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zbaker83
Frequent Visitor

Help with conversion matrix in Power Query

I have a list of Values coming from a source SQL. This list of values is related to a Sales Order and is not in the a "clean" format for configuration buidling. My idea is to have a table as follows:

zbaker83_1-1701214869171.png

Where the data represents a single designed configuration of values based on the Sales Order. Example in row 1,

for "-S01" the values are "65K AIC SYM", "50 DEGREES C", etc.

 

I then want to convert this using values that are "clean" in my opinion. For this, I have a value to value conversion table. For example, the value "65K AIC SYM" converts to "65K".

 

My final table I would like to look like this:

Col 1 Row 1 = hmb-->65K AIC SYM//50 DEGREES C//...

Col 2 Row 1 = hmb-->65K//50C//...

 

This will allow Col 1 to relate to my customer sales orders and Col 2 to relate to my configuration. Any help would be greatly appreciated as I have been stuck on this for some time.

 

1 REPLY 1
AlienSx
Super User
Super User

hello, @zbaker83 first you need to wrap your replacements into a record with "old" values as record fields and "new" values as field values like [65K AIC SYM = 65K, 50 DEGREES C = 50C, ...]. You can create this manually but better to create this table in Excel. This should be table with 2 columns: Name and Value. Then load it to PQ and apply Record.FromTable function to this table.

rec = Record.FromTable(rec_tbl)

this gives you your record. Then use it in Record.FieldOrDefault function like this:

    new_col = Table.AddColumn(
        data_table, "my_configuration",
        (x) =>
            [lst = Splitter.SplitTextByAnyDelimiter({"//", "/"})(x[data]),
            tx = List.Transform(lst, (w) => Record.FieldOrDefault(rec, w, w)),
            txt = Text.Combine(tx, "//")][txt]
    )

 

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