Module expr_simplifier 

Expression simplification API

Structs

Canonicalizer 🔒

Canonicalize any BinaryExprs that are not in canonical form

ConstEvaluator 🔒

Partially evaluate Exprs so constant subtrees are evaluated at plan time.

ExprSimplifier

This structure handles API for expression simplification

Simplifier 🔒

Simplifies Exprs by applying algebraic transformation rules

Enums

ConstSimplifyResult 🔒

The simplify result of ConstEvaluator

Constants

DEFAULT_MAX_SIMPLIFIER_CYCLES

THRESHOLD_INLINE_INLIST

Functions

are_inlist_and_eq 🔒

are_inlist_and_eq_and_match_neg 🔒

as_inlist 🔒

Try to convert an expression to an in-list expression

as_string_scalar 🔒

has_common_conjunction 🔒

inlist_except 🔒

Return the all items in l1 that are not in l2 maintaining the order of the elements in the two lists

inlist_intersection 🔒

Return the intersection of two inlist expressions maintaining the order of the elements in the two lists

inlist_union 🔒

Return the union of two inlist expressions maintaining the order of the elements in the two lists

is_exactly_true 🔒

Returns expression testing a boolean expr for being exactly true (not false or NULL).

simplify_right_is_one_case 🔒

to_inlist 🔒

to_string_scalar 🔒