fix using data as json access key

Author: jmhain

src/parser/mod.rs

@@ -5911,12 +5911,15 @@ impl<'a> Parser<'a> {
                     )?,
                 },
                 // Case when Snowflake Semi-structured data like key:value
+                // FIXME: Find a better way to deal with this than exhaustively
+                //        listing every keyword allowed here.
                 Keyword::NoKeyword
                 | Keyword::LOCATION
                 | Keyword::TYPE
                 | Keyword::DATE
                 | Keyword::START
                 | Keyword::END
+                | Keyword::DATA
                     if dialect_of!(self is SnowflakeDialect | GenericDialect) =>
                 {
                     Ok(Value::UnQuotedString(w.value))

tests/sqlparser_snowflake.rs

@@ -230,7 +230,7 @@ fn parse_json_using_colon() {
 
     snowflake().one_statement_parses_to("SELECT a:b::int FROM t", "SELECT CAST(a:b AS INT) FROM t");
 
-    let sql = "SELECT a:start, a:end FROM t";
+    let sql = "SELECT a:start, a:end, a:data FROM t";
     let select = snowflake().verified_only_select(sql);
     assert_eq!(
         vec![
@@ -243,6 +243,11 @@ fn parse_json_using_colon() {
                 left: Box::new(Expr::Identifier(Ident::new("a"))),
                 operator: JsonOperator::Colon,
                 right: Box::new(Expr::Value(Value::UnQuotedString("end".to_string()))),
+            }),
+            SelectItem::UnnamedExpr(Expr::JsonAccess {
+                left: Box::new(Expr::Identifier(Ident::new("a"))),
+                operator: JsonOperator::Colon,
+                right: Box::new(Expr::Value(Value::UnQuotedString("data".to_string()))),
             })
         ],
         select.projection