From a1661af17c9054a6c399dd9d5220f8d6a5091fa2 Mon Sep 17 00:00:00 2001
From: Jeremy Benoist <jeremy.benoist@gmail.com>
Date: Tue, 12 Dec 2017 12:14:40 +0100
Subject: Add custom driver & schema manager for PostgreSQL 10

---
 .../DBAL/Driver/CustomPostgreSQLDriver.php         | 25 ++++++++++++++
 .../DBAL/Schema/CustomPostgreSqlSchemaManager.php  | 38 ++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 src/Wallabag/CoreBundle/Doctrine/DBAL/Driver/CustomPostgreSQLDriver.php
 create mode 100644 src/Wallabag/CoreBundle/Doctrine/DBAL/Schema/CustomPostgreSqlSchemaManager.php

(limited to 'src/Wallabag')

diff --git a/src/Wallabag/CoreBundle/Doctrine/DBAL/Driver/CustomPostgreSQLDriver.php b/src/Wallabag/CoreBundle/Doctrine/DBAL/Driver/CustomPostgreSQLDriver.php
new file mode 100644
index 00000000..eb5b203f
--- /dev/null
+++ b/src/Wallabag/CoreBundle/Doctrine/DBAL/Driver/CustomPostgreSQLDriver.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Wallabag\CoreBundle\Doctrine\DBAL\Driver;
+
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\Driver\PDOPgSql\Driver;
+use Wallabag\CoreBundle\Doctrine\DBAL\Schema\CustomPostgreSqlSchemaManager;
+
+/**
+ * This custom driver allow to use a different schema manager
+ * So we can fix the PostgreSQL 10 problem.
+ *
+ * @see https://github.com/wallabag/wallabag/issues/3479
+ * @see https://github.com/doctrine/dbal/issues/2868
+ */
+class CustomPostgreSQLDriver extends Driver
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getSchemaManager(Connection $conn)
+    {
+        return new CustomPostgreSqlSchemaManager($conn);
+    }
+}
diff --git a/src/Wallabag/CoreBundle/Doctrine/DBAL/Schema/CustomPostgreSqlSchemaManager.php b/src/Wallabag/CoreBundle/Doctrine/DBAL/Schema/CustomPostgreSqlSchemaManager.php
new file mode 100644
index 00000000..b49166f2
--- /dev/null
+++ b/src/Wallabag/CoreBundle/Doctrine/DBAL/Schema/CustomPostgreSqlSchemaManager.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Wallabag\CoreBundle\Doctrine\DBAL\Schema;
+
+use Doctrine\DBAL\Schema\PostgreSqlSchemaManager;
+use Doctrine\DBAL\Schema\Sequence;
+
+/**
+ * This custom schema manager fix the PostgreSQL 10 problem.
+ *
+ * @see https://github.com/wallabag/wallabag/issues/3479
+ * @see https://github.com/doctrine/dbal/issues/2868
+ */
+class CustomPostgreSqlSchemaManager extends PostgreSqlSchemaManager
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function _getPortableSequenceDefinition($sequence)
+    {
+        if ('public' !== $sequence['schemaname']) {
+            $sequenceName = $sequence['schemaname'] . '.' . $sequence['relname'];
+        } else {
+            $sequenceName = $sequence['relname'];
+        }
+
+        $query = 'SELECT min_value, increment_by FROM ' . $this->_platform->quoteIdentifier($sequenceName);
+
+        // patch for PostgreSql >= 10
+        if ((float) ($this->_conn->getWrappedConnection()->getServerVersion()) >= 10) {
+            $query = "SELECT min_value, increment_by FROM pg_sequences WHERE schemaname = 'public' AND sequencename = " . $this->_conn->quote($sequenceName);
+        }
+
+        $data = $this->_conn->fetchAll($query);
+
+        return new Sequence($sequenceName, $data[0]['increment_by'], $data[0]['min_value']);
+    }
+}
-- 
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