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Hi,
I got the following 2 Tables, the first one which contains all the data, and the Second TABLE which contains only 5 columns, and ColX is present only in Table 2. To link the two tables, I need to create a concatenation of the first 4 columns Col1&Col2&Col3&Col4 of each table in order to make a unique key.
Now I need to load the data from Table 1 only when Col X of Table 2 has certain values, let say 4 or 0.
Which is the best way to load the data in PowerBI and how?
Table 1 | Table 2 |
Col 1 | Col 1 |
Col 2 | Col 2 |
Col 3 | Col 3 |
Col 4 | Col 4 |
. . . | Col X |
Thanks
Solved! Go to Solution.
Hi, @dripet84
Based on your description, I created data to reproduce your scenario. The pbix file is attached in the end.
Table1:
Table2:
You may add a new step with the following m codes for 'Table1'.
= Table.SelectRows(
#"Changed Type",
each let
tab = Table.SelectRows(Table2,(x)=>x[Society]=[Society] and x[Year]=[Year] and x[Trim]=[Trim] and x[Scenario]=[Scenario]),
val = try List.Sum(tab[Col X]) otherwise null
in
if val=4 or val=0
then true
else false
)
Result:
\
Best Regards
Allan
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Hi, @dripet84
Based on your description, I created data to reproduce your scenario. The pbix file is attached in the end.
Table1:
Table2:
You may add a new step with the following m codes for 'Table1'.
= Table.SelectRows(
#"Changed Type",
each let
tab = Table.SelectRows(Table2,(x)=>x[Society]=[Society] and x[Year]=[Year] and x[Trim]=[Trim] and x[Scenario]=[Scenario]),
val = try List.Sum(tab[Col X]) otherwise null
in
if val=4 or val=0
then true
else false
)
Result:
\
Best Regards
Allan
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.
Do either TAble 1 or Table 2 have unique values?
You can do this all in Power Query - merge the columns to create a unique key and filter Table 2 by Column X (just use the filter arrows in Power Query). Then relate the two tables if unique values exist.
https://excelwithallison.blogspot.com/2020/08/its-complicated-relationships-in-power_11.html
Otherwise we need more info on the dataset.
Copying DAX from this post? Click here for a hack to quickly replace it with your own table names
Has this post solved your problem? Please Accept as Solution so that others can find it quickly and to let the community know your problem has been solved.
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I work as a Microsoft trainer and consultant, specialising in Power BI and Power Query.
www.excelwithallison.com
Table 1 has all the data, while Table 2 has the combination of the four columns (Society/Year/Trim/Scenarios and this combination will serve as a key between the two tables) and one additional column which serves as a qualifier of data, so if the value is 4 the data for that specific combination is certified, so I should import the data for that combination from Table 1.
Table 2 is filled only when the value for a specific combination is 4, (so if any combination is non-certified it will be empty), after the combination has been certified, so has value 4, it can be changed (ex. in 1 -not certified) and I don't have to import the data from Table 1.
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