experimental.preview() function
experimental.preview() is subject to change at any time.
experimental.preview() limits the number of rows and tables in the stream.
Included group keys are not deterministic and depends on the order that the engine sends them.
Function type signature
(<-tables: stream[A], ?nrows: int, ?ntables: int) => stream[A] where A: Record
For more information, see Function type signatures.
Parameters
nrows
Maximum number of rows per table to return. Default is 5.
ntables
Maximum number of tables to return.
Default is 5.
tables
Input data. Default is piped-forward data (<-).
Examples
Preview data output
import "experimental"
import "sampledata"
sampledata.int()
|> experimental.preview()
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