Rename

Processor that renames columns. It accepts either a direct mapping of old name to new name, or a parallel cols and out pair giving the source columns and their new names. Exactly one of the two modes must be provided.

Configuration

Selected as name: rename.

Option	Description	Type	Default
`map`	Mapping of existing column name to new name (mapping mode).	mapping	`null`
`cols`	Columns to rename (paired mode, with `out`).	column(s)	`null`
`out`	New names, positionally matched to `cols`.	column(s)	`null`

- name: rename
  kwargs:
    map: { dom_x: x, dom_y: y, dom_z: z }