Extracts page from array or slice This function would call Paging.SetTotalCount function on input paging.

Builds a dialect for default SQL language DefaultDirection - nothing(by default value of database) Ascending - Omit "ASC" Descending - Omit "DESC".

Initialize the paging with default values Paging.Size: -1 Paging.Position: -1 Paging.TotalCount: -1 Paging.PageMore: false.

Sorting by ascending.

Deprecated: use utils instead.

Sorting by descending.

Value of undefined id.

Value of undefined string.

e.g.

机器监控和实例监控都会产生Event，共用这么一个struct.

页面上已经可以看到DsType和Step了，直接带进查询条件，Graph更易处理.

DsType 即RRD中的Datasource的类型：GAUGE|COUNTER|DERIVE.

ConsolFun 是RRD中的概念，比如：MIN|MAX|AVERAGE.

Same As `MetricValue`.

e.g.

Represents the data of agent.

Represents the data of target used by NQM agent.

NqmTaskRequest represents the request for ping task by NQM agent.

NqmTaskResponse represents the response for ping task requested from NQM agent If NeedPing is false, Targets and Command would be empty array.

Dialect used to mapping property to column.

The order by.

The paging object used to hold information.

code == 0 => success code == 1 => bad request.