Module guarantee

datafusion_physical_expr::utils

Module guarantee

Expand description

LiteralGuarantee predicate analysis to determine if a column is a constant.

Structs§

ColInList 🔒: Represents a single col [not]in literal expression
ColOpLit 🔒: Represents a single col [not]in literal expression
GuaranteeBuilder 🔒: Combines conjuncts (aka terms ANDed together) into LiteralGuarantees, preserving insert order
LiteralGuarantee: Represents a guarantee that must be true for a boolean expression to evaluate to true.

Enums§

ColOpLitOrInList 🔒: Represents a single col [not]in literal expression or a single col <op> literal expression
Guarantee: What is guaranteed about the values for a LiteralGuarantee?

Functions§

find_common_columns 🔒: Find columns that appear in all termsets