Over time, this has ended up in a slightly inappropriate place
relative to the comments around it.
#define DATE_IS_NOEND(j) ((j) == DATEVAL_NOEND)
#define DATE_NOT_FINITE(j) (DATE_IS_NOBEGIN(j) || DATE_IS_NOEND(j))
+#define MAX_TIME_PRECISION 6
+
/*
* Macros for fmgr-callable functions.
*
* For TimeADT, we make use of the same support routines as for int64.
* Therefore TimeADT is pass-by-reference if and only if int64 is!
*/
-#define MAX_TIME_PRECISION 6
-
#define DatumGetDateADT(X) ((DateADT) DatumGetInt32(X))
#define DatumGetTimeADT(X) ((TimeADT) DatumGetInt64(X))
#define DatumGetTimeTzADTP(X) ((TimeTzADT *) DatumGetPointer(X))