Support `WHERE()` on `INSERT ON CONFLICT DO UPDATE` about jet HOT 2 CLOSED

    // on conflict target
    ON_CONFLICT(table.Resource.ID).WHERE(table.Resource.ParentID.EQ(postgres.UUID(parent.ID)))
    DO_UPDATE(postgres.SET(
      table.Resource.Name.SET(table.Resource.EXCLUDED.Name),
    )).

    // on conflict action
    ON_CONFLICT(table.Resource.ID)
    DO_UPDATE(postgres.SET(
             table.Resource.Name.SET(table.Resource.EXCLUDED.Name),
        ).WHERE(
             table.Resource.ParentID.EQ(postgres.UUID(parent.ID)).
        ),
    ).