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 »