Lookup table in AddColumns

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Posted on by WebPortal

2,295

This is my "Tab" collection:

It was built with a ClearCollect (... AddColumns(....)) expression.

Now, I want to Lookup the "ID_Evento" column in another table. Is this possible to do within the same expression within the AddColumns, or do I have to create another expression?

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Answers (1)

RandyHayes 76,297 Super User 2024 Season 1 on at

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@WebPortal

Sure, in your AddColumn formula, just do the Lookup there.

AddColumns( your existing formmula, "yourLookup", LookUp(otherTable, criteria) )

I hope this is helpful for you.

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WebPortal 2,295 on at

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@RandyHayes

This is the entire formula:
ClearCollect(
Tabs,
AddColumns(
GroupBy(
Eventos,
"ID_Evento",
"Tab"
),
"DataIni",
Text(
Min(
Tab,
'Data de Início'
),
"[$-en-US]dd/mm/yyyy"
),
"IDCurso",
Max(
Tab,
ID_Curso
),
"IDFormador",
Max(
Tab,
ID_Formador
),
"Valor",
Sum(
Tab,
Valor
),
"Local",
First(
Sort(
Tab,
'Local de realização',
Ascending
)
).'Local de realização',
"Tipologia",
First(
Sort(
Tab,
Tipologia,
Ascending
)
).Tipologia,
"Modalidade",
First(
Sort(
Tab,
Modalidade,
Ascending
)
).Modalidade,
"Estado",
First(
Sort(
Tab,
'Estado',
Ascending
)
).'Estado',
"TituloCurso",LookUp(Cursos, ID_Curso = IDCurso).Designação
)
)

The last part in the LookUp I'm getting an error:

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Verified answer

RandyHayes 76,297 Super User 2024 Season 1 on at

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@WebPortal

Yes, that name does not exist in the scope of your AddColumns. If you were to do another AddColumns outside of the AddColumns, then it would exist.

But the simpler answer is the following:

ClearCollect( Tabs, AddColumns( GroupBy(Eventos, "ID_Evento", "Tab" ), "DataIni", Text(Min(Tab,'Data de Início'), "[$-en-US]dd/mm/yyyy"), // NOTE: Min is not reliable on Dates "IDCurso", Max(Tab, ID_Curso), "IDFormador", Max(Tab, ID_Formador), "Valor", Sum(Tab, Valor), "Local", First(Sort(Tab,'Local de realização',Ascending)).'Local de realização', "Tipologia", First(Sort(Tab,Tipologia,Ascending)).Tipologia, "Modalidade", First(Sort(Tab,Modalidade,Ascending)).Modalidade, "Estado", First(Sort(Tab,'Estado',Ascending)).'Estado', "TituloCurso", LookUp(Cursos, ID_Curso = Max(Tab, ID_Curso)).Designação ) )

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WebPortal 2,295 on at

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@RandyHayes
Ok, that makes sense, thanks for helping!

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