Added subscript function for vectors

This commit is contained in:
Andrew Kane
2024-03-17 19:25:39 -07:00
parent b64a1482d9
commit 71ee682ed4
6 changed files with 322 additions and 0 deletions

View File

@@ -6,6 +6,26 @@ SELECT '[1,2,3]'::vector * '[4,5,6]';
SELECT '[1e37]'::vector * '[1e37]';
SELECT '[1e-37]'::vector * '[1e-37]';
SELECT ('[1,2,3]'::vector)[0];
SELECT ('[1,2,3]'::vector)[1];
SELECT ('[1,2,3]'::vector)[2];
SELECT ('[1,2,3]'::vector)[3];
SELECT ('[1,2,3]'::vector)[4];
SELECT ('[1,2,3]'::vector)[1:1];
SELECT ('[1,2,3]'::vector)[1:2];
SELECT ('[1,2,3]'::vector)[2:4];
SELECT ('[1,2,3]'::vector)[-2:2];
SELECT ('[1,2,3]'::vector)[2:1];
SELECT ('[1,2,3]'::vector)[:];
SELECT ('[1,2,3]'::vector)[:2];
SELECT ('[1,2,3]'::vector)[2:];
SELECT ('[1,2,3]'::vector)[:4];
SELECT ('[1,2,3]'::vector)[-2:];
SELECT ('[1,2,3]'::vector)[NULL];
SELECT ('[1,2,3]'::vector)[NULL:2];
SELECT ('[1,2,3]'::vector)[2:NULL];
SELECT ('[1,2,3]'::vector)[1][1];
SELECT '[1,2,3]'::vector = '[1,2,3]';
SELECT '[1,2,3]'::vector = '[1,2]';