Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
datafusion::physical_expr::analysis - Rust
[go: Go Back, main page]

Expand description

Interval and selectivity in AnalysisContext

Structs

  • The shared context used during the analysis of an expression. Includes the boundaries for all known columns.
  • 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

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