I'm writing a function in C, and am trying to return a row, containing Numeric and array types. I'm building the row with heap_formtuple. I'm having trouble creating the numeric and array Datums. If anyone has some example code illustrating this, that'd be great.
See PL/R for examples: http://www.joeconway.com/plr/
Specifically:
plr.c:do_compile() gathering required information for input conversion of return values
pg_conversion.c:get_scalar_datum() conversion from (char *value) to Datum using the gathered info for scalar return datums
pg_conversion.c:get_generic_array_datum() conversion from multiple (char *values) to Datum using the gathered info for array return datums
HTH,
Joe
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