Vernon,
> Thanks Josh, I will take a look at this book.
>
> The only problem with the implemention I can see so far is
> performance: change format when read/write data. Other
> than that, I don't see a big problem. I, however, shall say the
> performance is important in my project.
I'd think Java would be able to do array --> table and table --> array
very quickly. Certainly, PHP and Perl do.
Also, you can use a custom aggregate to give yourself a comma-delimited
list from a subtable (see the article on custom aggregates at
techdocs.postgresql.org) However, custom aggregates are slow and
Java's array-handling is probably faster.
-Josh Berkus
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