)
+	{
+		return new Table\Selection($this, $this->conventions, $table, $this->cacheStorage);
+	}
+
+
+	/** @return Connection */
+	public function getConnection()
+	{
+		return $this->connection;
+	}
+
+
+	/** @return IStructure */
+	public function getStructure()
+	{
+		return $this->structure;
+	}
+
+
+	/** @return IConventions */
+	public function getConventions()
+	{
+		return $this->conventions;
+	}
+
+
+	/********************* shortcuts ****************d*g**/
+
+
+	/**
+	 * Shortcut for query()->fetch()
+	 * @param  string
+	 * @return Row
+	 */
+	public function fetch($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params)->fetch();
+	}
+
+
+	/**
+	 * Shortcut for query()->fetchField()
+	 * @param  string
+	 * @return mixed
+	 */
+	public function fetchField($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params)->fetchField();
+	}
+
+
+	/**
+	 * Shortcut for query()->fetchFields()
+	 * @param  string
+	 * @return array|null
+	 */
+	public function fetchFields($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params)->fetchFields();
+	}
+
+
+	/**
+	 * Shortcut for query()->fetchPairs()
+	 * @param  string
+	 * @return array
+	 */
+	public function fetchPairs($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params)->fetchPairs();
+	}
+
+
+	/**
+	 * Shortcut for query()->fetchAll()
+	 * @param  string
+	 * @return array
+	 */
+	public function fetchAll($sql, ...$params)
+	{
+		return $this->connection->query($sql, ...$params)->fetchAll();
+	}
+
+
+	/**
+	 * @return SqlLiteral
+	 */
+	public static function literal($value, ...$params)
+	{
+		return new SqlLiteral($value, $params);
+	}
+}