Entries tagged sqlite in 2020
Filters: Type: entry × Year: 2020 × sqlite × Sorted by date
Building a search engine for datasette.io
This week I added a search engine to datasette.io, using the search indexing tool I’ve been building for Dogsheep.
[... 1391 words]Building an Evernote to SQLite exporter
I’ve been using Evernote for over a decade, and I’ve long wanted to export my data from it so I can do interesting things with it.
[... 1879 words]Weeknotes: software carpentry, compiling modules for SQLite
This week I completed the Software Carpentry instructor training course, added two foundational features to sqlite-utils and learned how to compile modules for SQLite.
Refactoring databases with sqlite-utils extract
Yesterday I described the new sqlite-utils transform mechanism for applying SQLite table transformations that go beyond those supported by ALTER TABLE. The other new feature in sqlite-utils 2.20 builds on that capability to allow you to refactor a database table by extracting columns into separate tables. I’ve called it sqlite-utils extract.
Executing advanced ALTER TABLE operations in SQLite
SQLite’s ALTER TABLE has some significant limitations: it can’t drop columns (UPDATE: that was fixed in SQLite 3.35.0 in March 2021), it can’t alter NOT NULL status, it can’t change column types. Since I spend a lot of time with SQLite these days I’ve written some code to fix this—both from Python and as a command-line utility.
[... 689 words]Weeknotes: datasette-dump, sqlite-backup, talks
I spent some time this week digging into Python’s sqlite3 internals. I also gave two talks and recorded a third, due to air at PyGotham in October.
[... 928 words]Weeknotes: Installing Datasette with Homebrew, more GraphQL, WAL in SQLite
This week I’ve been working on making Datasette easier to install, plus wide-ranging improvements to the Datasette GraphQL plugin.
[... 1009 words]GraphQL in Datasette with the new datasette-graphql plugin
This week I’ve mostly been building datasette-graphql, a plugin that adds GraphQL query support to Datasette.
[... 1249 words]Fun with binary data and SQLite
This week I’ve been mainly experimenting with binary data storage in SQLite. sqlite-utils can now insert data from binary files, and datasette-media can serve content over HTTP that originated as binary BLOBs in a database file.
[... 949 words]Weeknotes: cookiecutter templates, better plugin documentation, sqlite-generate
I spent this week spreading myself between a bunch of smaller projects, and finally getting familiar with cookiecutter. I wrote about my datasette-plugin cookiecutter template earlier in the week; here’s what else I’ve been working on.
[... 703 words]Using SQL to find my best photo of a pelican according to Apple Photos
According to the Apple Photos internal SQLite database, this is the most aesthetically pleasing photograph I have ever taken of a pelican:
[... 1937 words]Weeknotes: Datasette 0.41, photos breakthroughs
Shorter weeknotes this week, because my main project for the week warrants a detailed write-up on its own (coming soon... update 21st May here it is).
[... 867 words]Weeknotes: Datasette 0.39 and many other projects
This week’s theme: Well, I’m not going anywhere. So a ton of progress to report on various projects.
[... 806 words]Weeknotes: Datasette Writes
As discussed previously, the biggest hole in Datasette’s feature set at the moment involves writing to the database.
[... 604 words]Things I learned about shapefiles building shapefile-to-sqlite
The latest in my series of x-to-sqlite tools is shapefile-to-sqlite. I learned a whole bunch of things about the ESRI shapefile format while building it.
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