allow multiple index types in parsed result

Author: MohamedAbdeen21

src/parser/mod.rs

@@ -7123,15 +7123,6 @@ impl<'a> Parser<'a> {
         // parse it anyway (as we do inside `ALTER TABLE` and `CREATE TABLE` parsing).
         let index_options = self.parse_index_options()?;
 
-        // Only keep the latest USING, we don't take the IndexOption out of the vec and place the
-        // value in the `using` var because we try to keep the order of the options as they appear.
-        if index_options
-            .iter()
-            .any(|opt| matches!(opt, IndexOption::Using(_)))
-        {
-            using = None;
-        };
-
         // MySQL allows `ALGORITHM` and `LOCK` options. Unlike in `ALTER TABLE`, they need not be comma separated.
         let mut alter_options = Vec::new();
         while self

tests/sqlparser_common.rs

@@ -17270,7 +17270,7 @@ fn parse_create_index_different_using_positions() {
     }
 
     let sql = "CREATE INDEX idx_name USING BTREE ON table_name (col1) USING HASH";
-    let expected = "CREATE INDEX idx_name ON table_name(col1) USING HASH";
+    let expected = "CREATE INDEX idx_name ON table_name USING BTREE (col1) USING HASH";
     match all_dialects().one_statement_parses_to(sql, expected) {
         Statement::CreateIndex(CreateIndex {
             name,