1 files changed, 24 insertions, 19 deletions
diff --git a/util.c b/util.c
index 48cd4ff..1fa4798 100644
--- a/util.c
+++ b/util.c
@@ -15,30 +15,35 @@
 #include "mb/pg_wchar.h"
 #include "utils/syscache.h"
 
+/*
+ * getTypeInfo
+ *	  Retrieve information about a type, along with either its
+ *	  input, output, binary receive, or binary send procedure.
+ *
+ *	  which_func should be one of:
+ *		  IOFunc_input
+ *		  IOFunc_output
+ *		  IOFunc_receive
+ *		  IOFunc_send
+ *
+ *	  mcxt is the memory context the IO function selected will use to store
+ *	  subsidiary data.	The memory context should live at least as long as
+ *	  the TypeInfo structure you specify.
+ */
 void
-initTypeInfo(TypeInfo *d, MemoryContext mcxt)
+getTypeInfo(TypeInfo *d, Oid type, IOFuncSelector which_func, MemoryContext mcxt)
 {
+	d->type = type;
+	d->which_func = which_func;
 	d->mcxt = mcxt;
-	d->not_set = true;
-}
 
-void
-getTypeInfo(TypeInfo *d, Oid type, IOFuncSelector which_func)
-{
-	if (d->not_set || d->type != type || d->which_func != which_func)
-	{
-		get_type_io_data(type, which_func,
-						 &d->typlen, &d->typbyval, &d->typalign,
-						 &d->typdelim, &d->typioparam, &d->typiofunc);
-		fmgr_info_cxt(d->typiofunc, &d->proc, d->mcxt);
+	get_type_io_data(type, which_func,
+					 &d->typlen, &d->typbyval, &d->typalign,
+					 &d->typdelim, &d->typioparam, &d->typiofunc);
+	fmgr_info_cxt(d->typiofunc, &d->proc, d->mcxt);
 
-		get_type_category_preferred(type,
-									&d->typcategory, &d->typispreferred);
-
-		d->type = type;
-		d->which_func = which_func;
-		d->not_set = false;
-	}
+	get_type_category_preferred(type,
+								&d->typcategory, &d->typispreferred);
 }
 
 Oid