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SQL ordered trees, an addendum
I am currently working on an application which needs to store ordered trees in a PostgreSQL database. The elements in a single tree may be re-ordered by the user. For the trees themselves, I'm using...
View ArticleTriggering inconsistent behaviour with … triggers
Yesterday I ran into something rather weird with PostgreSQL (9.1rc). A bit of context first: the database in which the problem occurred contains tables which represent an ordered tree, something quite...
View ArticlePostgreSQL ordered trees, final post
Well, at least I hope it will be the last ;-p I have recently posted a little about my attempts at making ordered tree structures work in PostgreSQL. While the initial approach works quite well with a...
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