exec/java-exec/src/test/resources/dateWithEmptyStrings.json

{"dateCol": null, "timeCol": "", "timestampCol": "2003-09-11 10:01:37"}
{"dateCol": "1997-12-10", "timeCol": null, "timestampCol": ""}
{"dateCol": "", "timeCol": "07:21:39", "timestampCol": null}