Method init

packages/sql/src/query/QueryBuilder.ts:3357–3384

(type: QueryType, data?: any, cond?: any)

  }

  protected init(type: QueryType, data?: any, cond?: any): this {
    this.ensureNotFinalized();
    this.#state.type = type;

    if ([QueryType.UPDATE, QueryType.DELETE].includes(type) && Utils.hasObjectKeys(this.#state.cond)) {
      throw new Error(
        `You are trying to call \`qb.where().${type.toLowerCase()}()\`. Calling \`qb.${type.toLowerCase()}()\` before \`qb.where()\` is required.`,
      );
    }

    if (!this.helper.isTableNameAliasRequired(type)) {
      this.#state.fields = undefined;
    }

    if (data) {
      if (Utils.isEntity(data)) {
        data = this.em?.getComparator().prepareEntity(data as Entity) ?? serialize(data as Entity);
      }

      this.#state.data = this.helper.processData(data, this.#state.flags.has(QueryFlag.CONVERT_CUSTOM_TYPES), false);
    }

    if (cond) {
      this.where(cond);
    }

    return this;
  }

  private getQueryBase(processVirtualEntity: boolean): NativeQueryBuilder {
    const qb = this.platform.createNativeQueryBuilder().setFlags(this.#state.flags);