Module common_subexpr_eliminate 

CommonSubexprEliminate to avoid redundant computation of common sub-expressions

Structs

CommonSubexprEliminate

Performs Common Sub-expression Elimination optimization.

ExprCSEController 🔒

Enums

ExprMask 🔒

Which type of expressions should be considered for rewriting?

Constants

CSE_PREFIX 🔒

Functions

build_common_expr_project_plan 🔒

Build the “intermediate” projection plan that evaluates the extracted common expressions.

build_recover_project_plan 🔒

Build the projection plan to eliminate unnecessary columns produced by the “intermediate” projection plan built in build_common_expr_project_plan.

extract_expressions 🔒

get_consecutive_window_exprs 🔒

Get all window expressions inside the consecutive window operators.