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Commit 0633a60

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hlinnakahlinnaka
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Add index-only scan support to range type GiST opclass.
Andreas Karlsson
1 parent 1c41e2a commit 0633a60

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7 files changed

+38
-2
lines changed

7 files changed

+38
-2
lines changed

‎src/backend/utils/adt/rangetypes_gist.c

Lines changed: 9 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -216,7 +216,7 @@ range_gist_union(PG_FUNCTION_ARGS)
216216
PG_RETURN_RANGE(result_range);
217217
}
218218

219-
/* compress, decompress are no-ops */
219+
/* compress, decompress, fetch are no-ops */
220220
Datum
221221
range_gist_compress(PG_FUNCTION_ARGS)
222222
{
@@ -233,6 +233,14 @@ range_gist_decompress(PG_FUNCTION_ARGS)
233233
PG_RETURN_POINTER(entry);
234234
}
235235

236+
Datum
237+
range_gist_fetch(PG_FUNCTION_ARGS)
238+
{
239+
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
240+
241+
PG_RETURN_POINTER(entry);
242+
}
243+
236244
/*
237245
* GiST page split penalty function.
238246
*

‎src/include/catalog/catversion.h

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -53,6 +53,6 @@
5353
*/
5454

5555
/* yyyymmddN */
56-
#define CATALOG_VERSION_NO 201503281
56+
#define CATALOG_VERSION_NO 201503301
5757

5858
#endif

‎src/include/catalog/pg_amproc.h

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -235,6 +235,7 @@ DATA(insert ( 3919 3831 3831 4 3878 ));
235235
DATA(insert ( 3919 3831 3831 5 3879 ));
236236
DATA(insert ( 3919 3831 3831 6 3880 ));
237237
DATA(insert ( 3919 3831 3831 7 3881 ));
238+
DATA(insert ( 3919 3831 3831 9 3996 ));
238239

239240

240241
/* gin */

‎src/include/catalog/pg_proc.h

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -4951,6 +4951,8 @@ DATA(insert OID = 3877 ( range_gist_compress PGNSP PGUID 12 1 0 0 0 f f f f t f
49514951
DESCR("GiST support");
49524952
DATA(insert OID = 3878 ( range_gist_decompress PGNSP PGUID 12 1 0 0 0 f f f f t f i 1 0 2281 "2281" _null_ _null_ _null_ _null_ range_gist_decompress _null_ _null_ _null_ ));
49534953
DESCR("GiST support");
4954+
DATA(insert OID = 3996 ( range_gist_fetch PGNSP PGUID 12 1 0 0 0 f f f f t f i 1 0 2281 "2281" _null_ _null_ _null_ _null_ range_gist_fetch _null_ _null_ _null_ ));
4955+
DESCR("GiST support");
49544956
DATA(insert OID = 3879 ( range_gist_penalty PGNSP PGUID 12 1 0 0 0 f f f f t f i 3 0 2281 "2281 2281 2281" _null_ _null_ _null_ _null_ range_gist_penalty _null_ _null_ _null_ ));
49554957
DESCR("GiST support");
49564958
DATA(insert OID = 3880 ( range_gist_picksplit PGNSP PGUID 12 1 0 0 0 f f f f t f i 2 0 2281 "2281 2281" _null_ _null_ _null_ _null_ range_gist_picksplit _null_ _null_ _null_ ));

‎src/include/utils/rangetypes.h

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -209,6 +209,7 @@ extern RangeType *make_empty_range(TypeCacheEntry *typcache);
209209
extern Datum range_gist_consistent(PG_FUNCTION_ARGS);
210210
extern Datum range_gist_compress(PG_FUNCTION_ARGS);
211211
extern Datum range_gist_decompress(PG_FUNCTION_ARGS);
212+
extern Datum range_gist_fetch(PG_FUNCTION_ARGS);
212213
extern Datum range_gist_union(PG_FUNCTION_ARGS);
213214
extern Datum range_gist_penalty(PG_FUNCTION_ARGS);
214215
extern Datum range_gist_picksplit(PG_FUNCTION_ARGS);

‎src/test/regress/expected/rangetypes.out

Lines changed: 19 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1072,6 +1072,25 @@ select count(*) from test_range_spgist where ir -|- int4range(100,500);
10721072
5
10731073
(1 row)
10741074

1075+
-- test index-only scans
1076+
explain (costs off)
1077+
select ir from test_range_spgist where ir -|- int4range(10,20) order by ir;
1078+
QUERY PLAN
1079+
------------------------------------------------------------------------
1080+
Sort
1081+
Sort Key: ir
1082+
-> Index Only Scan using test_range_spgist_idx on test_range_spgist
1083+
Index Cond: (ir -|- '[10,20)'::int4range)
1084+
(4 rows)
1085+
1086+
select ir from test_range_spgist where ir -|- int4range(10,20) order by ir;
1087+
ir
1088+
------------
1089+
[20,30)
1090+
[20,30)
1091+
[20,10020)
1092+
(3 rows)
1093+
10751094
RESET enable_seqscan;
10761095
RESET enable_indexscan;
10771096
RESET enable_bitmapscan;

‎src/test/regress/sql/rangetypes.sql

Lines changed: 5 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -286,6 +286,11 @@ select count(*) from test_range_spgist where ir &< int4range(100,500);
286286
select count(*) from test_range_spgist where ir &> int4range(100,500);
287287
select count(*) from test_range_spgist where ir -|- int4range(100,500);
288288

289+
-- test index-only scans
290+
explain (costs off)
291+
select ir from test_range_spgist where ir -|- int4range(10,20) order by ir;
292+
select ir from test_range_spgist where ir -|- int4range(10,20) order by ir;
293+
289294
RESET enable_seqscan;
290295
RESET enable_indexscan;
291296
RESET enable_bitmapscan;

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