Module datafusion_physical_expr::analysis

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Expand description

Interval and selectivity in AnalysisContext

Structs

  • AnalysisContext
    The shared context used during the analysis of an expression. Includes the boundaries for all known columns.
  • ExprBoundaries
    Represents the boundaries of the resulting value from a physical expression, if it were to be an expression, if it were to be evaluated.

Functions

  • analyze
    Attempts to refine column boundaries and compute a selectivity value.