HistoryQueryArgs Class Properties
- Last UpdatedAug 21, 2026
- 4 minute read
For a list of all members of this type, see HistoryQueryArgs members.
| Name | Description | |
|---|---|---|
 | AggregationType | Gets or sets the type of calculation to return for the query. |
| BatchSize | The number of rows to return per batch. (Inherited from ArchestrA.BaseQueryArgs) |
| DataVersion | Gets or sets the version of stored data that should be retrieved. (Inherited from ArchestrA.BaseQueryArgs) |
| EndDateTime | Gets or sets the ending date/time for the history query. (Inherited from ArchestrA.BaseQueryArgs) |
| Expression | Set the unit of measurement expression, or a supported arithmetic, logical or time-series function (Inherited from ArchestrA.BaseQueryArgs) |
| Filter | Gets or sets the name of the filter for analog tags. |
| InterpolationType | Gets or sets the type of interpolation for the query. |
| IntervalCount | Gets or sets the time interval count. (Inherited from ArchestrA.BaseQueryArgs) |
| IntervalType | Gets or sets the time interval type. (Inherited from ArchestrA.BaseQueryArgs) |
| Lcid | The lcid of unit. (Inherited from ArchestrA.BaseQueryArgs) |
| MaxStates | The maximum number of states that are stored . |
| Option | |
| QualityRule | Gets or sets whether values with certain characteristics are explicitly excluded from consideration by data retrieval. |
| Resolution | Gets or sets the sampling rate that is used for the query. (Inherited from ArchestrA.BaseQueryArgs) |
| ResultBufferSize | The size of the buffer for result (Inherited from ArchestrA.BaseQueryArgs) |
| RetrievalMode | Gets or sets the retrieval mode for the history query. (Inherited from ArchestrA.BaseQueryArgs) |
| SkipRows | The number of rows to be skipped. (Inherited from ArchestrA.BaseQueryArgs) |
| StartDateTime | Gets or sets the starting date/time for the history query. (Inherited from ArchestrA.BaseQueryArgs) |
| TagNames | Gets the list of tag names for the query. (Inherited from ArchestrA.BaseQueryArgs) |
| TimeDeadband | Gets or sets the minimum time, in milliseconds, between returned values for a single tag. |
| TimeStampRule | Gets or sets whether cyclic results are timestamped at the beginning of the cycle or at the end of the cycle. |
| TimeZone | Gets or sets the time zone. (Inherited from ArchestrA.BaseQueryArgs) |
| Unit | Returns the unit of measurement (Inherited from ArchestrA.BaseQueryArgs) |
| ValueDeadband | Gets or sets the percentage of full scale (range), in engineering units. |
| ValueSelector | Gets or sets the column to return for specified analog summary tags. |