Statistics
Contains statistics information. The DFE engine uses information about the data in your Neptune graph to make effective trade-offs when planning query execution. This information takes the form of statistics that include so-called characteristic sets and predicate statistics that can guide query planning. See Managing statistics for the Neptune DFE to use.
Contents
- active
-
Indicates whether or not DFE statistics generation is enabled at all.
Type: Boolean
Required: No
- autoCompute
-
Indicates whether or not automatic statistics generation is enabled.
Type: Boolean
Required: No
- date
-
The UTC time at which DFE statistics have most recently been generated.
Type: Timestamp
Required: No
- note
-
A note about problems in the case where statistics are invalid.
Type: String
Required: No
- signatureInfo
-
A StatisticsSummary structure that contains:
-
signatureCount- The total number of signatures across all characteristic sets. -
instanceCount- The total number of characteristic-set instances. -
predicateCount- The total number of unique predicates.
Type: StatisticsSummary object
Required: No
-
- statisticsId
-
Reports the ID of the current statistics generation run. A value of -1 indicates that no statistics have been generated.
Type: String
Required: No
See Also
For more information about using this API in one of the language-specific Amazon SDKs, see the following: