diff --git a/docs/en/reference/configuration.rst b/docs/en/reference/configuration.rst
index bae6a1b35e..36fd39cc56 100644
--- a/docs/en/reference/configuration.rst
+++ b/docs/en/reference/configuration.rst
@@ -227,6 +227,7 @@ pdo_mysql
 -  ``dbname`` (string): Name of the database/schema to connect to.
 -  ``unix_socket`` (string): Name of the socket used to connect to
    the database.
+-  ``persistent`` (boolean): Whether to establish a persistent connection.
 -  ``charset`` (string): The charset used when connecting to the
    database.
 
@@ -283,6 +284,7 @@ pdo_pgsql / pgsql
    See `www.postgresql.org/docs/9.4/static/libpq-connect.html#LIBPQ-CONNECT-SSLCRL <https://www.postgresql.org/docs/9.4/static/libpq-connect.html#LIBPQ-CONNECT-SSLCRL>`_
 -  ``gssencmode`` (string): Optional GSS-encrypted channel/GSSEncMode configuration.
    See `www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNECT-GSSENCMODE <https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNECT-GSSENCMODE>`_
+-  ``persistent`` (boolean): Whether to establish a persistent connection (currently supported only by ``pdo_pgsql``).
 -  ``application_name`` (string): Name of the application that is
    connecting to database. Optional. It will be displayed at ``pg_stat_activity``.
 
diff --git a/src/Platforms/PostgreSQLPlatform.php b/src/Platforms/PostgreSQLPlatform.php
index a79548501e..70dda0ebaa 100644
--- a/src/Platforms/PostgreSQLPlatform.php
+++ b/src/Platforms/PostgreSQLPlatform.php
@@ -7,6 +7,7 @@
 use Doctrine\DBAL\Connection;
 use Doctrine\DBAL\Platforms\Keywords\KeywordList;
 use Doctrine\DBAL\Platforms\Keywords\PostgreSQLKeywords;
+use Doctrine\DBAL\Schema\Column;
 use Doctrine\DBAL\Schema\ForeignKeyConstraint;
 use Doctrine\DBAL\Schema\Identifier;
 use Doctrine\DBAL\Schema\Index;
@@ -249,22 +250,10 @@ public function getAlterTableSQL(TableDiff $diff): array
                 );
             }
 
-            if (
-                $columnDiff->hasTypeChanged()
-                || $columnDiff->hasPrecisionChanged()
-                || $columnDiff->hasScaleChanged()
-                || $columnDiff->hasFixedChanged()
-                || $columnDiff->hasLengthChanged()
-                || $columnDiff->hasPlatformOptionsChanged()
-            ) {
-                $type = $newColumn->getType();
-
-                // SERIAL/BIGSERIAL are not "real" types and we can't alter a column to that type
-                $columnDefinition                  = $newColumn->toArray();
-                $columnDefinition['autoincrement'] = false;
-
-                // here was a server version check before, but DBAL API does not support this anymore.
-                $query = 'ALTER ' . $newColumnName . ' TYPE ' . $type->getSQLDeclaration($columnDefinition, $this);
+            $newTypeSQLDeclaration = $this->getTypeSQLDeclaration($newColumn);
+            $oldTypeSQLDeclaration = $this->getTypeSQLDeclaration($oldColumn);
+            if ($oldTypeSQLDeclaration !== $newTypeSQLDeclaration) {
+                $query = 'ALTER ' . $newColumnName . ' TYPE ' . $newTypeSQLDeclaration;
                 $sql[] = 'ALTER TABLE ' . $tableNameSQL . ' ' . $query;
             }
 
@@ -311,6 +300,17 @@ public function getAlterTableSQL(TableDiff $diff): array
         );
     }
 
+    private function getTypeSQLDeclaration(Column $column): string
+    {
+        $type = $column->getType();
+
+        // SERIAL/BIGSERIAL are not "real" types and we can't alter a column to that type
+        $columnDefinition                  = $column->toArray();
+        $columnDefinition['autoincrement'] = false;
+
+        return $type->getSQLDeclaration($columnDefinition, $this);
+    }
+
     /**
      * {@inheritDoc}
      */
diff --git a/src/Schema/OracleSchemaManager.php b/src/Schema/OracleSchemaManager.php
index d965f5fc43..47d87400f1 100644
--- a/src/Schema/OracleSchemaManager.php
+++ b/src/Schema/OracleSchemaManager.php
@@ -270,7 +270,7 @@ public function createDatabase(string $database): void
         $params = $this->connection->getParams();
 
         if (isset($params['password'])) {
-            $statement .= ' IDENTIFIED BY ' . $params['password'];
+            $statement .= ' IDENTIFIED BY ' . $this->connection->quoteSingleIdentifier($params['password']);
         }
 
         $this->connection->executeStatement($statement);
diff --git a/tests/Platforms/PostgreSQLPlatformTest.php b/tests/Platforms/PostgreSQLPlatformTest.php
index 109763f8a9..d413f03417 100644
--- a/tests/Platforms/PostgreSQLPlatformTest.php
+++ b/tests/Platforms/PostgreSQLPlatformTest.php
@@ -805,6 +805,34 @@ public function testAltersTableColumnCommentWithExplicitlyQuotedIdentifiers(): v
         );
     }
 
+    public function testTypeChangeWithTheSameSQLGenerationWhileChangingAComment(): void
+    {
+        $table1 = Table::editor()
+            ->setQuotedName('Foo')
+            ->setColumns(Column::editor()
+                ->setQuotedName('Bar')
+                ->setTypeName(Types::DATETIMETZ_MUTABLE)
+                ->create())
+            ->create();
+
+        $table2 = Table::editor()
+            ->setQuotedName('Foo')
+            ->setColumns(Column::editor()
+                ->setQuotedName('Bar')
+                ->setTypeName(Types::DATETIMETZ_IMMUTABLE)
+                ->setComment('Baz')
+                ->create())
+            ->create();
+
+        $tableDiff = $this->createComparator()
+            ->compareTables($table1, $table2);
+
+        self::assertSame(
+            ['COMMENT ON COLUMN "Foo"."Bar" IS \'Baz\''],
+            $this->platform->getAlterTableSQL($tableDiff),
+        );
+    }
+
     protected function getQuotesReservedKeywordInUniqueConstraintDeclarationSQL(): string
     {
         return 'CONSTRAINT "select" UNIQUE (foo)';
diff --git a/tests/TestUtil.php b/tests/TestUtil.php
index aea9ed357b..8ba5678781 100644
--- a/tests/TestUtil.php
+++ b/tests/TestUtil.php
@@ -199,31 +199,12 @@ private static function mapConnectionParameters(array $configuration, string $pr
     {
         $parameters = [];
 
-        foreach (
-            [
-                'driver',
-                'user',
-                'password',
-                'host',
-                'dbname',
-                'memory',
-                'port',
-                'server',
-                'ssl_key',
-                'ssl_cert',
-                'ssl_ca',
-                'ssl_capath',
-                'ssl_cipher',
-                'unix_socket',
-                'path',
-                'charset',
-            ] as $parameter
-        ) {
-            if (! isset($configuration[$prefix . $parameter])) {
+        foreach ($configuration as $key => $value) {
+            if (! str_starts_with($key, $prefix)) {
                 continue;
             }
 
-            $parameters[$parameter] = $configuration[$prefix . $parameter];
+            $parameters[substr($key, strlen($prefix))] = $value;
         }
 
         if (isset($parameters['port'])) {