December 2018
Intermediate to advanced
188 pages
4h 2m
English
Content preview from Apache Superset Quick Start Guide
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Migrating data from SQLite to PostgreSQL
Before we move forward, let's make sure all tables have been migrated from the SQLite database to the newly set up PostgreSQL database.
First, we need to migrate the SQLite metadata database to our new PostgreSQL installation. We will use sequel, an open-source database toolkit available as a Ruby gem. It works very well with migration tasks from sqlite3 to PostgreSQL, which is why we are using it.
We will install OS dependencies and gem dependencies along with the sequel Ruby gem:
sudo apt-get install ruby-dev libpq-dev libsqlite3-devsudo gem install pg sqlite3 sudo gem install sequel
After installing sequel, the migration is as simple as running the following command. Make sure the path to the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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