Alvaro Herrera wrote:
On Sun, Jun 26, 2005 at 04:44:13PM -0400, Andrew Dunstan wrote:
Is the intention here to make PSM a first class language (i.e. handled
by the main dbengine scanner/parser) of just another PL? If the latter
it seems far less worth doing. Doing this as a first class language,
however, would be great, just great.
I've seen some example code on the EnterpriseDB website using their SPL
language, and it doesn't seem to be handled like "just another PL". The
function body does not look at all like quoted strings, as in our
regular PLs. I don't know how they did it, but I don't think they added
support for the whole language to the main parser.
It could be done by putting the SPL parser in front of the SQL parser.
Maybe Luss will tell us how it was done ;-)
cheers
andrew
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