Row Set Look-Up Method
The Row Set Look-Up method looks up each input row in another row set using a specified search expression. For example, it could be used to check for compatibility.
Arguments
Input Argument | Description |
---|---|
Context |
Optional. Property set of variables shared across all rows. |
Row Set |
The set of rows to process. |
Output Row Set |
Optional. The property set used for output. |
Process Condition |
A Boolean condition that is evaluated to determine whether to process each row. |
Match Row Set |
The row set that will be matched with the input row set. |
Search Specification |
A search expression comprised of literals and variable values from {Context}, {Row}, and {Match}. For example:
|
On First Match [1..20] |
Actions to perform on the first match for each input row. |
On Match [1..20] |
Actions to perform on every match for each input row. |
On Last Match [1..20] |
Actions to perform on the last match for each input row. |
On No Match [1..20] |
Actions to perform if there are no matches for an input row. |
Example
The following figure shows an example of arguments for a PSP procedure step named Flag Incompatible Rows, which uses the Row Set Look-Up method.
