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datafusion::common::stats - Rust
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datafusion::common

Module stats

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This module provides data structures to represent statistics

Structs§

ColumnStatistics
Statistics for a column within a relation
Statistics
Statistics for a relation Fields are optional and can be inexact because the sources sometimes provide approximate estimates for performance reasons and the transformations output are not always predictable.

Enums§

Precision
Represents a value with a degree of certainty. Precision is used to propagate information the precision of statistical values.