import type { AnyColumn, Column } from "./column.js";
import type { SQL } from "./sql/sql.js";
import type { Subquery } from "./subquery.js";
import type { Table } from "./table.js";
export type RequiredKeyOnly<TKey extends string, T extends Column> = T extends AnyColumn<{
    notNull: true;
    hasDefault: false;
}> ? TKey : never;
export type OptionalKeyOnly<TKey extends string, T extends Column, OverrideT extends boolean | undefined = false> = TKey extends RequiredKeyOnly<TKey, T> ? never : T extends {
    _: {
        generated: undefined;
    };
} ? (T extends {
    _: {
        identity: undefined;
    };
} ? TKey : T['_']['identity'] extends 'always' ? OverrideT extends true ? TKey : never : TKey) : never;
export type SelectedFieldsFlat<TColumn extends Column> = Record<string, TColumn | SQL | SQL.Aliased | Subquery>;
export type SelectedFieldsFlatFull<TColumn extends Column> = Record<string, TColumn | SQL | SQL.Aliased>;
export type SelectedFields<TColumn extends Column, TTable extends Table> = Record<string, SelectedFieldsFlat<TColumn>[string] | TTable | SelectedFieldsFlat<TColumn>>;
export type SelectedFieldsOrdered<TColumn extends Column> = {
    path: string[];
    field: TColumn | SQL | SQL.Aliased | Subquery;
}[];