Simplified DatabaseOperations.sql_flush() on Oracle and PostgreSQL.

Added early return to decrease an indentation level.

1 files changed, 20 insertions, 20 deletions

diff --git a/django/db/backends/postgresql/operations.py b/django/db/backends/postgresql/operations.py
index ec87b61f49..dd422af1af 100644
--- a/django/db/backends/postgresql/operations.py
+++ b/django/db/backends/postgresql/operations.py
@@ -118,28 +118,28 @@ class DatabaseOperations(BaseDatabaseOperations):
         return "SET TIME ZONE %s"
 
     def sql_flush(self, style, tables, sequences, allow_cascade=False):
-        if tables:
-            # Perform a single SQL 'TRUNCATE x, y, z...;' statement.  It allows
-            # us to truncate tables referenced by a foreign key in any other
-            # table.
-            tables_sql = ', '.join(
-                style.SQL_FIELD(self.quote_name(table)) for table in tables)
-            if allow_cascade:
-                sql = ['%s %s %s;' % (
-                    style.SQL_KEYWORD('TRUNCATE'),
-                    tables_sql,
-                    style.SQL_KEYWORD('CASCADE'),
-                )]
-            else:
-                sql = ['%s %s;' % (
-                    style.SQL_KEYWORD('TRUNCATE'),
-                    tables_sql,
-                )]
-            sql.extend(self.sequence_reset_by_name_sql(style, sequences))
-            return sql
-        else:
+        if not tables:
             return []
 
+        # Perform a single SQL 'TRUNCATE x, y, z...;' statement. It allows us
+        # to truncate tables referenced by a foreign key in any other table.
+        tables_sql = ', '.join(
+            style.SQL_FIELD(self.quote_name(table)) for table in tables
+        )
+        if allow_cascade:
+            sql = ['%s %s %s;' % (
+                style.SQL_KEYWORD('TRUNCATE'),
+                tables_sql,
+                style.SQL_KEYWORD('CASCADE'),
+            )]
+        else:
+            sql = ['%s %s;' % (
+                style.SQL_KEYWORD('TRUNCATE'),
+                tables_sql,
+            )]
+        sql.extend(self.sequence_reset_by_name_sql(style, sequences))
+        return sql
+
     def sequence_reset_by_name_sql(self, style, sequences):
         # 'ALTER SEQUENCE sequence_name RESTART WITH 1;'... style SQL statements
         # to reset sequence indices