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author Alvaro Herrera <alvherre@alvh.no-ip.org>

2020年1月22日 21:35:05 +0000 (18:35 -0300)

committer Alvaro Herrera <alvherre@alvh.no-ip.org>

2020年1月22日 21:37:39 +0000 (18:37 -0300)

This test case was sketched in commit message 4c87010981f3 to explain an
ancient bug; it translates to a coverage increase, so add it to the BRIN
regression tests.

src/test/regress/expected/brin.out patch | blob | blame | history

src/test/regress/sql/brin.sql patch | blob | blame | history

diff --git a/src/test/regress/expected/brin.out b/src/test/regress/expected/brin.out

index ca80f00dc90f208a2d5cace0b2f8ae17b290999d..0b14c73fc6456c934409075d5bffeed1565f110d 100644 (file)

--- a/src/test/regress/expected/brin.out

+++ b/src/test/regress/expected/brin.out

@@ -483,6 +483,25 @@ SELECT brin_summarize_range('brin_summarize_idx', -1);

ERROR: block number out of range: -1

SELECT brin_summarize_range('brin_summarize_idx', 4294967296);

ERROR: block number out of range: 4294967296

+-- test value merging in add_value

+CREATE TABLE brintest_2 (n numrange);

+CREATE INDEX brinidx_2 ON brintest_2 USING brin (n);

+INSERT INTO brintest_2 VALUES ('empty');

+INSERT INTO brintest_2 VALUES (numrange(0, 2^1000::numeric));

+INSERT INTO brintest_2 VALUES ('(-1, 0)');

+SELECT brin_desummarize_range('brinidx', 0);

+ brin_desummarize_range

+------------------------

+(1 row)

+SELECT brin_summarize_range('brinidx', 0);

+ brin_summarize_range

+----------------------

+ 1

+(1 row)

+DROP TABLE brintest_2;

-- test brin cost estimates behave sanely based on correlation of values

CREATE TABLE brin_test (a INT, b INT);

INSERT INTO brin_test SELECT x/100,x%100 FROM generate_series(1,10000) x(x);

diff --git a/src/test/regress/sql/brin.sql b/src/test/regress/sql/brin.sql

index 11f8fe9bb3261fc01567807e9f624bad4751cae5..1289e76ecb9b55521a68978450d701e63c62fdad 100644 (file)

--- a/src/test/regress/sql/brin.sql

+++ b/src/test/regress/sql/brin.sql

@@ -448,6 +448,16 @@ SELECT brin_summarize_range('brin_summarize_idx', 4294967295);

SELECT brin_summarize_range('brin_summarize_idx', -1);