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Add tests for POSITION(bytea, bytea)

author David Rowley <drowley@postgresql.org>

2025年3月24日 06:32:02 +0000 (19:32 +1300)

committer David Rowley <drowley@postgresql.org>

2025年3月24日 06:32:02 +0000 (19:32 +1300)

Previously there was no coverage for this function.

Author: Aleksander Alekseev <aleksander@timescale.com>
Reviewed-by: Peter Smith <smithpb2250@gmail.com>
Reviewed-by: Rustam ALLAKOV <rustamallakov@gmail.com>
Discussion: https://postgr.es/m/CAJ7c6TMT6XCooMVKnCd_tR2oBdGcnjefSeCDCv8jzKy9VkWA5w@mail.gmail.com

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

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

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

index fbe7d7be71f4d9c135c4139da9270ee990b0b482..dc485735aa45093ed8b3e658c42a68fc77d192c3 100644 (file)

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

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

@@ -1353,6 +1353,36 @@ SELECT POSITION('5' IN '1234567890') = '5' AS "5";

t

(1 row)

+SELECT POSITION('\x11'::bytea IN ''::bytea) = 0 AS "0";

+ 0

+---

+ t

+(1 row)

+

+SELECT POSITION('\x33'::bytea IN '\x1122'::bytea) = 0 AS "0";

+ 0

+---

+ t

+(1 row)

+

+SELECT POSITION(''::bytea IN '\x1122'::bytea) = 1 AS "1";

+ 1

+---

+ t

+(1 row)

+

+SELECT POSITION('\x22'::bytea IN '\x1122'::bytea) = 2 AS "2";

+ 2

+---

+ t

+(1 row)

+

+SELECT POSITION('\x5678'::bytea IN '\x1234567890'::bytea) = 3 AS "3";

+ 3

+---

+ t

+(1 row)

+

-- T312 character overlay function

SELECT OVERLAY('abcdef' PLACING '45' FROM 4) AS "abc45f";

abc45f

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

index ed054e6e99c750f4d198374ce475fb3e73085221..aeba798dac1fafaa96a6c362cce8c60c7a475dbc 100644 (file)

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

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

@@ -367,6 +367,12 @@ SELECT POSITION('4' IN '1234567890') = '4' AS "4";

SELECT POSITION('5' IN '1234567890') = '5' AS "5";

+SELECT POSITION('\x11'::bytea IN ''::bytea) = 0 AS "0";

+SELECT POSITION('\x33'::bytea IN '\x1122'::bytea) = 0 AS "0";

+SELECT POSITION(''::bytea IN '\x1122'::bytea) = 1 AS "1";

+SELECT POSITION('\x22'::bytea IN '\x1122'::bytea) = 2 AS "2";

+SELECT POSITION('\x5678'::bytea IN '\x1234567890'::bytea) = 3 AS "3";

+

-- T312 character overlay function

SELECT OVERLAY('abcdef' PLACING '45' FROM 4) AS "abc45f";

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