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DB_Table.take

takerange

Group: Selections
Aliases: first, head, keep, last, limit, sample, slice, tail, top

Documentation​

Creates a new Table with the specified range of rows from the input Table.

For the purposes of the Index_Sub_Range.While predicate a single "element" of the table is represented by the Row type.

Arguments​

  • range: The selection of rows from the table to return.

Examples​

Take first 10 rows of the table.​

      table.take (..First 10)

Take rows from the top of the table as long as their values sum to 10.​

      table.take (While row-> row.to_vector.compute Statistic.Sum == 10)

Remarks​

Supported Range Types​

Database backends support all range types except While and Sample

In-memory tables support all range types.