Logical data field typesΒΆ
LT_NULL |
No logical type |
LT_ESECS |
Elapsed seconds |
LT_DAYNO |
Date (day number) |
LT_EMILS |
Elapsed milliseconds |
LT_DTIME |
Date and time (seconds) |
LT_EMICS |
Elapsed microseconds |
LT_EDAYS |
Elapsed days |
LT_TMILS |
Clock time (milliseconds) |
LT_EHOURS |
Elapsed hours |
LT_TSECS |
Clock time (seconds) |
LT_EMINS |
Elapsed minutes |
Certain data field types may be allocated a logical type, which affects the interpretation of the data they contain. The types defined in this section can be used in a program either to retrieve or to alter the logical type of a data field.
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