step Method @beta

Advance to the next change.

step(): boolean

@returns true while positioned on a valid change; false when the stream is exhausted. Always returns false once the reader has been consumed by a ChangeUnifier, whose instances already include every row of this reader - do not step a reader after passing it to a ChangeUnifier.

@throws if the native layer encounters an error while reading or decoding the next change.

Returns - boolean

true while positioned on a valid change; false when the stream is exhausted. Always returns false once the reader has been consumed by a ChangeUnifier, whose instances already include every row of this reader - do not step a reader after passing it to a ChangeUnifier.

Defined in

Last Updated: 05 November, 2026