in the parameter array. Noted while experimenting with an example
from Pavel. This wouldn't come up in normal use, but it ought to honor
the specification that a parameter array can have unused slots.
recent proposal. As proof of concept, remove knowledge of Params from the
core parser, arranging for them to be handled entirely by parser hook
functions. It turns out we need an additional hook for that --- I had
forgotten about the code that handles inferring a parameter's type from
context.
This is a preliminary step towards letting plpgsql handle its variables
through parser hooks. Additional work remains to be done to expose the
facility through SPI, but I think this is all the changes needed in the core
parser.
Tom Lane
Bruce Momjian