Forum Discussion

Anonymous's avatar
Anonymous
Not applicable
2 years ago
Solved

Merge tables with multiple conditions in Power Query

Hi all, I'm trying to merge two tables a FACT Table and a DIM Table. It can easily be done in SQL with a LEFT JOIN, but was curious if there was a way to do this in Power Query. I am trying to pull v...
Need Help
  • jgeddes's avatar
    jgeddes
    2 years ago

    I think what you are looking for would be written like this in Power Query...

    = Table.NestedJoin(#"Changed Type", {"CaseStatus"}, Table.SelectRows(#"DIM Table", each [Category] = "CaseStatus"), {"NumID"}, "DIM Table", JoinKind.LeftOuter)

    In this code there is a Left Outer join between the FACT Table 'CaseStatus' column (#"Changed Type" is the last step before the join in the FACT Table) and the DIM Table 'Num ID' column, The DIM Table is filtered to select rows that have Category = 'CaseStatus'.

jgeddes's avatar
jgeddes
Super User
2 years ago

I think what you are looking for would be written like this in Power Query...

= Table.NestedJoin(#"Changed Type", {"CaseStatus"}, Table.SelectRows(#"DIM Table", each [Category] = "CaseStatus"), {"NumID"}, "DIM Table", JoinKind.LeftOuter)

In this code there is a Left Outer join between the FACT Table 'CaseStatus' column (#"Changed Type" is the last step before the join in the FACT Table) and the DIM Table 'Num ID' column, The DIM Table is filtered to select rows that have Category = 'CaseStatus'.