Statistics - Neptune Data API
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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: