native_apps_plc_udf.sql

/**
 * Gautam Muralidhar, Srivatsan Ramanujam, Nov 2014
 * PL/C UDFs to invoke Edge Detection
 */
create or replace function CannyEdgeDetectPLC(varchar)
returns int[]
as
    '/usr/local/lib/ds/canny_plc.so', 'canny_plc'
language C strict immutable;

create or replace function GetImgSizePLC(varchar)
returns int[]
as
    '/usr/local/lib/ds/canny_plc.so', 'get_imgsize'
language C strict immutable;