Issues with NULL in an added and custom column

0 votes

I own two tables. The sales ratio is the primary table. It has the name of the products. These names are lengthy, though, because the technical description is appended right after the name. For example: an iron bar comes as a 2' H type iron bar. The number of sold things is enormous.

The names of certain sold items are the only things on the second list. Consider an iron bar.

I therefore created a piece of code that adds a new column to the primary table and performs a search to see if any of the words from table 2 are present in that record. If it is discovered, table 2 item is returned. Thus, keeping the example, it find iron rod and return it to me.

My problem is when in the main list there is no item that is registered in the second table: it returns null. Then, in the next phase, Power Query throws an error claiming that it was unable to convert null to text.

Can you please help me to resolve this situation?

let
    Fonte = Lista_gerada_pelo_programa,
    #"Colunas Removidas" = Table.RemoveColumns(Fonte,{"Tomador - CNPJ", "Tomador - Razão Social", "CTe - Nº"}),
    #"Personalização Adicionada" = Table.AddColumn(#"Colunas Removidas", "NOVA", each Table.SelectRows(Lista_Variacoes,  (x)=> Text.Contains ([Produto], x[Variacoes], Comparer.OrdinalIgnoreCase) )),
    #"NOVA_Expandido" = Table.ExpandTableColumn(#"Personalização Adicionada", "NOVA", {"Produto", "Variacoes"}, {"NOVA.Produto", "NOVA.Variacoes"})
in
    #"NOVA_Expandido"
Mar 24, 2023 in Others by narikkadan
• 63,420 points
198 views

1 answer to this question.

0 votes

Try this:

    Fonte = Lista_gerada_pelo_programa,
    #"Colunas Removidas" = Table.RemoveColumns(Fonte,{"Tomador - CNPJ", "Tomador - Razão Social", "CTe - Nº"}),
    #"Personalização Adicionada" = Table.AddColumn(#"Colunas Removidas", "NOVA", each Table.SelectRows(Lista_Variacoes,  (x)=> Text.Contains ([Produto] ?? "", x[Variacoes], Comparer.OrdinalIgnoreCase) )),
    #"NOVA_Expandido" = Table.ExpandTableColumn(#"Personalização Adicionada", "NOVA", {"Produto", "Variacoes"}, {"NOVA.Produto", "NOVA.Variacoes"})
in
    #"NOVA_Expandido"
answered Mar 24, 2023 by Kithuzzz
• 38,010 points

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