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ISLOGICAL

  • Article

Checks whether a value is a logical value, (TRUE or FALSE), and returns TRUE or FALSE.

Syntax

ISLOGICAL(<value>)

Parameters

Term Definition
value The value that you want to test.

Return value

TRUE if the value is a logical value; FALSE if any value other than TRUE OR FALSE.

Remarks

This function is not supported for use in DirectQuery mode when used in calculated columns or row-level security (RLS) rules.

Example

The following three samples show the behavior of ISLOGICAL.

//RETURNS: Is Boolean type or Logical  
= IF(ISLOGICAL(true), "Is Boolean type or Logical", "Is different type")  
  
//RETURNS: Is Boolean type or Logical  
= IF(ISLOGICAL(false), "Is Boolean type or Logical", "Is different type")  
  
//RETURNS: Is different type  
= IF(ISLOGICAL(25), "Is Boolean type or Logical", "Is different type")

Related content

Information functions