Populations and Controls

Populations and Controls

COMBINE Control

COMBINE Control

If you specify the
COMBINE
field, it must be present in the list of Matching-Fields. Multiple fields may be specified for the
COMBINE
option. When
COMBINE
is defined for a field, multiple data fields in
Matching-Fields
of that
Field
type are concatenated together before the matching can occur.
An optional combine option may be associated with the fieldname which can have the following possible values:
DELIM-NONE
: If this option is set, when concatenating multiple data fields there is no space embedded.
DELIM-SPACE
: If this option is set, when concatenating multiple data fields there is a space embedded. This is the default and need not be explicitly specified.
For example, with the following controls specified,
Controls ("PURPOSE=Generic COMBINE=Person_Name,Address_Part1:DELIM-NONE,Telephone_Number")
All fields of type
Person_Name
will be concatenated into a single field with a space between them. Similarly, all fields of type
Telephone_Number
will be concatenated into a single field with a space between them. All field of type
Address_Part1
will be concatenated with no space embedded between them.

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