MarkLogic 10 Product Documentation
op.subtract

op.subtract(
   numericExpression as String,
   numericExpression as String
) as numericExpression

Summary

This function subtracts the right numericExpression from the left numericExpression and returns the value.

Parameters
numericExpression The left numeric expression.
numericExpression The right numeric expression.

Example

const op = require('/MarkLogic/optic');
const employees = op.fromView('main', 'employees');

employees.select(["FirstName", "LastName", "Position", "EmployeeID",
                   op.as("subtracted", op.subtract(op.col("EmployeeID"), 2))])
.result();
  
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