Specifies the amount of compression that will be used by the compression routines during push and pull operations 指定壓縮例程在推送和提取操作期間將使用的壓縮量。
If the data from the server must be refreshed after a particular push to the server , the application does not allow additional changes to the table until the push and pull operations are both complete 如果在到服務(wù)器的特定推送之后必須刷新來(lái)自服務(wù)器的數(shù)據(jù),則在推送和請(qǐng)求操作均完成之前,應(yīng)用程序不允許對(duì)表進(jìn)行其他更改。
Because a pull operation requires that the specific local table not be present at the time of the pull , and the table is created during the process of pulling the data from the server , the table being pulled cannot be accessed until the pull operation is complete 因?yàn)檎?qǐng)求操作要求在推送時(shí)不存在特定本地表,而且該表是在從服務(wù)器請(qǐng)求數(shù)據(jù)的過(guò)程中創(chuàng)建的,所以在請(qǐng)求操作完成之前,無(wú)法訪問(wèn)被請(qǐng)求的表。