From 2b3470d95275ebc6d7bcf181c4de01f1295c7da6 Mon Sep 17 00:00:00 2001
From: Matthieu Napoli <matthieu@mnapoli.fr>
Date: Tue, 11 Nov 2014 16:27:35 +1300
Subject: [PATCH] Added Piwik\Sequence::exists()
---
core/Sequence.php | 12 ++++++++++++
tests/PHPUnit/Integration/SequenceTest.php | 12 ++++++++++++
2 files changed, 24 insertions(+)
diff --git a/core/Sequence.php b/core/Sequence.php
index d755ad6d06..fa95b0b07c 100644
--- a/core/Sequence.php
+++ b/core/Sequence.php
@@ -65,6 +65,18 @@ class Sequence
return $initialValue;
}
+ /**
+ * Returns true if the sequence exist.
+ *
+ * @return bool
+ */
+ public function exists()
+ {
+ $query = $this->db->query('SELECT * FROM ' . $this->getTableName() . ' WHERE name = ?', $this->name);
+
+ return $query->rowCount() > 0;
+ }
+
/**
* Get / allocate / reserve a new id for the current sequence. Important: Getting the next id will fail in case
* no such sequence exists. Make sure to create one if needed, see {@link create()}.
diff --git a/tests/PHPUnit/Integration/SequenceTest.php b/tests/PHPUnit/Integration/SequenceTest.php
index b4ac1a20fc..fbdc1b904b 100644
--- a/tests/PHPUnit/Integration/SequenceTest.php
+++ b/tests/PHPUnit/Integration/SequenceTest.php
@@ -87,6 +87,18 @@ class SequenceTest extends IntegrationTestCase
$this->assertNull($id);
}
+ public function test_exists_shouldReturnTrueIfSequenceExist()
+ {
+ $sequence = $this->getExistingSequence();
+ $this->assertTrue($sequence->exists());
+ }
+
+ public function test_exists_shouldReturnFalseIfSequenceExist()
+ {
+ $sequence = $this->getEmptySequence();
+ $this->assertFalse($sequence->exists());
+ }
+
private function assertNextIdGenerated(Sequence $sequence, $expectedId)
{
$id = $sequence->getNextId();
--
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