for the sequencing of message_id's, I normally use a database trigger on INSERT, that queries the table searching for the maximum message_id, add 1, and set as the new message_id

Oooooorrrr... you could just add an auto_incremented message_id field and let the database handle the incrementing mechanism. :)

In reply to Re^2: Message Reply Sequencing by Coruscate
in thread Message Reply Sequencing by perleager

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