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Use Cloud function to start and stop Cloud sql

We have setup a Cloud sql database for development but would like to save cost by shutting it down during night. This article shows how to achieve this. The overall architecture is Cloud function is used to hold Python code

wangts March 10, 2020March 10, 2020 others 3 Comments Read more

Postgresql upgrade from 11.x to 12.1

This is a new post based on my previous “Postgresql upgrade from 9.6 to 10.0“, with necessary updates and corrections. The latest Postgresql 12 (12.1) further improved performance on parallel queries, partitions, automatic (but overridable) inlining of common table expressions (CTEs) .

wangts November 26, 2019November 27, 2019 Uncategorized No Comments Read more

Building a PostgreSQL docker container with debugger (pldebugger)

Further to my previous post, I wanted to enable debugging in PostgreSQL Docker container so that it can be used together with PGAdmin4. The challenge is it is not enabled by default in any of available Docker images; I also

wangts December 4, 2018December 4, 2018 Database, virtualisation 2 Comments Read more

Building a development box on Docker

This article is going to show steps and configurations on how to build a development box (PHP CodeIgniter + Apache + PostgreSQL) using Docker on Windows. Why Docker Comparing to VirtualBox, it’s a lot easier and probably faster Portable. Files

wangts June 7, 2018June 7, 2018 Uncategorized No Comments Read more

Postgresql upgrade from 9.6 to 10.0

The lasted Postgresql 10 brings in a number of exciting new features: parallel queries, partitions, new sequence and logical replication. Below are steps to upgrade v9.6 to v10. It has similar steps as described in my previous post “Postgresql upgrade

wangts October 26, 2017October 26, 2017 Database No Comments Read more

Enable debug in PostgreSQL

PgAdmin comes with built-in support for debugging your Pl/PgSQL programs. However in order to enable this, you’ll have to compile and install extra plug-in to PostgreSQL. I Googled a lot but didn’t find one single post with all steps so

wangts June 15, 2017December 2, 2019 Database 3 Comments Read more

Using Oracle SQL Developer Data Modeller (SDDM) for Postgresql

I have been searching for a good data modelling tool (ER modelling) for Postgresql – have tried a number of products but none of them are satisfactory except for SAP Powerdesigner which I really like. However it’s expensive and I don’t

wangts May 23, 2017 Uncategorized No Comments Read more

Postgresql 10 new features

Personally excited about the new version of Postgresql V10. It’s still in beta stage but it has following exciting new features that I have been waiting for: Table partition. A genuine identify column. The previous serial is implemented by a separate

wangts May 23, 2017 Uncategorized No Comments Read more

Google Cloud Platform – Introduction

I’ve been trying Google Cloud platform for a while and this article is about my experience with it. If you’re interested, you can get free trial for a year ($300 worth of credit). Initially Google Cloud platform looks daunting –

wangts May 16, 2017May 16, 2017 others, Reviews No Comments Read more

Web hosting change

For several years one of my clients had been using Dreamhost which provided stable and good performance service. I was approached though as they received email notification from Dreamhost advising that their VPS server would not be granted full access and

wangts January 23, 2016January 27, 2016 others No Comments Read more

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