Table.ReplaceValue
將指定之資料行中的某個值取代成另一個值。
Syntax
Table.ReplaceValue(
table as table,
oldValue as any,
newValue as any,
replacer as function,
columnsToSearch as list
) as table
Remarks
將表格中指定欄位的值替換為新值。
table: 要搜尋的資料表。oldValue: 要取代的值。newValue: 取代值。replacer: 要使用的取代函式。函式可以是Replacer.ReplaceText,用新文字取代原始文字:Replacer.ReplaceValue,用新值取代原始值: 或是自訂的取代函式。columnsToSearch: 包含表格中特定欄位或欄位清單,用於搜尋要取代的值。
Examples
Example #1
以資料行 B 中的「world」取代文字「goodbye」,僅比對整個值。
Table.ReplaceValue(
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "goodbye"],
[A = 3, B = "goodbyes"]
}),
"goodbye",
"world",
Replacer.ReplaceValue,
{"B"}
)
Result:
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "world"],
[A = 3, B = "goodbyes"]
})
Example #2
以資料行 B 中的「or」取代文字「ur」,比對值的任何部分。
Table.ReplaceValue(
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "wurld"]
}),
"ur",
"or",
Replacer.ReplaceText,
{"B"}
)
Result:
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "world"]
})
Example #3
匿名美國員工的名稱。
Table.ReplaceValue(
Table.FromRecords({
[Name = "Cindy", Country = "US"],
[Name = "Bob", Country = "CA"]
}),
each if [Country] = "US" then [Name] else false,
each Text.Repeat("*", Text.Length([Name])),
Replacer.ReplaceValue,
{"Name"}
)
Result:
Table.FromRecords({
[Name = "*****", Country = "US"],
[Name = "Bob", Country = "CA"]
})
Example #4
匿名美國員工的所有資料行。
Table.ReplaceValue(
Table.FromRecords({
[Name = "Cindy", Country = "US"],
[Name = "Bob", Country = "CA"]
}),
each [Country] = "US",
"?",
(currentValue, isUS, replacementValue) =>
if isUS then
Text.Repeat(replacementValue, Text.Length(currentValue))
else
currentValue,
{"Name", "Country"}
)
Result:
Table.FromRecords({
[Name = "?????", Country = "??"],
[Name = "Bob", Country = "CA"]
})
Category
Table.Transformation