整理文档 about canal-go HOT 3 CLOSED

func printEntry(entrys []protocol.Entry) {

	for _, entry := range entrys {
		if entry.GetEntryType() == protocol.EntryType_TRANSACTIONBEGIN || entry.GetEntryType() == protocol.EntryType_TRANSACTIONEND {
			continue
		}
		rowChange := new(protocol.RowChange)

		err := proto.Unmarshal(entry.GetStoreValue(), rowChange)
		checkError(err)
		if rowChange != nil {
			eventType := rowChange.GetEventType()
			header := entry.GetHeader()
			fmt.Println(fmt.Sprintf("================> binlog[%s : %d],name[%s,%s], eventType: %s", header.GetLogfileName(), header.GetLogfileOffset(), header.GetSchemaName(), header.GetTableName(), header.GetEventType()))

			for _, rowData := range rowChange.GetRowDatas() {
				if eventType == protocol.EventType_DELETE {
					printColumn(rowData.GetBeforeColumns())
				} else if eventType == protocol.EventType_INSERT {
					printColumn(rowData.GetAfterColumns())
				} else {
					fmt.Println("-------> before")
					printColumn(rowData.GetBeforeColumns())
					fmt.Println("-------> after")
					printColumn(rowData.GetAfterColumns())
				}
			}
		}
	}
}

func printColumn(columns []*protocol.Column) {
	for _, col := range columns {
		fmt.Println(fmt.Sprintf("%s : %s  update= %t", col.GetName(), col.GetValue(), col.GetUpdated()))
	}
}