import { AlterTypeAction } from "./AlterAction";
import { BaseNode, Keyword } from "./Base";
import { ColumnDefinition } from "./CreateTable";
import { EntityName, ListExpr, ParenExpr } from "./Expr";
import { StringLiteral } from "./Literal";
export type AllTypeNodes = AllTypeStatements | TypeDefinition;
export type AllTypeStatements = CreateTypeStmt | AlterTypeStmt | DropTypeStmt;
export interface CreateTypeStmt extends BaseNode {
    type: "create_type_stmt";
    createTypeKw: [Keyword<"CREATE">, Keyword<"TYPE">];
    name: EntityName;
    definition?: TypeDefinition;
}
type TypeDefinition = EnumTypeDefinition | CompositeTypeDefinition;
export interface CompositeTypeDefinition extends BaseNode {
    type: "composite_type_definition";
    asKw: Keyword<"AS">;
    columns: ParenExpr<ListExpr<ColumnDefinition>>;
}
export interface EnumTypeDefinition extends BaseNode {
    type: "enum_type_definition";
    asEnumKw: [Keyword<"AS">, Keyword<"ENUM">];
    values: ParenExpr<ListExpr<StringLiteral>>;
}
export interface AlterTypeStmt extends BaseNode {
    type: "alter_type_stmt";
    alterTypeKw: [Keyword<"ALTER">, Keyword<"TYPE">];
    name: EntityName;
    actions: ListExpr<AlterTypeAction>;
}
export interface DropTypeStmt extends BaseNode {
    type: "drop_type_stmt";
    dropTypeKw: [Keyword<"DROP">, Keyword<"TYPE">];
    ifExistsKw?: [Keyword<"IF">, Keyword<"EXISTS">];
    types: ListExpr<EntityName>;
    behaviorKw?: Keyword<"CASCADE" | "RESTRICT">;
}
export {};