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questdb
ideoma
ideoma commented Jun 1, 2021

Describe the bug
Sometimes alias time does not work

To Reproduce

create table tst (
timestamp timestamp
)

select timestamp time from tst

Expected behavior
Result column name is timestamp but should be time

Screenshots

Environment (please complete the following information):

  • Version: 6.0.2

Additional context
This is the workaround sy

proddata
proddata commented Apr 23, 2021

Use case:
Right now one can only use date_trunc() to easily define time buckets. date_trunc() only supports predefine time intervals like 1 minute, 1 hour, etc. . In time-series use cases it is often necessary to define different time bucket sizes like e.g. '5 minutes' or '20 minutes'

a workaround for this is the - error prone - integer division on the timestamp e.g.

S

Blynk is an Internet of Things Platform aimed to simplify building mobile and web applications for the Internet of Things. Easily connect 400+ hardware models like Arduino, ESP8266, ESP32, Raspberry Pi and similar MCUs and drag-n-drop IOT mobile apps for iOS and Android in 5 minutes

  • Updated Jun 2, 2021
  • Java

JetLinks 基于Java8,Spring Boot 2.x ,WebFlux,Netty,Vert.x,Reactor等开发, 是一个全响应式的企业级物联网平台。支持统一物模型管理,多种设备,多种厂家,统一管理。统一设备连接管理,多协议适配(TCP,MQTT,UDP,CoAP,HTTP等),屏蔽网络编程复杂性,灵活接入不同厂家不同协议等设备。实时数据处理,设备告警,消息通知,数据转发。地理位置,数据可视化等。能帮助你快速建立物联网相关业务系统。

  • Updated Jun 4, 2021
  • Java

🐝 IoT Technical Guide --- 从零搭建高性能物联网平台及物联网解决方案和Thingsboard源码分析 (IoT Platform, SaaS, MQTT, CoAP, HTTP, Modbus, OPC, WebSocket, 物模型,Protobuf, PostgreSQL, MongoDB, Spring Security, OAuth2, RuleEngine, Kafka, Docker)

  • Updated May 27, 2021
  • Java

SiteWhere is an industrial strength open-source application enablement platform for the Internet of Things (IoT). It provides a multi-tenant microservice-based infrastructure that includes device/asset management, data ingestion, big-data storage, and integration through a modern, scalable architecture. SiteWhere provides REST APIs for all system functionality. SiteWhere provides SDKs for many common device platforms including Android, iOS, Arduino, and any Java-capable platform such as Raspberry Pi rapidly accelerating the speed of innovation.

  • Updated May 6, 2021
  • Java
hivemq-mqtt-client
Sarek
Sarek commented Apr 22, 2020

Problem or use case

The client is currently only logging errors and warnings. For debugging purposes and during application development, it would be very useful to also have logs detailing the message flow.

Preferred solution or suggestions

TRACE level logging for incoming and outgoing MQTT control packet types, e.g., PUBLISH, SUBSCRIBE, PUBACK, SUBACK.

mcicolella
mcicolella commented Oct 14, 2018

Freedomotic supports more than 20 languages using Transifex.
We are searching contributors for new languages or existing translations.

Solution 1 (recommanded in particular for a new language)

Solution 2

  • Wor

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