CQL-to-ELM Translator - Incorrect elm generated for ToString(argument Time)

The cql-to-elm translator generates incorrect elm for the ToString function when Time is passed as an argument as shown below

CQL: define TimeOverload: ToString(@12:30:00.000)

ELM:

<def name="TimeOverload" context="Patient" accessLevel="Public">
   <expression xsi:type="ToString">
      <signature name="t:Ratio" xsi:type="NamedTypeSpecifier"/>
      <operand xsi:type="Ratio">
         <numerator value="30" unit="1"/>
         <denominator value="0.000" unit="1"/>
      </operand>
   </expression>
</def>

[p9g]

Thanks for catching the spec flaw. STU comment submitted at http://www.hl7.org/dstucomments/showdetail_comment.cfm?commentid=1857

[cmoesel]

Hi @sanumula. In CQL, time literals start w/ @T – so your code above should actually be:

define TimeOverload: ToString(@T12:30:00.000)

See: https://cql.hl7.org/02-authorsguide.html#date-datetime-and-time

Once you add the T, it should work as expected. Did CQL-to-ELM report any errors regarding that line of code or did it run smoothly and just produce unexpected ELM? I’d hope that it would have reported an error since @12:30:00.000 isn’t really a valid construct in CQL.