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"""DeltaFollowUpScanner for append-only streaming reads."""

from pypaimon.read.scanner.follow_up_scanner import FollowUpScanner
from pypaimon.snapshot.snapshot import Snapshot


class DeltaFollowUpScanner(FollowUpScanner):
    """Scans only APPEND commits; skips compaction and maintenance."""

    def should_scan(self, snapshot: Snapshot) -> bool:
        return snapshot.commit_kind == "APPEND"
