Find Nth instance of find string in input. Returns 0 if input string is empty. Returns -1 if the Nth instance is not found or input string is null.
SELECT STRPOS('Apache Pinot is a column-oriented, open-source, distributed data store written in Java', 'o', 1) AS value
FROM ignoreMe
SELECT STRPOS('Apache Pinot is a column-oriented, open-source, distributed data store written in Java', 'o', 2) AS value
FROM ignoreMe
SELECT STRPOS('Apache Pinot is a column-oriented, open-source, distributed data store written in Java', 'z', 1) AS value
FROM ignoreMe