Support enum data types. Along the way, use macros for the values of

pg_type.typtype whereever practical.  Tom Dunstan, with some kibitzing
from Tom Lane.

3 files changed, 44 insertions, 20 deletions

diff --git a/src/include/utils/builtins.h b/src/include/utils/builtins.h
index b2a55bbbb98..d93599a9ae5 100644
--- a/src/include/utils/builtins.h
+++ b/src/include/utils/builtins.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.290 2007/03/20 05:45:00 neilc Exp $
+ * $PostgreSQL: pgsql/src/include/utils/builtins.h,v 1.291 2007/04/02 03:49:41 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -103,6 +103,25 @@ extern Datum char_text(PG_FUNCTION_ARGS);
 extern Datum domain_in(PG_FUNCTION_ARGS);
 extern Datum domain_recv(PG_FUNCTION_ARGS);
 
+/* enum.c */
+extern Datum enum_in(PG_FUNCTION_ARGS);
+extern Datum enum_out(PG_FUNCTION_ARGS);
+extern Datum enum_lt(PG_FUNCTION_ARGS);
+extern Datum enum_le(PG_FUNCTION_ARGS);
+extern Datum enum_eq(PG_FUNCTION_ARGS);
+extern Datum enum_ne(PG_FUNCTION_ARGS);
+extern Datum enum_ge(PG_FUNCTION_ARGS);
+extern Datum enum_gt(PG_FUNCTION_ARGS);
+extern Datum enum_cmp(PG_FUNCTION_ARGS);
+extern Datum enum_text(PG_FUNCTION_ARGS);
+extern Datum text_enum(PG_FUNCTION_ARGS);
+extern Datum enum_smaller(PG_FUNCTION_ARGS);
+extern Datum enum_larger(PG_FUNCTION_ARGS);
+extern Datum enum_first(PG_FUNCTION_ARGS);
+extern Datum enum_last(PG_FUNCTION_ARGS);
+extern Datum enum_range_bounds(PG_FUNCTION_ARGS);
+extern Datum enum_range_all(PG_FUNCTION_ARGS);
+
 /* int.c */
 extern Datum int2in(PG_FUNCTION_ARGS);
 extern Datum int2out(PG_FUNCTION_ARGS);
@@ -450,6 +469,8 @@ extern Datum anyarray_in(PG_FUNCTION_ARGS);
 extern Datum anyarray_out(PG_FUNCTION_ARGS);
 extern Datum anyarray_recv(PG_FUNCTION_ARGS);
 extern Datum anyarray_send(PG_FUNCTION_ARGS);
+extern Datum anyenum_in(PG_FUNCTION_ARGS);
+extern Datum anyenum_out(PG_FUNCTION_ARGS);
 extern Datum void_in(PG_FUNCTION_ARGS);
 extern Datum void_out(PG_FUNCTION_ARGS);
 extern Datum trigger_in(PG_FUNCTION_ARGS);
diff --git a/src/include/utils/lsyscache.h b/src/include/utils/lsyscache.h
index 78c45891fa4..25782e322e9 100644
--- a/src/include/utils/lsyscache.h
+++ b/src/include/utils/lsyscache.h
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.117 2007/02/14 01:58:58 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/utils/lsyscache.h,v 1.118 2007/04/02 03:49:41 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -105,6 +105,7 @@ extern char get_typstorage(Oid typid);
 extern Node *get_typdefault(Oid typid);
 extern char get_typtype(Oid typid);
 extern bool type_is_rowtype(Oid typid);
+extern bool type_is_enum(Oid typid);
 extern Oid	get_typ_typrelid(Oid typid);
 extern Oid	get_element_type(Oid typid);
 extern Oid	get_array_type(Oid typid);
diff --git a/src/include/utils/syscache.h b/src/include/utils/syscache.h
index c6967251ce1..12cd9a72f22 100644
--- a/src/include/utils/syscache.h
+++ b/src/include/utils/syscache.h
@@ -9,7 +9,7 @@
  * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/utils/syscache.h,v 1.68 2007/02/14 01:58:58 tgl Exp $
+ * $PostgreSQL: pgsql/src/include/utils/syscache.h,v 1.69 2007/04/02 03:49:41 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -48,23 +48,25 @@
 #define CONSTROID			17
 #define CONVOID				18
 #define DATABASEOID			19
-#define INDEXRELID			20
-#define LANGNAME			21
-#define LANGOID				22
-#define NAMESPACENAME		23
-#define NAMESPACEOID		24
-#define OPERNAMENSP			25
-#define OPEROID				26
-#define OPFAMILYAMNAMENSP	27
-#define OPFAMILYOID			28
-#define PROCNAMEARGSNSP		29
-#define PROCOID				30
-#define RELNAMENSP			31
-#define RELOID				32
-#define RULERELNAME			33
-#define STATRELATT			34
-#define TYPENAMENSP			35
-#define TYPEOID				36
+#define ENUMOID				20
+#define ENUMTYPOIDNAME		21
+#define INDEXRELID			22
+#define LANGNAME			23
+#define LANGOID				24
+#define NAMESPACENAME		25
+#define NAMESPACEOID		26
+#define OPERNAMENSP			27
+#define OPEROID				28
+#define OPFAMILYAMNAMENSP	29
+#define OPFAMILYOID			30
+#define PROCNAMEARGSNSP		31
+#define PROCOID				32
+#define RELNAMENSP			33
+#define RELOID				34
+#define RULERELNAME			35
+#define STATRELATT			36
+#define TYPENAMENSP			37
+#define TYPEOID				38
 
 extern void InitCatalogCache(void);
 extern void InitCatalogCachePhase2(void);