SELECT 'hello' FROM opensearch_dashboards_sample_data_flights HAVING (COUNT(1) > 0)
SELECT UPPER('hello') AS `literal` FROM opensearch_dashboards_sample_data_flights HAVING (COUNT(1) > 0)
SELECT UPPER(UPPER('hello')) AS `literal` FROM opensearch_dashboards_sample_data_flights HAVING (COUNT(1) > 0)
SELECT SUBSTRING(CONCAT(UPPER('hello'), 'world'), 1, 6) AS `literal` FROM opensearch_dashboards_sample_data_flights HAVING (COUNT(1) > 0)