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I do not even know how to explain what I want to achieve in a short sentence so that is why the title of this thread is ambiguous.
This is what I want to do:
Say I have 2 tables:
Table 1: Identifier, some value fields
Table 2: Identifier, Field A
the tables are linked via "Identifier"
the set of identifiers in Table 1 is not the same as the set of identifiers in Table 2: some values are common, but there are identifiers in Table 1 which are not found in Table 2 and viceversa
I need to generate a report which contains, for all the indentifiers in Table 1, the values in Field A from table 2
for those identifiers in Table 1 which are not found in Table 2, I need to put a default value which I specify
How do I do this?or, to put it another way, how do I identify which identifiers in table 1 are not found in table 2?
In excel I would use and IF clause with "vlookup" and "IsError" and it would look like this:if
vlookup returns an error because it cannot find one identifier from table 1 in table 2
put the default value which I specify
use the value returned by vlookup
so I guess what I'm asking is which is the equivalent of "IsError" function from Excel in Qlik Sense?
the problem is most likely trivial, but not for me
Go to Solution.
You can use Mapping load for this, any sample data will be useful to give you an example
You can achieve this via mapping tables:
(the mapping table must have only 2 FIELDS)
Try this and you'll understand :
LOAD * INLINE [
*,applymap('MAP',CODE,'Missing') as Description;
Refer to this document :
thank you, I solved my problem, it's a nice feature