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Added subvector function for sparsevec

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This commit is contained in:
Andrew Kane
2024-04-03 15:10:06 -07:00
parent aaa2d644ce
commit 7ca7a64dbb
5 changed files with 97 additions and 0 deletions
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30
test/expected/sparsevec_functions.out
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@@ -60,3 +60,33 @@ SELECT cosine_distance('{}/1'::sparsevec, '{}/1');
SELECT cosine_distance('{0:1}/2'::sparsevec, '{0:1}/3');
ERROR: different sparsevec dimensions 2 and 3
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, 1, 3);
subvector
-----------------
{0:1,1:2,2:3}/3
(1 row)
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, 3, 2);
subvector
-------------
{2:3,3:4}/2
(1 row)
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, -1, 3);
subvector
-----------
{0:1}/1
(1 row)
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, 3, 9);
subvector
-----------------
{2:3,3:4,4:5}/3
(1 row)
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, 1, 0);
ERROR: sparsevec must have at least 1 dimension
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, 3, -1);
ERROR: sparsevec must have at least 1 dimension
SELECT subvector('{0:1,1:2,2:3,3:4,4:5}/5'::sparsevec, -1, 2);
ERROR: sparsevec must have at least 1 dimension