Fixed #30242 -- Removed extra space before LIMIT/OFFSET SQL.

AUTHORS

@@ -325,6 +325,7 @@ answer newbie questions, and generally made Django that much better:
     Guillaume Pannatier <guillaume.pannatier@gmail.com>
     Gustavo Picon
     hambaloney
+    Hang Park <hangpark@kaist.ac.kr>
     Hannes Struß <x@hannesstruss.de>
     Hasan Ramezani <hasan.r67@gmail.com>
     Hawkeye

django/db/backends/base/operations.py

@@ -218,10 +218,10 @@ class BaseDatabaseOperations:
     def limit_offset_sql(self, low_mark, high_mark):
         """Return LIMIT/OFFSET SQL clause."""
         limit, offset = self._get_limit_offset_params(low_mark, high_mark)
-        return '%s%s' % (
-            (' LIMIT %d' % limit) if limit else '',
-            (' OFFSET %d' % offset) if offset else '',
-        )
+        return ' '.join(sql for sql in (
+            ('LIMIT %d' % limit) if limit else None,
+            ('OFFSET %d' % offset) if offset else None,
+        ) if sql)
 
     def last_executed_query(self, cursor, sql, params):
         """

django/db/backends/oracle/operations.py

@@ -249,10 +249,10 @@ END;
 
     def limit_offset_sql(self, low_mark, high_mark):
         fetch, offset = self._get_limit_offset_params(low_mark, high_mark)
-        return '%s%s' % (
-            (' OFFSET %d ROWS' % offset) if offset else '',
-            (' FETCH FIRST %d ROWS ONLY' % fetch) if fetch else '',
-        )
+        return ' '.join(sql for sql in (
+            ('OFFSET %d ROWS' % offset) if offset else None,
+            ('FETCH FIRST %d ROWS ONLY' % fetch) if fetch else None,
+        ) if sql)
 
     def last_executed_query(self, cursor, sql, params):
         # https://cx-oracle.readthedocs.io/en/latest/cursor.html#Cursor.statement