This topic summarizes the default processing that occurs when any of the parameters in an INFO/ACCESS query are not explicitly specified, and shows the relationships that the various parameters have to one another.
Parameter |
Default Processing |
filename |
Unless the DICT modifier is included, the report is generated from the data file. |
item-list |
If there is no explicit item list or active select-list, all items are processed. Processing means:
If there is an explicit item list, the items are processed in the order specified. Explicit item lists take precedence over an active select-list. |
selection |
If there is no explicit item list or active select-list, all items are compared against the selection expressions. |
sort |
If no sort expression is specified and if the command has sorting capabilities, the items are displayed in ascending order by item-ID. If multiple sort expressions are specified, they are processed from left to right. |
output |
If no output specification is included in the query, the report for a data file consists of the default output specifications defined by an @LPTR phrase for reports sent to the printer, an @ phrase, or a sequence of numeric item-IDs. |
|
If no print limiters are specified, all values from MultiValued attributes as well as all data from other attributes are included in the report. |
modifiers |
If no modifiers are included in the query, the report uses these features:
|
options |
Defaults for options are specific to the command. |
The following topics are presented in this section:
Defining Default Output Specifications
Suppressing Default Output Specifications
See Also