Changes between Version 6 and Version 7 of DevWikiPostGISCoding

Timestamp:

Dec 9, 2010, 1:43:55 PM (13 years ago)

Author:

pramsey

Comment:

—

DevWikiPostGISCoding

@@ -24 +24 @@
 
 Most of the PG_GETARG calls are pretty self explanatory. There's the PG_GETARG part, the part that declares the data type you are retrieving, and the argument number you are retrieving. So, PG_GETARG_INT32(0) gets the first argument as an integer.
+{{{
+#!c
+ PG_FUNCTION_INFO_V1(multiply)
+ Datum multiply(PG_FUNCTION_ARGS)
+ {
+   int count = PG_GETARG_INT32(0);
+   double factor = PG_GETARG_DOUBLE(1);
+   PG_RETURN_DOUBLE(factor * count);
+}
+}}}