Returns the first member in the specified level matching the specified member key.

In our example, we return the [United States] of the hierarchy [Economy].

Query

LookupByKey([Geography].[Economy].[Country],[Geography].[Economy].[United States].key)

Result

{ 
  [Geography].[Economy].[Country].[United States]
}

Assertion : MDX Equals

[Geography].[Economy].[United States]

Assertion : MDX Equals

strToMember( "[Geography].[Economy].&[" + [Geography].[Economy].[United States].key + "]" )

Returns the first member in the specified hierarchy matching the specified member key.

In our example, we return the [United States] of the hierarchy [Economy].

Query

LookupByKey([Geography].[Economy],[Geography].[Economy].[United States].key)

Result

{ 
  [Geography].[Economy].[Country].[United States]
}

Assertion : MDX Equals

[Geography].[Economy].[United States]

Assertion : MDX Equals

strToMember( "[Geography].[Economy].&[" + [Geography].[Economy].[United States].key + "]" )

Returns the first member in the specified hierarchy matching the specified member key.

In our example, we return the [United States] of the hierarchy [Economy].

Query

LookupByKey([Geography].[Economy],[Geography].[Economy].[United States])

Result

{ 
  [Geography].[Economy].[Country].[United States]
}

Assertion : MDX Equals

[Geography].[Economy].[United States]

Assertion : MDX Equals

strToMember( "[Geography].[Economy].&[" + [Geography].[Economy].[United States].key + "]" )

Returns a list of matching members for each member of the second parameter.

In our example, we return the [United States] of the hierarchy [Economy].

Query

LookupByKey([Geography].[Economy],{[Geography].[Economy].[United States],[Geography].[Economy].[France]} )

Result

{ 
  [Geography].[Economy].[Country].[United States], 
  [Geography].[Economy].[Country].[France]
}

Assertion : MDX Equals

{[Geography].[Economy].[United States],[Geography].[Economy].[France]}

Returns the first member in the specified hierarchy matching the specified member key without converting
the key.

In our example, we return the [United States] of the hierarchy [Economy].

Query

LookupByKey([Geography].[Economy],[Geography].[Economy].[United States].key,TYPED)

Result

{ 
  [Geography].[Economy].[Country].[United States]
}

Assertion : MDX Equals

[Geography].[Economy].[United States]

Assertion : MDX Equals

strToMember( "[Geography].[Economy].&[" + [Geography].[Economy].[United States].key + "]" )

Returns NULL if there is no matching member in the specified level.

In our example, there is no member in level [Continent] with key '232'.

Query

LookupByKey([Geography].[Continent],232)

Result

NULL

Assertion : MDX Equals

LookupByKey([Geography].[Continent],"232")

Assertion : MDX Equals

LookupByKey([Geography].[Continent],3.24)