Using the Relation Map Operator Property Editor

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The Relation Map operator performs a select on two or more incoming relations, equivalent to a SQL join view of a minimum of one relation and additional tables and relations.

The Relation Map operator can take multiple inputs. You can use a Relation Map to join input from other operator sources, for example, two or more Tuple Based windows, or two or more Partitioned Windows.

To create a Relation Map Operator:

  1. Drag a Relation Map operator from the Palette to the Design view.
  2. Connect at least two inputs.
  3. Click the Relation Map operator. The property editor opens.
  4. Click the Relation Map operator icon.
  5. In the Expression box, enter the expression for the SQL Select statement. Add attribute names, data types and sizes, as applicable. Add, delete, or move Attributes.
  6. In the From field, define the input on which to perform the selection.
  7. In the Where clause field, provide additional search criteria.
  8. Click OK.
See Also
Using the Stream Projection and Filter Operator Editor

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