Allow empty options for BigQuery (apache#1657)

Co-authored-by: Martin Abelson Sahlen <[email protected]>

Author: 2 people

src/parser/mod.rs

@@ -7341,7 +7341,7 @@ impl<'a> Parser<'a> {
     pub fn parse_options(&mut self, keyword: Keyword) -> Result<Vec<SqlOption>, ParserError> {
         if self.parse_keyword(keyword) {
             self.expect_token(&Token::LParen)?;
-            let options = self.parse_comma_separated(Parser::parse_sql_option)?;
+            let options = self.parse_comma_separated0(Parser::parse_sql_option, Token::RParen)?;
             self.expect_token(&Token::RParen)?;
             Ok(options)
         } else {

tests/sqlparser_bigquery.rs

@@ -473,6 +473,12 @@ fn parse_create_table_with_options() {
         r#"description = "table option description")"#
     );
     bigquery().verified_stmt(sql);
+
+    let sql = "CREATE TABLE foo (x INT64) OPTIONS()";
+    bigquery().verified_stmt(sql);
+
+    let sql = "CREATE TABLE db.schema.test (x INT64 OPTIONS(description = 'An optional INTEGER field')) OPTIONS()";
+    bigquery().verified_stmt(sql);
 }
 
 #[test]