From 7967783aaf7428cbc0be780e319417ec8b6b332b Mon Sep 17 00:00:00 2001
From: osipovartem <artemosipov.dev@gmail.com>
Date: Sat, 12 Sep 2026 23:21:04 +0300
Subject: [PATCH] Snowflake: parse ORDER BY ALL

---
 src/dialect/snowflake.rs     |  5 +++++
 tests/sqlparser_snowflake.rs | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/src/dialect/snowflake.rs b/src/dialect/snowflake.rs
index 99d7fe498..ce2a8c440 100644
--- a/src/dialect/snowflake.rs
+++ b/src/dialect/snowflake.rs
@@ -149,6 +149,11 @@ impl Dialect for SnowflakeDialect {
         true
     }
 
+    /// See <https://docs.snowflake.com/en/sql-reference/constructs/order-by#syntax>
+    fn supports_order_by_all(&self) -> bool {
+        true
+    }
+
     // Snowflake supports double-dot notation when the schema name is not specified
     // In this case the default PUBLIC schema is used
     //
diff --git a/tests/sqlparser_snowflake.rs b/tests/sqlparser_snowflake.rs
index 2e537a71a..69ac21d14 100644
--- a/tests/sqlparser_snowflake.rs
+++ b/tests/sqlparser_snowflake.rs
@@ -44,6 +44,19 @@ fn test_snowflake_create_table() {
     }
 }
 
+#[test]
+fn parse_order_by_all() {
+    let query = snowflake()
+        .verified_query("SELECT value + 1 AS computed FROM source ORDER BY ALL DESC NULLS FIRST");
+    assert_eq!(
+        query.order_by.expect("ORDER BY expected").kind,
+        OrderByKind::All(OrderByOptions {
+            asc: Some(false),
+            nulls_first: Some(true),
+        })
+    );
+}
+
 #[test]
 fn test_snowflake_create_table_timestamp_ntz_precision_ctas_values() {
     let sql = "CREATE TABLE t (x TIMESTAMP_NTZ(3)) AS SELECT * FROM VALUES ('2025-04-09T21:11:23')";