import type { SQL } from '../db/types.js';
import type { DefinedTable, FieldRecord } from '../domain/types.js';
export type WriteVerb = 'insert' | 'update' | 'delete' | 'upsert';
/**
 * What the caller asked the write to return.
 *
 * - `null` (default) — no `RETURNING` clause; the executor resolves to `void`.
 * - `'all'` — `RETURNING *`; the executor resolves to every column on the row.
 * - `Record<string, unknown>` — a per-field projection, as accepted by
 *   drizzle's `.returning(...)` (column references, sql expressions, etc.).
 */
export type ReturningShape = Record<string, unknown> | 'all' | null;
export interface WriteState {
    readonly verb: WriteVerb;
    readonly table: DefinedTable<any>;
    /** `set` clause for `update` / `upsert`. */
    readonly set?: Record<string, unknown>;
    /** Row values for `insert` / `upsert`. */
    readonly values?: ReadonlyArray<Record<string, unknown>>;
    /** `where` clause for `update` / `delete`. */
    readonly where?: SQL;
    /** Conflict-target columns for `upsert`. */
    readonly onConflictColumns?: readonly string[];
    /** What `RETURNING` should produce. `null` (default) emits no RETURNING. */
    readonly returning?: ReturningShape;
}
/** Carrier type used by the builders' chain methods to mutate `WriteState` immutably. */
export type FieldRecordTable = DefinedTable<FieldRecord>;
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