From 3272d1c0867fd746f083d2cced692e1603eaf42c Mon Sep 17 00:00:00 2001
From: Ville Brofeldt <33317356+villebro@users.noreply.github.com>
Date: Wed, 29 Sep 2021 17:30:41 +0200
Subject: [PATCH] fix(sqla): allow series limit without subquery support
 (#16896)

---
 superset/connectors/sqla/models.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/superset/connectors/sqla/models.py b/superset/connectors/sqla/models.py
index 7cebb8bac7c16..a27a4a1631e25 100644
--- a/superset/connectors/sqla/models.py
+++ b/superset/connectors/sqla/models.py
@@ -1292,8 +1292,8 @@ def get_sqla_query(  # pylint: disable=too-many-arguments,too-many-locals,too-ma
         if row_offset:
             qry = qry.offset(row_offset)
 
-        if db_engine_spec.allows_subqueries and series_limit and groupby_series_columns:
-            if db_engine_spec.allows_joins:
+        if series_limit and groupby_series_columns:
+            if db_engine_spec.allows_joins and db_engine_spec.allows_subqueries:
                 # some sql dialects require for order by expressions
                 # to also be in the select clause -- others, e.g. vertica,
                 # require a unique inner alias