MarkLogic 10 Product Documentationop:bind
op:bind( $plan as map:map, $columns as columnIdentifier* ) as map:map
Summary
This function adds new columns or modifies existing columns based on expressions while preserving existing unmodified columns in the row set.
| Parameters | |
|---|---|
| $plan | The Optic Plan. You can either use the XQuery => chaining operator or specify the variable that captures the return value from the previous operation. |
| $columns | The op:as calls that specify the column name and the expression that constructs the column values. |
See Also
Example
xquery version "1.0-ml";
import module namespace op="http://marklogic.com/optic"
at "/MarkLogic/optic.xqy";
import module namespace ofn="http://marklogic.com/optic/expression/fn"
at "/MarkLogic/optic/optic-fn.xqy";
op:from-view("main", "employees")
=> op:bind((
op:as("FirstName", ofn:substring-before(op:col("FullName"), " ")),
op:as("LastName", ofn:substring-after(op:col("FullName"), " "))
))
=> op:order-by("EmployeeID")
=> op:result()