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Partial indexes work again, courtesy of Martijn van Oosterhout.

Browse Source 
Note: I didn't force an initdb, figuring that one today was enough.
However, there is a new function in pg_proc.h, and pg_dump won't be
able to dump partial indexes until you add that function.
This commit is contained in:
Tom Lane
2001-07-16 05:07:00 +00:00
parent 237e5dfa58
commit f31dc0ada7
32 changed files with 474 additions and 491 deletions
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15
src/test/regress/expected/create_index.out
View File

@ -32,16 +32,13 @@ CREATE INDEX bt_txt_index ON bt_txt_heap USING btree (seqno text_ops);
CREATE INDEX bt_f8_index ON bt_f8_heap USING btree (seqno float8_ops);
--
-- BTREE partial indices
-- partial indices are not supported in PostgreSQL
--
--CREATE INDEX onek2_u1_prtl ON onek2 USING btree(unique1 int4_ops)
-- where onek2.unique1 < 20 or onek2.unique1 > 980;
--CREATE INDEX onek2_u2_prtl ON onek2 USING btree(unique2 int4_ops)
-- where onek2.stringu1 < 'B';
-- EXTEND INDEX onek2_u2_prtl where onek2.stringu1 < 'C';
-- EXTEND INDEX onek2_u2_prtl;
-- CREATE INDEX onek2_stu1_prtl ON onek2 USING btree(stringu1 name_ops)
-- where onek2.stringu1 >= 'J' and onek2.stringu1 < 'K';
CREATE INDEX onek2_u1_prtl ON onek2 USING btree(unique1 int4_ops)
where unique1 < 20 or unique1 > 980;
CREATE INDEX onek2_u2_prtl ON onek2 USING btree(unique2 int4_ops)
where stringu1 < 'B';
CREATE INDEX onek2_stu1_prtl ON onek2 USING btree(stringu1 name_ops)
where onek2.stringu1 >= 'J' and onek2.stringu1 < 'K';
--
-- RTREE
--

1
src/test/regress/expected/portals_p2.out
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@ -1,7 +1,6 @@
--
-- PORTALS_P2
--
-- EXTEND INDEX onek2_u1_prtl WHERE onek2.unique1 <= 60;
BEGIN;
DECLARE foo13 CURSOR FOR
SELECT * FROM onek WHERE unique1 = 50;

3
src/test/regress/expected/sanity_check.out
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@ -29,6 +29,7 @@ SELECT relname, relhasindex
num_exp_sqrt | t
num_exp_sub | t
onek | t
onek2 | t
pg_aggregate | t
pg_am | t
pg_amop | t
@ -57,5 +58,5 @@ SELECT relname, relhasindex
shighway | t
tenk1 | t
tenk2 | t
(47 rows)
(48 rows)

84
src/test/regress/expected/select.out
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@ -205,24 +205,88 @@ SELECT onek.unique1, onek.string4
(20 rows)
--
-- partial btree index
-- test partial btree indexes
--
-- As of 7.2, planner probably won't pick an indexscan without stats,
-- so ANALYZE first.
--
ANALYZE onek2;
--
-- awk '{if($1<10){print $0;}else{next;}}' onek.data | sort +0n -1
--
--SELECT onek2.* WHERE onek2.unique1 < 10;
SELECT onek2.* WHERE onek2.unique1 < 10;
unique1 | unique2 | two | four | ten | twenty | hundred | thousand | twothousand | fivethous | tenthous | odd | even | stringu1 | stringu2 | string4
---------+---------+-----+------+-----+--------+---------+----------+-------------+-----------+----------+-----+------+----------+----------+---------
0 | 998 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | AAAAAA | KMBAAA | OOOOxx
1 | 214 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | BAAAAA | GIAAAA | OOOOxx
2 | 326 | 0 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 5 | CAAAAA | OMAAAA | OOOOxx
3 | 431 | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 7 | DAAAAA | PQAAAA | VVVVxx
4 | 833 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 8 | 9 | EAAAAA | BGBAAA | HHHHxx
5 | 541 | 1 | 1 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 10 | 11 | FAAAAA | VUAAAA | HHHHxx
6 | 978 | 0 | 2 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 12 | 13 | GAAAAA | QLBAAA | OOOOxx
7 | 647 | 1 | 3 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 14 | 15 | HAAAAA | XYAAAA | VVVVxx
8 | 653 | 0 | 0 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 16 | 17 | IAAAAA | DZAAAA | HHHHxx
9 | 49 | 1 | 1 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 18 | 19 | JAAAAA | XBAAAA | HHHHxx
(10 rows)
--
-- partial btree index
-- awk '{if($1<20){print $1,$14;}else{next;}}' onek.data | sort +0nr -1
--
--SELECT onek2.unique1, onek2.stringu1
-- WHERE onek2.unique1 < 20
-- ORDER BY unique1 using >;
SELECT onek2.unique1, onek2.stringu1
WHERE onek2.unique1 < 20
ORDER BY unique1 using >;
unique1 | stringu1
---------+----------
19 | TAAAAA
18 | SAAAAA
17 | RAAAAA
16 | QAAAAA
15 | PAAAAA
14 | OAAAAA
13 | NAAAAA
12 | MAAAAA
11 | LAAAAA
10 | KAAAAA
9 | JAAAAA
8 | IAAAAA
7 | HAAAAA
6 | GAAAAA
5 | FAAAAA
4 | EAAAAA
3 | DAAAAA
2 | CAAAAA
1 | BAAAAA
0 | AAAAAA
(20 rows)
--
-- awk '{if($1>980){print $1,$14;}else{next;}}' onek.data | sort +1d -2
--
--SELECT onek2.unique1, onek2.stringu1
-- WHERE onek2.unique1 > 980
-- ORDER BY stringu1 using <;
SELECT onek2.unique1, onek2.stringu1
WHERE onek2.unique1 > 980;
unique1 | stringu1
---------+----------
981 | TLAAAA
982 | ULAAAA
983 | VLAAAA
984 | WLAAAA
985 | XLAAAA
986 | YLAAAA
987 | ZLAAAA
988 | AMAAAA
989 | BMAAAA
990 | CMAAAA
991 | DMAAAA
992 | EMAAAA
993 | FMAAAA
994 | GMAAAA
995 | HMAAAA
996 | IMAAAA
997 | JMAAAA
998 | KMAAAA
999 | LMAAAA
(19 rows)
SELECT two, stringu1, ten, string4
INTO TABLE tmp
FROM onek;

17
src/test/regress/sql/create_index.sql
View File

@ -50,20 +50,15 @@ CREATE INDEX bt_f8_index ON bt_f8_heap USING btree (seqno float8_ops);
--
-- BTREE partial indices
-- partial indices are not supported in PostgreSQL
--
--CREATE INDEX onek2_u1_prtl ON onek2 USING btree(unique1 int4_ops)
-- where onek2.unique1 < 20 or onek2.unique1 > 980;
CREATE INDEX onek2_u1_prtl ON onek2 USING btree(unique1 int4_ops)
where unique1 < 20 or unique1 > 980;
--CREATE INDEX onek2_u2_prtl ON onek2 USING btree(unique2 int4_ops)
-- where onek2.stringu1 < 'B';
CREATE INDEX onek2_u2_prtl ON onek2 USING btree(unique2 int4_ops)
where stringu1 < 'B';
-- EXTEND INDEX onek2_u2_prtl where onek2.stringu1 < 'C';
-- EXTEND INDEX onek2_u2_prtl;
-- CREATE INDEX onek2_stu1_prtl ON onek2 USING btree(stringu1 name_ops)
-- where onek2.stringu1 >= 'J' and onek2.stringu1 < 'K';
CREATE INDEX onek2_stu1_prtl ON onek2 USING btree(stringu1 name_ops)
where onek2.stringu1 >= 'J' and onek2.stringu1 < 'K';
--
-- RTREE

2
src/test/regress/sql/portals_p2.sql
View File

@ -2,8 +2,6 @@
-- PORTALS_P2
--
-- EXTEND INDEX onek2_u1_prtl WHERE onek2.unique1 <= 60;
BEGIN;
DECLARE foo13 CURSOR FOR

28
src/test/regress/sql/select.sql
View File

@ -55,26 +55,32 @@ SELECT onek.unique1, onek.string4
ORDER BY unique1 using <, string4 using >;
--
-- partial btree index
-- awk '{if($1<10){print $0;}else{next;}}' onek.data | sort +0n -1
-- test partial btree indexes
--
--SELECT onek2.* WHERE onek2.unique1 < 10;
-- As of 7.2, planner probably won't pick an indexscan without stats,
-- so ANALYZE first.
--
ANALYZE onek2;
--
-- awk '{if($1<10){print $0;}else{next;}}' onek.data | sort +0n -1
--
SELECT onek2.* WHERE onek2.unique1 < 10;
--
-- partial btree index
-- awk '{if($1<20){print $1,$14;}else{next;}}' onek.data | sort +0nr -1
--
--SELECT onek2.unique1, onek2.stringu1
-- WHERE onek2.unique1 < 20
-- ORDER BY unique1 using >;
SELECT onek2.unique1, onek2.stringu1
WHERE onek2.unique1 < 20
ORDER BY unique1 using >;
--
-- awk '{if($1>980){print $1,$14;}else{next;}}' onek.data | sort +1d -2
--
--SELECT onek2.unique1, onek2.stringu1
-- WHERE onek2.unique1 > 980
-- ORDER BY stringu1 using <;
SELECT onek2.unique1, onek2.stringu1
WHERE onek2.unique1 > 980;
SELECT two, stringu1, ten, string4
INTO TABLE tmp
FROM onek;