add to_json back into sql query (#821)

Signed-off-by: Chloe Ching <[email protected]>

src/sdk/python/rtdip_sdk/queries/time_series/_time_series_query_builder.py

@@ -101,19 +101,26 @@ def _raw_query(parameters_dict: dict) -> str:
 
 def _sql_query(parameters_dict: dict) -> str:
     sql_query = (
-        "{{ sql_statement }}"
+        "{% if to_json is defined and to_json == true %}"
+        'SELECT to_json(struct(*), map("timestampFormat", "yyyy-MM-dd\'T\'HH:mm:ss.SSSSSSSSSXXX")) as Value FROM ('
+        "{% endif %}"
+        "{{ sql_statement }} "
         "{% if limit is defined and limit is not none %}"
         "LIMIT {{ limit }} "
         "{% endif %}"
         "{% if offset is defined and offset is not none %}"
         "OFFSET {{ offset }} "
         "{% endif %}"
+        "{% if to_json is defined and to_json == true %}"
+        ")"
+        "{% endif %}"
     )
 
     sql_parameters = {
         "sql_statement": parameters_dict.get("sql_statement"),
         "limit": parameters_dict.get("limit", None),
         "offset": parameters_dict.get("offset", None),
+        "to_json": parameters_dict.get("to_json", False),
     }
 
     sql_template = Template(sql_query)