index 8c00da6c6d6993c8e62831fc0976e7722098bbd3..9fb695279bb87dbc27ff03ca60c8adb6f7c71bd1 100644 (file)
@@ -1276,6 +1276,56 @@ DirectFunctionCall9Coll(PGFunction func, Oid collation, Datum arg1, Datum arg2,
return result;
}
+/*
+ * These functions work like the DirectFunctionCall functions except that
+ * they use the flinfo parameter to initialise the fcinfo for the call.
+ * It's recommended that the callee only use the fn_extra and fn_mcxt
+ * fields, as other fields will typically describe the calling function
+ * not the callee. Conversely, the calling function should not have
+ * used fn_extra, unless its use is known to be compatible with the callee's.
+ */
+
+Datum
+CallerFInfoFunctionCall1(PGFunction func, FmgrInfo *flinfo, Oid collation, Datum arg1)
+{
+ FunctionCallInfoData fcinfo;
+ Datum result;
+
+ InitFunctionCallInfoData(fcinfo, flinfo, 1, collation, NULL, NULL);
+
+ fcinfo.arg[0] = arg1;
+ fcinfo.argnull[0] = false;
+
+ result = (*func) (&fcinfo);
+
+ /* Check for null result, since caller is clearly not expecting one */
+ if (fcinfo.isnull)
+ elog(ERROR, "function %p returned NULL", (void *) func);
+
+ return result;
+}
+
+Datum
+CallerFInfoFunctionCall2(PGFunction func, FmgrInfo *flinfo, Oid collation, Datum arg1, Datum arg2)
+{
+ FunctionCallInfoData fcinfo;
+ Datum result;
+
+ InitFunctionCallInfoData(fcinfo, flinfo, 2, collation, NULL, NULL);
+
+ fcinfo.arg[0] = arg1;
+ fcinfo.arg[1] = arg2;
+ fcinfo.argnull[0] = false;
+ fcinfo.argnull[1] = false;
+
+ result = (*func) (&fcinfo);
+
+ /* Check for null result, since caller is clearly not expecting one */
+ if (fcinfo.isnull)
+ elog(ERROR, "function %p returned NULL", (void *) func);
+
+ return result;
+}
/*
* These are for invocation of a previously-looked-up function with a
index 4d400d292487d58bb020e814238c6ab225fe7252..0a155acee6290a1bcfc936b70e01beba35637be2 100644 (file)
@@ -483,6 +483,19 @@ extern Datum DirectFunctionCall9Coll(PGFunction func, Oid collation,
Datum arg6, Datum arg7, Datum arg8,
Datum arg9);
+/*
+ * These functions work like the DirectFunctionCall functions except that
+ * they use the flinfo parameter to initialise the fcinfo for the call.
+ * It's recommended that the callee only use the fn_extra and fn_mcxt
+ * fields, as other fields will typically describe the calling function
+ * not the callee. Conversely, the calling function should not have
+ * used fn_extra, unless its use is known to be compatible with the callee's.
+ */
+extern Datum CallerFInfoFunctionCall1(PGFunction func, FmgrInfo *flinfo,
+ Oid collation, Datum arg1);
+extern Datum CallerFInfoFunctionCall2(PGFunction func, FmgrInfo *flinfo,
+ Oid collation, Datum arg1, Datum arg2);
+
/* These are for invocation of a previously-looked-up function with a
* directly-computed parameter list. Note that neither arguments nor result
* are allowed to be NULL.