Module ast 

Structs

ColumnDef

SQL column definition

Function

A function call

ObjectName

A name of a table, view, custom type, etc., possibly multi-part, i.e. db.schema.obj

OrderByExpr

An ORDER BY expression

Enums

BinaryOperator

Binary operators

DataType

SQL data types

Expr

An SQL expression of any type.

FunctionArg

FunctionArgExpr

Statement

A top-level statement (SELECT, INSERT, CREATE, etc.)

TableConstraint

A table-level constraint, specified in a CREATE TABLE or an ALTER TABLE ADD <constraint> statement.

TransactionMode

UnaryOperator

Unary operators

Value

Primitive SQL values such as number and string