Method #parseErrorMessage

packages/pg-protocol/src/parser.ts:413–451

(
    offset: number,
    length: number,
    bytes: ArrayBuffer,
    name: MessageName,
  )

  }

  #parseErrorMessage(
    offset: number,
    length: number,
    bytes: ArrayBuffer,
    name: MessageName,
  ) {
    this.#reader.setBuffer(offset, bytes)
    const fields: Record<string, string> = {}
    let fieldType = this.#reader.string(1)
    while (fieldType !== '\0') {
      fields[fieldType] = this.#reader.cstring()
      fieldType = this.#reader.string(1)
    }

    const messageValue = fields.M

    const message =
      name === 'notice'
        ? new NoticeMessage(length, messageValue)
        : new DatabaseError(messageValue, length, name)

    message.severity = fields.S
    message.code = fields.C
    message.detail = fields.D
    message.hint = fields.H
    message.position = fields.P
    message.internalPosition = fields.p
    message.internalQuery = fields.q
    message.where = fields.W
    message.schema = fields.s
    message.table = fields.t
    message.column = fields.c
    message.dataType = fields.d
    message.constraint = fields.n
    message.file = fields.F
    message.line = fields.L
    message.routine = fields.R
    return message
  }
}