Table.ReplaceValue
Table.ReplaceValue(table as table, oldValue as any, newValue as any, replacer as function, columnsToSearch as list) as table
在 table
的指定列中将 oldValue
替换为 newValue
。
将文本“goodbye”替换为 B 列中的“world”,仅匹配整个值。
使用情况
Table.ReplaceValue(
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "goodbye"],
[A = 3, B = "goodbyes"]
}),
"goodbye",
"world",
Replacer.ReplaceValue,
{"B"}
)
输出
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "world"],
[A = 3, B = "goodbyes"]
})
将文本“ur”替换为 B 列中的“or”,匹配值的任何部分。
使用情况
Table.ReplaceValue(
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "wurld"]
}),
"ur",
"or",
Replacer.ReplaceText,
{"B"}
)
输出
Table.FromRecords({
[A = 1, B = "hello"],
[A = 2, B = "world"]
})
匿名化美国员工的姓名。
使用情况
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"}
)
输出
Table.FromRecords({
[Name = "*****", Country = "US"],
[Name = "Bob", Country = "CA"]
})
匿名化美国员工的所有列。
使用情况
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"}
)
输出
Table.FromRecords({
[Name = "?????", Country = "??"],
[Name = "Bob", Country = "CA"]
})