{"op":"like","args":[{"op":"casei","args":[{"property":"geophys:SURVEY_NAME"}]},{"op":"casei","args":["%calcutta%"]}]}
casei(geophys:SURVEY_NAME) LIKE casei('%calcutta%')
{"op":"like","args":[{"op":"casei","args":[{"property":"geophys:SURVEY_NAME"}]},{"op":"casei","args":["%calcutta%"]}]}