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jaryszek's avatar
jaryszek
Super User
6 years ago
Solved

Changing defaults table based on customizations table and composite keys

Hi Guys,   I am using PQ in Excel. i have 2 sources: t_Defaults and t_Customizations with composite Key: Topology&Tier&Function       As a base i am using t_Defaults but what i wan...
Need Help
  • ziying35's avatar
    ziying35
    6 years ago

    jaryszek 

    // t_Customizations
let
    Source = Excel.CurrentWorkbook(){[Name="t_Customizations"]}[Content]
in
    Source

// output
let
    keys = List.FirstN(Table.ColumnNames(t_Customizations), 3),
    acc = List.Accumulate(
              Table.ToRecords(t_Customizations),
              t_Defaults, 
              (s,c)=>let pos = Table.PositionOf(s, Record.SelectFields(c, keys), 0, keys) 
                     in Table.ReplaceRows(s, pos, 1, {c})
          )
in
    acc

// t_Defaults
let
    Source = Excel.CurrentWorkbook(){[Name="t_Defaults"]}[Content]
in
    Source
ziying35's avatar
ziying35
Impactful Individual
6 years ago

jaryszek 

// t_Customizations
let
    Source = Excel.CurrentWorkbook(){[Name="t_Customizations"]}[Content]
in
    Source

// output
let
    keys = List.FirstN(Table.ColumnNames(t_Customizations), 3),
    acc = List.Accumulate(
              Table.ToRecords(t_Customizations),
              t_Defaults, 
              (s,c)=>let pos = Table.PositionOf(s, Record.SelectFields(c, keys), 0, keys) 
                     in Table.ReplaceRows(s, pos, 1, {c})
          )
in
    acc

// t_Defaults
let
    Source = Excel.CurrentWorkbook(){[Name="t_Defaults"]}[Content]
in
    Source