Or (or)

[ 1 Description ] [ 2 How does it work in the search window? ] [ 3 How does it work in LINQ? ]

Description

You can apply this operation either as a Filter or Create field operation:

Filter	Retrieves those events where at least one of the given Boolean field values is true.
Create field	Creates a Boolean field that returns true only if and only if one of the given arguments are true.

How does it work in the search window?

Select Filter / Create field in the search window toolbar, then select the Or operation. This operation requires at least two Operand arguments, but you can add more as needed.

Argument	Data type

Argument	Data type
Operand ^mandatory	boolean
Operand ^mandatory	boolean

If you use the Create field operation, the data type of the values in the new field is boolean (true or false).

Example

In the demo.ecommerce.data table, we want to display only those events where either the bytes transferred are greater than 1000 or the time taken to send them is greater than 200 (or both). To do it, we will apply a Filter using the Or operation but first, we need to create the required Boolean fields.

Step 1: Create the dedicated fields with Boolean values

We need two new fields. One for the first condition (bytesTransferred>1000), and one for the second condition (timeTaken>200). Here is how we define these fields, using the Greater than (gt, >) operation.

Once created, we will have two Boolean fields containing a true or false value for each row.

Step 2: Apply the filter using the Or operation

Select Filter on the query toolbar, then select Or as the operator. Now select the fields that you created as arguments:

Operand - bytestransferred>1000 field
Operand - timetaken>200 field

Click Filter data. The table displays only those rows where either the timetaken>200 or the bytestransferred>1000 value (or both) is true.

Click Create field and follow the same steps to add a new Boolean field that shows true when either the timetaken>200 value or the bytestransferred>1000 value (or both) is true.

How does it work in LINQ?

Use the operator where... to apply the Filter operation and select... as... to apply the Create field operation. This is the syntax for the Or operation:

boolean1 or boolean2 or ...

Examples

You can copy the following LINQ script and try the above example on the demo.ecommerce.data table:

from demo.ecommerce.data
  select bytesTransferred > 1000 as `bytesTransferred>1000`,
    timeTaken > 200 as `timeTaken>200`
      where `bytesTransferred>1000` or `timeTaken>200`

And this is the same example using the Create field operation:

from demo.ecommerce.data
  select timeTaken > 200 as `timeTaken>200`,
    bytesTransferred > 1000 as `bytesTransferred>1000`,
    `timeTaken>200` or `bytesTransferred>1000` as `time>200&bytes>1000`