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let fnCreateDimID = | |
(fact as table, col_name as text)=> | |
let | |
fnCreateDim = (fact as table, col_name as text)=> | |
let | |
removed_cols = Table.SelectColumns(fact,{col_name}), | |
dedupe = Table.Distinct(removed_cols), | |
sorted = Table.Sort(dedupe,{{col_name, Order.Ascending}}), | |
id_name = col_name & "_id", | |
add_index = Table.AddIndexColumn(sorted, col_name & "_id", 1, 1, Int64.Type), | |
order = Table.ReorderColumns(add_index,{id_name, col_name}) | |
in | |
order, | |
dim= fnCreateDim(fact, col_name), | |
Join = Table.Join(fact, col_name, dim, col_name), | |
Remove = Table.RemoveColumns(Join, col_name) | |
in | |
Remove, | |
fnType = type function (fact as table, col_name as text) as table | |
meta [ | |
Documentation.Name = "fnCreateDimID", | |
Documentation.LongDescription | |
= "This take a table and a column in that table. It then replaces the column with a key." | |
] | |
in | |
Value.ReplaceType(fnCreateDimID, fnType) |
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