// delete的记录放在before字段中
parseOneRow(rowDataBuilder, event, buffer, columns, false, tableMeta);
} else {
// update需要处理before/after
parseOneRow(rowDataBuilder, event, buffer, columns, false, tableMeta);
if (!buffer.nextOneRow(changeColumns)) {
rowChangeBuider.addRowDatas(rowDataBuilder.build());
break;
}
parseOneRow(rowDataBuilder, event, buffer, event.getChangeColumns(), true, tableMeta);