On Mon, 2 Aug 2004, Josh Berkus wrote:
Suresh,
Is persistant objects and references to these objects supported in PostgreSQL? If so can anyone point me to the documentation for these?
These structures are usually known as "Composite Types", although they have a different, less intuitive name in the SQL99 standard which escapes me at the moment. "Persistant Objects" is an Oracle-ism which is why you're having trouble finding help on it.
Currently 7.4 PostgreSQL 7.4 supports the creation of such types and use of them in Functions and queries. However, using them as a table column will not be supported until the next PostgreSQL version, coming soon.
Is this much different (and how?) then using inheritance? CREATE TABLE vs CREATE TYPE ... but looking at the example he provided, that was my first thought ...
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