in asterixdb-jdbc/asterix-jdbc-core/src/main/java/org/apache/asterix/jdbc/core/ADBRowStore.java [741:760]
Period getPeriod(int columnIndex) throws SQLException {
ADBDatatype valueType = getColumnType(columnIndex);
switch (valueType) {
case MISSING:
case NULL:
return null;
case YEARMONTHDURATION:
return getPeriodFromObjectStore(columnIndex);
case DURATION:
return getColumnRegisterAsPeriod(columnIndex, 0);
case STRING:
try {
return Period.parse(getStringFromObjectStore(columnIndex)); // TODO:review
} catch (DateTimeParseException e) {
throw getErrorReporter().errorInvalidValueOfType(valueType);
}
default:
throw getErrorReporter().errorUnexpectedType(valueType);
}
}