Created
September 17, 2019 08:26
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// RecursiveTableStorage | |
let | |
Base64Encode = (str as text) => Binary.ToText(Text.ToBinary(str, BinaryEncoding.Base64)), | |
CreateContinuationTokens = (partitionkey as text, rowkey as text) => | |
let | |
tokenPrefix = "1", | |
combineToken = "!", | |
encodedPartition = Base64Encode(partitionkey), | |
encodedRow = Base64Encode(rowkey), | |
nextPartKey = Text.Combine({tokenPrefix, Text.From(Text.Length(encodedPartition)), encodedPartition}, combineToken), | |
nextRowKey = Text.Combine({tokenPrefix, Text.From(Text.Length(encodedRow)), encodedRow}, combineToken), | |
result = [ NextPartitionKey = nextPartKey, NextRowKey = nextRowKey] | |
in | |
result, | |
Func = (query as record, optional continuationTokens as record) => | |
let | |
queryCombine = if continuationTokens = null then query else Record.Combine({query, continuationTokens}), | |
result = Json.Document(Web.Contents("https://storagename.table.core.windows.net/tablename", [ Headers=[Accept="application/json;odata=nometadata"], Query = queryCombine ])), | |
resultAsList = result[value], | |
lastInList = List.Last(resultAsList), | |
tokens = CreateContinuationTokens(lastInList[PartitionKey], lastInList[RowKey]), | |
resultList = if List.Count(resultAsList) > 1 then List.Combine({resultAsList, RecursiveTableStorage(query, tokens)}) else resultAsList | |
in | |
resultList | |
in | |
Func | |
// CallQuery | |
let | |
queryParameters = [ st = "2019-08-20T10:00:00Z", | |
se = "2030-08-25T10:00:00Z", | |
sp = "r", | |
sv = "2018-05-30", | |
tn = "tablename", | |
sig = "abcdefghijklmnopqrstuvwxyz" | |
], | |
tabledata = Table.FromRecords(RecursiveTableStorage(queryParameters)), | |
distinctRows = Table.Distinct(tabledata, {"PartitionKey", "RowKey"}), | |
in | |
distinctRows |
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