Provides a way of displaying the field comments (metadata) from databases and spreadsheets. Field names not present in the document will be ignored. If multiple occurrences of a field name are found, the last value is used.
comment [fields] *fieldlist using mapname
comment [field] fieldname with comment
The map table used should have two columns, the first containing field names and the second the comments.
|*fieldlist||A comma separated list of the fields to be commented. Using
|mapname||The name of a mapping table previously read in a mapping LOAD or mapping SELECT statement.|
|fieldname||The name of the field that should be commented.|
|comment||The comment that should be added to the field.|
mapping LOAD * inline [
Alpha,This field contains text values
Num,This field contains numeric values
comment fields using commentmap;
comment field Alpha with AFieldContainingCharacters;
comment field Num with '*A field containing numbers';
comment Gamma with 'Mickey Mouse field';