op:bind( $plan as map:map, $columns as columnIdentifier* ) as map:map
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. |
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()
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