tableFind() extracts the first table in a stream with group key values that
match a specified predicate.
Function type signature
(<-tables: stream[B], fn: (key: A) => bool) => stream[B] where A: Record, B: Record
(Required) Predicate function to evaluate input table group keys.
tableFind() returns the first table that resolves as
The predicate function requires a
key argument that represents each input
table’s group key as a record.
Input data. Default is piped-forward data (
Extract a table from a stream of tables
import "sampledata" t = sampledata.int() |> tableFind(fn: (key) => key.tag == "t2")// t represents the first table in a stream whose group key // contains "tag" with a value of "t2".
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