Method onConflict

packages/sql/src/query/QueryBuilder.ts:1916–1932

(
    fields: F | F[] | RawQueryFragment = [] as F[],
  )

  }

  onConflict<F extends Field<Entity, RootAlias, Context>>(
    fields: F | F[] | RawQueryFragment = [] as F[],
  ): InsertQueryBuilder<Entity, RootAlias, Context> {
    const meta = this.mainAlias.meta as EntityMetadata<Entity>;
    this.ensureNotFinalized();
    this.#state.onConflict ??= [];
    this.#state.onConflict.push({
      fields: isRaw(fields)
        ? fields
        : Utils.asArray(fields as string).flatMap(f => {
            const key = f.toString() as EntityKey<Entity>;
            /* v8 ignore next */
            return meta.properties[key]?.fieldNames ?? [key];
          }),
    });
    return this as unknown as InsertQueryBuilder<Entity, RootAlias, Context>;
  }

  ignore(): this {
    if (!this.#state.onConflict) {