This post documents how I’m changing the search methods for pkg-message. It uses full-text search, but instead of using a special column, I’m going to use an index. I will elaborate. When searching pkg-message was added to the website, a different approach was taken than in the past. In Converting a column-based expression to a […]
Moving from storing the tsvector values to a tsvector index Read More »
One of the primary uses for FreshPorts is searching various characteristics of the ports. One highly used search feature is pkg-messages (background at pkg-message). A problem which has been vexing me for about 2 months was the lack of results on prod, but results which worked on dev. The issue was raised on GitHub. Initially,
When tsvector was working as expected on most hosts, but not one Read More »
I had noticed a problem with my full text search solution when I was testing. If the input query contained a quote, an error resulted on the query. At the time, I attributed that to a poor input/text handling. Later, I realized I was wrong. On the website, this PHP code is used: Where $this->Query
to_tsquery gives ‘ERROR: syntax error in tsquery’ when it contains a space Read More »
In yesterdays blog post, Replacing a column search with a full text search solution, I wanted to mention how adding a LIMIT 10 to a fast running query made it run slower. I didn’t remember that issue until this morning. Fortunately, the fix was low cost. The query This is the query I ran: The
A PostgreSQL query runs in 1.7s – add a LIMIT 10, runs in 28.2 seconds Read More »
One of the many useful features on FreshPorts is: what port[s] install[s] this file? That’s the pkg-plist search option. pkg-plist is a file which “lists all the files installed by the port”. However not all ports have a pkg-plist file because the list is compiled automatically. That is why the configure_plist table was created to
Replacing a column search with a full text search solution Read More »