RowChange.Builder rowChangeBuider = RowChange.newBuilder();
rowChangeBuider.setTableId(event.getTableId());
rowChangeBuider.setIsDdl(false);
rowChangeBuider.setEventType(eventType);
RowsLogBuffer buffer = event.getRowsBuf(charset.name());
BitSet columns = event.getColumns();
BitSet changeColumns = event.getColumns();
TableMeta tableMeta = null;
if (tableMetaCache != null) {// 入错存在table meta cache
tableMeta = tableMetaCache.getTableMeta(table.getDbName(), table.getTableName());
if (tableMeta == null) {
throw new CanalParseException("not found [" + fullname + "] in db , pls check!");
}
}
while (buffer.nextOneRow(columns)) {
// 处理row记录
RowData.Builder rowDataBuilder = RowData.newBuilder();
if (EventType.INSERT == eventType) {
// insert的记录放在before字段中
parseOneRow(rowDataBuilder, event, buffer, columns, true, tableMeta);
} else if (EventType.DELETE == eventType) {
// 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);