On Tue, May 6, 2014 at 10:49 PM, Michael Paquier
<michael.paqu...@gmail.com> wrote:
> Makes sense, especially knowing operators needed for btree processing
> are already defined. Patch attached solves that.
Please find attached an updated patch, I completely forgot that the
compare function needs to return {-1, 0, 1}.
--
Michael
diff --git a/src/backend/utils/adt/pg_lsn.c b/src/backend/utils/adt/pg_lsn.c
index e2b528a..baf789a 100644
--- a/src/backend/utils/adt/pg_lsn.c
+++ b/src/backend/utils/adt/pg_lsn.c
@@ -150,6 +150,28 @@ pg_lsn_ge(PG_FUNCTION_ARGS)
PG_RETURN_BOOL(lsn1 >= lsn2);
}
+/* handler for btree index operator */
+Datum
+pg_lsn_cmp(PG_FUNCTION_ARGS)
+{
+ XLogRecPtr lsn1 = PG_GETARG_LSN(0);
+ XLogRecPtr lsn2 = PG_GETARG_LSN(1);
+
+ if (lsn1 < lsn2)
+ PG_RETURN_INT32(-1);
+ if (lsn1 > lsn2)
+ PG_RETURN_INT32(1);
+ PG_RETURN_INT32(0);
+}
+
+/* hash index support */
+Datum
+pg_lsn_hash(PG_FUNCTION_ARGS)
+{
+ XLogRecPtr lsn = PG_GETARG_LSN(0);
+
+ return hashint8(lsn);
+}
/*----------------------------------------------------------
* Arithmetic operators on PostgreSQL LSNs.
diff --git a/src/include/catalog/pg_amop.h b/src/include/catalog/pg_amop.h
index 8efd3be..5cd170d 100644
--- a/src/include/catalog/pg_amop.h
+++ b/src/include/catalog/pg_amop.h
@@ -513,6 +513,16 @@ DATA(insert ( 2968 2950 2950 4 s 2977 403 0
));
DATA(insert ( 2968 2950 2950 5 s 2975 403 0 ));
/*
+ * btree pglsn_ops
+ */
+
+DATA(insert ( 3260 3220 3220 1 s 3224 403 0 ));
+DATA(insert ( 3260 3220 3220 2 s 3226 403 0 ));
+DATA(insert ( 3260 3220 3220 3 s 3222 403 0 ));
+DATA(insert ( 3260 3220 3220 4 s 3227 403 0 ));
+DATA(insert ( 3260 3220 3220 5 s 3225 403 0 ));
+
+/*
* hash index _ops
*/
@@ -581,6 +591,8 @@ DATA(insert ( 2231 1042 1042 1 s 1054 405 0 ));
DATA(insert ( 2235 1033 1033 1 s 974 405 0 ));
/* uuid_ops */
DATA(insert ( 2969 2950 2950 1 s 2972 405 0 ));
+/* pglsn_ops */
+DATA(insert ( 3261 3220 3220 1 s 3222 405 0 ));
/* numeric_ops */
DATA(insert ( 1998 1700 1700 1 s 1752 405 0 ));
/* array_ops */
diff --git a/src/include/catalog/pg_amproc.h b/src/include/catalog/pg_amproc.h
index 198b126..369adb9 100644
--- a/src/include/catalog/pg_amproc.h
+++ b/src/include/catalog/pg_amproc.h
@@ -134,6 +134,7 @@ DATA(insert ( 2789 27 27 1 2794 ));
DATA(insert ( 2968 2950 2950 1 2960 ));
DATA(insert ( 2994 2249 2249 1 2987 ));
DATA(insert ( 3194 2249 2249 1 3187 ));
+DATA(insert ( 3260 3220 3220 1 3263 ));
DATA(insert ( 3522 3500 3500 1 3514 ));
DATA(insert ( 3626 3614 3614 1 3622 ));
DATA(insert ( 3683 3615 3615 1 3668 ));
@@ -174,6 +175,7 @@ DATA(insert ( 2229 25 25 1 400 ));
DATA(insert ( 2231 1042 1042 1 1080 ));
DATA(insert ( 2235 1033 1033 1 329 ));
DATA(insert ( 2969 2950 2950 1 2963 ));
+DATA(insert ( 3261 3220 3220 1 3262 ));
DATA(insert ( 3523 3500 3500 1 3515 ));
DATA(insert ( 3903 3831 3831 1 3902 ));
DATA(insert ( 4034 3802 3802 1 4045 ));
diff --git a/src/include/catalog/pg_opclass.h b/src/include/catalog/pg_opclass.h
index 49b2410..cbcdacd 100644
--- a/src/include/catalog/pg_opclass.h
+++ b/src/include/catalog/pg_opclass.h
@@ -215,6 +215,8 @@ DATA(insert ( 2742 _reltime_ops PGNSP
PGUID 2745 1024 t 703 ));
DATA(insert ( 2742 _tinterval_ops PGNSP PGUID 2745 1025 t 704 ));
DATA(insert ( 403 uuid_ops PGNSP PGUID
2968 2950 t 0 ));
DATA(insert ( 405 uuid_ops PGNSP PGUID
2969 2950 t 0 ));
+DATA(insert ( 403 pglsn_ops PGNSP PGUID
3260 3220 t 0 ));
+DATA(insert ( 405 pglsn_ops PGNSP PGUID
3261 3220 t 0 ));
DATA(insert ( 403 enum_ops PGNSP PGUID
3522 3500 t 0 ));
DATA(insert ( 405 enum_ops PGNSP PGUID
3523 3500 t 0 ));
DATA(insert ( 403 tsvector_ops PGNSP PGUID 3626 3614
t 0 ));
diff --git a/src/include/catalog/pg_operator.h
b/src/include/catalog/pg_operator.h
index f280af4..87ee4eb 100644
--- a/src/include/catalog/pg_operator.h
+++ b/src/include/catalog/pg_operator.h
@@ -1595,7 +1595,7 @@ DATA(insert OID = 2977 ( ">=" PGNSP PGUID b f f
2950 2950 16 2976 2974 uuid_
DESCR("greater than or equal");
/* pg_lsn operators */
-DATA(insert OID = 3222 ( "=" PGNSP PGUID b f f 3220 3220 16 3222 3223
pg_lsn_eq eqsel eqjoinsel ));
+DATA(insert OID = 3222 ( "=" PGNSP PGUID b t t 3220 3220 16 3222 3223
pg_lsn_eq eqsel eqjoinsel ));
DESCR("equal");
DATA(insert OID = 3223 ( "<>" PGNSP PGUID b f f 3220 3220 16 3223 3222
pg_lsn_ne neqsel neqjoinsel ));
DESCR("not equal");
diff --git a/src/include/catalog/pg_opfamily.h
b/src/include/catalog/pg_opfamily.h
index 9e8f4ac..29089d5 100644
--- a/src/include/catalog/pg_opfamily.h
+++ b/src/include/catalog/pg_opfamily.h
@@ -134,6 +134,8 @@ DATA(insert OID = 1029 ( 783 point_ops
PGNSP PGUID ));
DATA(insert OID = 2745 ( 2742 array_ops PGNSP PGUID ));
DATA(insert OID = 2968 ( 403 uuid_ops PGNSP
PGUID ));
DATA(insert OID = 2969 ( 405 uuid_ops PGNSP
PGUID ));
+DATA(insert OID = 3260 ( 403 pglsn_ops PGNSP
PGUID ));
+DATA(insert OID = 3261 ( 405 pglsn_ops PGNSP
PGUID ));
DATA(insert OID = 3522 ( 403 enum_ops PGNSP
PGUID ));
DATA(insert OID = 3523 ( 405 enum_ops PGNSP
PGUID ));
DATA(insert OID = 3626 ( 403 tsvector_ops PGNSP PGUID ));
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index 98c183b..f82463b 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -4293,6 +4293,10 @@ DATA(insert OID = 3238 ( pg_lsn_recv PGNSP PGUID 12
1 0 0 0 f f f f t f i 1 0 3
DESCR("I/O");
DATA(insert OID = 3239 ( pg_lsn_send PGNSP PGUID 12 1 0 0 0 f f f f t f i 1
0 17 "3220" _null_ _null_ _null_ _null_ pg_lsn_send _null_ _null_ _null_ ));
DESCR("I/O");
+DATA(insert OID = 3262 ( pg_lsn_hash PGNSP PGUID 12 1 0 0 0 f f f f t f i 1
0 23 "3220" _null_ _null_ _null_ _null_ pg_lsn_hash _null_ _null_ _null_ ));
+DESCR("hash");
+DATA(insert OID = 3263 ( pg_lsn_cmp PGNSP PGUID 12 1 0 0 0 f f f f t f i 2
0 23 "3220 3220" _null_ _null_ _null_ _null_ pg_lsn_cmp _null_ _null_ _null_ ));
+DESCR("less-equal-greater");
/* enum related procs */
DATA(insert OID = 3504 ( anyenum_in PGNSP PGUID 12 1 0 0 0 f f f f t f i 1
0 3500 "2275" _null_ _null_ _null_ _null_ anyenum_in _null_ _null_ _null_ ));
diff --git a/src/include/utils/pg_lsn.h b/src/include/utils/pg_lsn.h
index 981fcd6..7dd932d 100644
--- a/src/include/utils/pg_lsn.h
+++ b/src/include/utils/pg_lsn.h
@@ -29,6 +29,8 @@ extern Datum pg_lsn_lt(PG_FUNCTION_ARGS);
extern Datum pg_lsn_gt(PG_FUNCTION_ARGS);
extern Datum pg_lsn_le(PG_FUNCTION_ARGS);
extern Datum pg_lsn_ge(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_cmp(PG_FUNCTION_ARGS);
+extern Datum pg_lsn_hash(PG_FUNCTION_ARGS);
extern Datum pg_lsn_mi(PG_FUNCTION_ARGS);
--
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