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Description

Adds a new column field that reverses the contents of a string or boxarint.

How does it work in the search window?

Select Create column field in the search window toolbar, then select the Reverse operation. You need to specify one argument:

To reverse a boxarint:

The data type of the values in the new column field is string.

Example 1

In the siem.logtrust.web.activity table, you want to reverse the strings of the city columnfield.

The argument needed to create the new column field is:

• String to be converted - city column field

...

Click Create column and you will see the following result:

...

field.

Example 2

To reverse the values of a boxarint you must create a byte array from a valid hexadecimal (base16) string, in this example using the correlationId column field.

...

Create a reverse boxarint from the previously-created boxar column field.

...

Once completed this is the result:

...

How does it work in LINQ?

Use the operator select... as...  and add the operation syntax to create the new columnfield. This is the syntax for the Reverse operation:

• reverse(string)

Example

You can copy the following LINQ script and try the above example on the siem.logtrust.web.activity table:

from siem.logtrust.web.activity
  select reverse(city) as reverse

Use the operator select... as...  and add the operation syntax to create the new columnfield. This is the syntax to reverse a boxarint:

• reverse(string)
  or

• reverse(boxar(int1)

Example

You can copy the following LINQ script and try the above example on the siem.logtrust.web.activity table:

from siem.logtrust.web.activity
  select from16(correlationId) as boxar,
    reverse(boxar) as Reversed