From a2217e8d9924de00dd4794dfb670b67646723976 Mon Sep 17 00:00:00 2001
From: neel98 <35648448+neel98@users.noreply.github.com>
Date: Fri, 31 May 2024 13:01:00 -0400
Subject: [PATCH] Update parser.py

Solved the nested query parser.columns_dict set result. Excluded 'join' and 'where' columns from 'select' dict of parser.columns_dict
---
 sql_metadata/parser.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql_metadata/parser.py b/sql_metadata/parser.py
index 1b88748e..e0f1a29c 100644
--- a/sql_metadata/parser.py
+++ b/sql_metadata/parser.py
@@ -834,7 +834,8 @@ def _resolve_nested_query(
             return [resolved_column]
 
         if column_name == "*":
-            return subparser.columns
+            # return subparser.columns
+            return list(set(item for sublist in subparser.columns_dict['select'] for item in (sublist if isinstance(sublist, list) else [sublist])))
         try:
             column_index = [x.split(".")[-1] for x in subparser.columns].index(
                 column_name