Method exec

src/org/apache/pig/builtin/LAST_INDEX_OF.java:53–66

Finds the last location of a substring in a given string. @param input tuple: the string to process the substring to find @exception java.io.IOException @return last location of substring, or null in case of processing errors.

(Tuple input)

     * @return last location of substring, or null in case of processing errors.
     */
    @Override
    public Integer exec(Tuple input) throws IOException {
        if (input == null || input.size() < 2)
            return null;

        try {
            String str = (String)input.get(0);
            String search = (String)input.get(1);
            return str.lastIndexOf(search);
        } catch(Exception e) {
            warn("Failed to process input; error - " + e.getMessage(), PigWarning.UDF_WARNING_1);
            return null;
        }
    }

    @Override
    public Schema outputSchema(Schema input) {