Merge 5b947ee554 into 4f10e6e212

PHPBB-17528

phpBB/phpbb/db/doctrine/postgresql_platform.php

@@ -78,6 +78,36 @@ class postgresql_platform extends PostgreSQL94Platform
 		return AbstractPlatform::getDefaultValueDeclarationSQL($column);
 	}
 
+    /**
+     * {@inheritDoc}
+     */
+    public function getAlterTableSQL(TableDiff $diff)
+    {
+		$sql = parent::getAlterTableSQL($diff);
+		$table_name = $diff->getOldTable()->getName();
+		$columns = array_merge($diff->getAddedColumns(), $diff->getModifiedColumns());
+		$post_sql = $sequence_sql = [];
+
+		foreach ($columns as $column)
+		{
+			$column_name = $column->getName();
+			if (!empty($column->getAutoincrement()))
+			{
+				$sequence = new Sequence($this->getIdentitySequenceName($table_name, $column_name));
+				$sequence_sql[] = $this->getCreateSequenceSQL($sequence);
+				$post_sql[] = 'ALTER SEQUENCE '.$sequence->getName().' OWNED BY ' . $table_name . '.' . $column_name;
+			}
+		}
+		$sql = array_merge($sequence_sql, $sql, $post_sql);
+
+		foreach ($sql as $i => $query)
+		{
+			$sql[$i] = str_replace('{{placeholder_sequence}}', "nextval('{$table_name}_seq')", $query);
+		}
+
+		return $sql;
+	}
+
 	/**
 	 * {@inheritDoc}
 	 */