Converting Timestamp to/from Integer

Allows you to convert Timestamp values to/from Integer which include the following examples:

q  from posix to timestamp

q  from posixmillis to timestamp

q  from timestamp to posix

q  from timestamp to posixmillis

The conversion uses the expression: to([typename],[expression],[format]

Examples:

q  to(int, timefieldname, 'POSIX')

q  to(time, intfieldname, 'POSIX')