feat: Hive: support SORT BY direction (apache#1873)

Author: chenkovsky

src/ast/query.rs

@@ -341,7 +341,7 @@ pub struct Select {
     /// DISTRIBUTE BY (Hive)
     pub distribute_by: Vec<Expr>,
     /// SORT BY (Hive)
-    pub sort_by: Vec<Expr>,
+    pub sort_by: Vec<OrderByExpr>,
     /// HAVING
     pub having: Option<Expr>,
     /// WINDOW AS

src/parser/mod.rs

@@ -11591,7 +11591,7 @@ impl<'a> Parser<'a> {
         };
 
         let sort_by = if self.parse_keywords(&[Keyword::SORT, Keyword::BY]) {
-            self.parse_comma_separated(Parser::parse_expr)?
+            self.parse_comma_separated(Parser::parse_order_by_expr)?
         } else {
             vec![]
         };

tests/sqlparser_hive.rs

@@ -341,6 +341,9 @@ fn lateral_view() {
 fn sort_by() {
     let sort_by = "SELECT * FROM db.table SORT BY a";
     hive().verified_stmt(sort_by);
+
+    let sort_by_with_direction = "SELECT * FROM db.table SORT BY a, b DESC";
+    hive().verified_stmt(sort_by_with_direction);
 }
 
 #[test]