To improve performance of this query, an index for the piid attribute has been added as shown in Listing 14.
要改进这个查询的性能，请为piid属性添加索引，参见清单14。
Right after the instantiation of the process, it sets the PIID value in the trade SDO, as shown in Listing 4.
在流程实例化之后，即可在交易sdo中设置piid值，参见清单4。
Two events belong to the same activity instance if they have the same activity template ID (ATID) and the same process instance ID (PIID).
如果两个事件具有相同的活动模板 ID （ATID）和相同的流程实例 ID（PIID），那么这两个事件就属于同一个活动实例。
应用推荐