From 4a95d4d85c27035ad1997673d586cb594be8e943 Mon Sep 17 00:00:00 2001
From: M Lorek <mlorek@users.noreply.github.com>
Date: Sun, 5 Jan 2025 19:55:51 +0000
Subject: [PATCH] exclude clause (#4374)

---
 sql/snowflake/SnowflakeLexer.g4   | 1 +
 sql/snowflake/SnowflakeParser.g4  | 6 +++++-
 sql/snowflake/examples/select.sql | 4 ++++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/sql/snowflake/SnowflakeLexer.g4 b/sql/snowflake/SnowflakeLexer.g4
index b972688200..c4059222db 100644
--- a/sql/snowflake/SnowflakeLexer.g4
+++ b/sql/snowflake/SnowflakeLexer.g4
@@ -314,6 +314,7 @@ ESCAPE                           : 'ESCAPE';
 ESCAPE_UNENCLOSED_FIELD          : 'ESCAPE_UNENCLOSED_FIELD';
 EVENT                            : 'EVENT';
 EXCEPT                           : 'EXCEPT';
+EXCLUDE                          : 'EXCLUDE';
 EXCHANGE                         : 'EXCHANGE';
 EXECUTE                          : 'EXEC' 'UTE'?;
 EXECUTION                        : 'EXECUTION';
diff --git a/sql/snowflake/SnowflakeParser.g4 b/sql/snowflake/SnowflakeParser.g4
index 472e31f831..7575a661a2 100644
--- a/sql/snowflake/SnowflakeParser.g4
+++ b/sql/snowflake/SnowflakeParser.g4
@@ -4156,7 +4156,7 @@ select_list
 
 select_list_elem
     : column_elem as_alias?
-    | column_elem_star
+    | column_elem_star exclude_clause?
     //    | udt_elem
     | expression_elem as_alias?
     ;
@@ -4175,6 +4175,10 @@ object_name_or_alias
     | alias DOT
     ;
 
+exclude_clause
+    : EXCLUDE (column_name | column_list_in_parentheses)
+    ;
+
 as_alias
     : AS? alias
     ;
diff --git a/sql/snowflake/examples/select.sql b/sql/snowflake/examples/select.sql
index 5922c407ee..100b9f239e 100644
--- a/sql/snowflake/examples/select.sql
+++ b/sql/snowflake/examples/select.sql
@@ -128,3 +128,7 @@ select *
 from a;
 
 select count(t.*) as ca from t9 as t;
+
+SELECT a.* EXCLUDE (col1, col2), b.* EXCLUDE col3
+FROM t1 as a
+JOIN t2 as b USING (col5, col6);