DROP INDEX idx_threads_section_recency_at_ms;
DROP INDEX idx_threads_section_position;

CREATE INDEX idx_threads_section_recency_at_ms
    ON threads(archived, thread_section_id, recency_at_ms DESC, id DESC)
    WHERE thread_section_id IS NOT NULL;

CREATE INDEX idx_threads_section_position
    ON threads(archived, thread_section_id, section_position ASC, id ASC)
    WHERE thread_section_id IS NOT NULL;