[Lazarus] Database access and thread-safety

Mark Morgan Lloyd markMLl.lazarus at telemetry.co.uk
Mon Nov 8 12:41:41 CET 2010

Martin Schreiber wrote:
> On Monday, 8. November 2010 10.19:31 Mark Morgan Lloyd wrote:
>> My normal preference would have been to use ODBC or similar to improve
>> portability. However in the current case I want to use the
>> PostgreSQL-specific LISTEN/NOTIFY facility to save having to poll the
>> database for changes, I haven't yet worked out whether I can get at that
>> easily but I'm pretty sure that using a generic connection layer would
>> complicate things.
> MSEgui has tdbevent component (tab DBf) which works with PostgreSQL.

[Googles] Thanks Martin, that's useful to know. It's also useful to know 
that Postgres isn't the only database that offers NOTIFY-style 
functionality. For the moment I'm trying to stick with "standard" 
components, but I'm not ruling anything out.

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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