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Commitf48c31f

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Merge branch 'CORE-241-rum' of gitlab.postgrespro.ru:pgpro-dev/postgrespro into CORE-241-rum
2 parents0a80645 +00ceebc commitf48c31f

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12 files changed

+402
-35
lines changed

12 files changed

+402
-35
lines changed

‎expected/rum.out‎

Lines changed: 111 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,8 @@ BEFORE UPDATE OR INSERT ON test_rum
55
FOR EACH ROW EXECUTE PROCEDURE tsvector_update_trigger('a', 'pg_catalog.english', 't');
66
CREATE INDEX rumidx ON test_rum USING rum (a rum_tsvector_ops);
77
\copy test_rum(t) from 'data/rum.data';
8+
CREATE INDEX failed_rumidx ON test_rum USING rum (a rum_tsvector_timestamp_ops);
9+
ERROR: additional information attribute "a" is not found in index
810
SET enable_seqscan=off;
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explain (costs off)
1012
SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', 'ever|wrote');
@@ -76,6 +78,30 @@ SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', '(comp
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2
7779
(1 row)
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81+
SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', '(gave | half) <-> way');
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count
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-------
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2
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(1 row)
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SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', '(gave | !half) <-> way');
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count
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-------
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3
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(1 row)
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SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', '!gave & way');
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count
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-------
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3
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(1 row)
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SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', '!gave & wooded & !look');
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count
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-------
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1
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(1 row)
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79105
SELECT count(*) FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english',
80106
'def <-> fgr');
81107
count
@@ -124,6 +150,29 @@ SELECT
124150
57.5727 | 57.5727 | thinking--“to go or not to go?” We are this far on the way. Reached | 'far':11 'go':3,7 'reach':15 'think':1 'way':14
125151
(2 rows)
126152

153+
-- Check ranking normalization
154+
SELECT rum_ts_distance(a, to_tsquery('pg_catalog.english', 'way'), 0), *
155+
FROM test_rum
156+
WHERE a @@ to_tsquery('pg_catalog.english', 'way')
157+
ORDER BY a <=> to_tsquery('pg_catalog.english', 'way');
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rum_ts_distance | t | a
159+
-----------------+--------------------------------------------------------------------------+---------------------------------------------------------------
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16.4493 | my appreciation of you in a more complimentary way than by sending this | 'appreci':2 'complimentari':8 'send':12 'way':9
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16.4493 | itself. Put on your “specs” and look at the castle, half way up the | 'castl':10 'half':11 'look':7 'put':2 'spec':5 'way':12
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16.4493 | so well that only a fragment, as it were, gave way. It still hangs as if | 'fragment':6 'gave':10 'hang':14 'still':13 'way':11 'well':2
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16.4493 | thinking--“to go or not to go?” We are this far on the way. Reached | 'far':11 'go':3,7 'reach':15 'think':1 'way':14
164+
(4 rows)
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SELECT rum_ts_distance(a, row(to_tsquery('pg_catalog.english', 'way & (go | half)'), 0)::rum_distance_query), *
167+
FROM test_rum
168+
WHERE a @@ to_tsquery('pg_catalog.english', 'way & (go | half)')
169+
ORDER BY a <=> to_tsquery('pg_catalog.english', 'way & (go | half)');
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rum_ts_distance | t | a
171+
-----------------+---------------------------------------------------------------------+---------------------------------------------------------
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8.22467 | itself. Put on your “specs” and look at the castle, half way up the | 'castl':10 'half':11 'look':7 'put':2 'spec':5 'way':12
173+
57.5727 | thinking--“to go or not to go?” We are this far on the way. Reached | 'far':11 'go':3,7 'reach':15 'think':1 'way':14
174+
(2 rows)
175+
127176
INSERT INTO test_rum (t) VALUES ('foo bar foo the over foo qq bar');
128177
INSERT INTO test_rum (t) VALUES ('345 qwerty copyright');
129178
INSERT INTO test_rum (t) VALUES ('345 qwerty');
@@ -158,6 +207,68 @@ SELECT a FROM test_rum WHERE a @@ to_tsquery('pg_catalog.english', 'bar') ORDER
158207
'bar':2,8 'foo':1,3,6 'qq':7
159208
(1 row)
160209

210+
-- Check full-index scan with order by
211+
SELECT a <=> to_tsquery('pg_catalog.english', 'ever|wrote') FROM test_rum ORDER BY a <=> to_tsquery('pg_catalog.english', 'ever|wrote');
212+
?column?
213+
----------
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16.4493
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16.4493
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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Infinity
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(56 rows)
271+
161272
CREATE TABLE tst (i int4, t tsvector);
162273
INSERT INTO tst SELECT i%10, to_tsvector('simple', substr(md5(i::text), 1, 1)) FROM generate_series(1,100000) i;
163274
CREATE INDEX tstidx ON tst USING rum (t rum_tsvector_ops);

‎rum--1.0.sql‎

Lines changed: 29 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -6,10 +6,31 @@ LANGUAGE C;
66
-- Access method
77
CREATE ACCESS METHOD rum TYPE INDEX HANDLER rumhandler;
88

9-
-- Opclasses
9+
-- tsvector opclasses
10+
11+
CREATETYPErum_distance_queryAS (query tsquery, methodint);
12+
13+
CREATEFUNCTIONtsquery_to_distance_query(tsquery)
14+
RETURNS rum_distance_query
15+
AS'MODULE_PATHNAME','tsquery_to_distance_query'
16+
LANGUAGE C IMMUTABLE STRICT;
17+
18+
CREATE CAST (tsqueryAS rum_distance_query)
19+
WITH FUNCTION tsquery_to_distance_query(tsquery)AS IMPLICIT;
20+
1021
CREATEFUNCTIONrum_ts_distance(tsvector,tsquery)
1122
RETURNS float4
12-
AS'MODULE_PATHNAME'
23+
AS'MODULE_PATHNAME','rum_ts_distance_tt'
24+
LANGUAGE C IMMUTABLE STRICT;
25+
26+
CREATEFUNCTIONrum_ts_distance(tsvector,tsquery,int)
27+
RETURNS float4
28+
AS'MODULE_PATHNAME','rum_ts_distance_ttf'
29+
LANGUAGE C IMMUTABLE STRICT;
30+
31+
CREATEFUNCTIONrum_ts_distance(tsvector,rum_distance_query)
32+
RETURNS float4
33+
AS'MODULE_PATHNAME','rum_ts_distance_td'
1334
LANGUAGE C IMMUTABLE STRICT;
1435

1536
CREATE OPERATOR<=> (
@@ -18,6 +39,12 @@ CREATE OPERATOR <=> (
1839
PROCEDURE= rum_ts_distance
1940
);
2041

42+
CREATE OPERATOR<=> (
43+
LEFTARG= tsvector,
44+
RIGHTARG= rum_distance_query,
45+
PROCEDURE= rum_ts_distance
46+
);
47+
2148
CREATEFUNCTIONrum_extract_tsvector(tsvector,internal,internal,internal,internal)
2249
RETURNS internal
2350
AS'MODULE_PATHNAME'

‎rum.h‎

Lines changed: 18 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -663,6 +663,13 @@ typedef struct
663663
boolrecheck;
664664
}RumOrderingItem;
665665

666+
typedefenum
667+
{
668+
RumFastScan,
669+
RumRegularScan,
670+
RumFullScan
671+
}RumScanType;
672+
666673
typedefstructRumScanOpaqueData
667674
{
668675
MemoryContexttempCtx;
@@ -684,7 +691,7 @@ typedef struct RumScanOpaqueData
684691
RumKeykey;
685692
boolfirstCall;
686693
boolisVoidRes;/* true if query is unsatisfiable */
687-
booluseFastScan;
694+
RumScanTypescanType;
688695
TIDBitmap*tbm;
689696

690697
ScanDirectionnaturalOrder;
@@ -760,7 +767,12 @@ extern Datum rum_extract_tsquery(PG_FUNCTION_ARGS);
760767
externDatumrum_tsvector_config(PG_FUNCTION_ARGS);
761768
externDatumrum_tsquery_pre_consistent(PG_FUNCTION_ARGS);
762769
externDatumrum_tsquery_distance(PG_FUNCTION_ARGS);
763-
externDatumrum_ts_distance(PG_FUNCTION_ARGS);
770+
externDatumrum_ts_distance_tt(PG_FUNCTION_ARGS);
771+
externDatumrum_ts_distance_ttf(PG_FUNCTION_ARGS);
772+
externDatumrum_ts_distance_td(PG_FUNCTION_ARGS);
773+
774+
externDatumtsquery_to_distance_query(PG_FUNCTION_ARGS);
775+
764776

765777
/* GUC parameters */
766778
externPGDLLIMPORTintRumFuzzySearchLimit;
@@ -870,6 +882,8 @@ rumDataPageLeafRead(Pointer ptr, OffsetNumber attnum, RumKey * item,
870882
{
871883
attr=rumstate->addAttrs[attnum-1];
872884

885+
Assert(attr);
886+
873887
if (attr->attbyval)
874888
{
875889
/* do not use aligment for pass-by-value types */
@@ -949,6 +963,8 @@ rumDataPageLeafReadPointer(Pointer ptr, OffsetNumber attnum, RumKey * item,
949963
{
950964
attr=rumstate->addAttrs[attnum-1];
951965

966+
Assert(attr);
967+
952968
if (!attr->attbyval)
953969
ptr= (Pointer)att_align_pointer(ptr,attr->attalign,attr->attlen,
954970
ptr);

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