From 34c0172c5f1f5a152cd2d5ced0cab6d528ea5746 Mon Sep 17 00:00:00 2001
From: foxycode <foxycode@sunfox.cz>
Date: Sun, 28 Jun 2015 13:56:15 +0200
Subject: [PATCH] Selection: added fetchField()

---
 src/Database/Table/Selection.php              | 20 ++++++++++++++++
 .../Table/Selection.fetchField().phpt         | 24 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 tests/Database/Table/Selection.fetchField().phpt

diff --git a/src/Database/Table/Selection.php b/src/Database/Table/Selection.php
index cce1a63df..296b3c97e 100644
--- a/src/Database/Table/Selection.php
+++ b/src/Database/Table/Selection.php
@@ -223,6 +223,26 @@ public function fetch()
 	}
 
 
+	/**
+	 * Fetches single field.
+	 * @param  string|NULL
+	 * @return mixed|FALSE
+	 */
+	public function fetchField($column = NULL)
+	{
+		if ($column) {
+			$this->select($column);
+		}
+
+		$row = $this->fetch();
+		if ($row) {
+			return $column ? $row[$column] : array_values($row->toArray())[0];
+		}
+
+		return FALSE;
+	}
+
+
 	/**
 	 * @inheritDoc
 	 */
diff --git a/tests/Database/Table/Selection.fetchField().phpt b/tests/Database/Table/Selection.fetchField().phpt
new file mode 100644
index 000000000..9a54a10b2
--- /dev/null
+++ b/tests/Database/Table/Selection.fetchField().phpt
@@ -0,0 +1,24 @@
+<?php
+
+/**
+ * Test: Nette\Database\Table: Fetch field.
+ * @dataProvider? ../databases.ini
+ */
+
+use Tester\Assert;
+
+require __DIR__ . '/../connect.inc.php'; // create $connection
+
+Nette\Database\Helpers::loadFromFile($connection, __DIR__ . "/../files/{$driverName}-nette_test1.sql");
+
+
+test(function () use ($context) {
+	$title = $context->table('book')->where('id', 1)->fetchField('title');  // SELECT `title` FROM `book` WHERE `id` = 1
+	Assert::same('1001 tipu a triku pro PHP', $title);
+});
+
+
+test(function () use ($context) {
+	$title = $context->table('book')->where('id', 1)->select('title')->fetchField();  // SELECT `title` FROM `book` WHERE `id` = 1
+	Assert::same('1001 tipu a triku pro PHP', $title);
+});