PostgreSQL: Export serial as serial, not nextval()

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Foreign key: Display new field in case of an error
 - PostgreSQL: Order NULL last
 - PostgreSQL: Display all SQL command warnings and only once
+- PostgreSQL: Export serial as serial, not nextval()
 - PostgreSQL: Export schema in nextval()
 - PostgreSQL: Export schema in REFERENCES
 - Editor: Display tinyint(1) as checkbox (bug #1246, regression from 5.4.2)

adminer/drivers/pgsql.inc.php

@@ -946,6 +946,11 @@ AND typelem = 0"
 
 		// fields' definitions
 		foreach ($fields as $field) {
+			if ($field['default'] == "nextval('$status[Name]_$field[field]_seq')") {
+				$field['default'] = null;
+				$field['full_type'] = preg_replace('~int(eger)?~', 'serial', $field['full_type']);
+			}
+
 			$part = idf_escape($field['field']) . ' ' . $field['full_type']
 				. preg_replace('~(nextval\(\')([^.\']+\')~', '\1' . str_replace("'", "''", $status['nspname']) . '.\2', default_value($field))
 				. ($field['null'] ? "" : " NOT NULL");