Module plan 

Logical plan type definitions for OxiSQL.

This module defines the AST-level relational algebra types produced by the planner. All types are re-exported from the crate root.

Structs

SortExpr

A single ORDER BY sort key.

WindowFunctionDef

A single window-function definition extracted from a SELECT projection.

Enums

JoinType

Join algorithm / semantic type.

LogicalPlan

AST-level logical query plan produced by crate::plan_statement.

SetOpType

Set-operation kind.