iris-vector

Basic support Vector datatype for IRIS SQL.

Installtion

Install with IPM

zpm "install vector"

Or run this project with docker-compose in development mode

Usage

create table items(embedding vector(3));
insert into items (embedding) values ('[1,2,3]');
insert into items (embedding) values ('[4,5,6]');

SQL Functions

• Normalize

[SQL]irisowner@/usr/irissys/:USER> select embedding,vector.norm(embedding) from items;
+-----------+--------------------+
| embedding | Expression_2       |
+-----------+--------------------+
| [1,2,3]   | 3.7416573867739413 |
| [4,5,6]   | 8.774964387392123  |
+-----------+--------------------+
2 rows in set
Time: 0.065s

• sum two vectors

[SQL]irisowner@/usr/irissys/:USER> select embedding,vector.vector_add(embedding, '[1,1,1]') from items;
+-----------+--------------+
| embedding | Expression_2 |
+-----------+--------------+
| [1,2,3]   | [2,3,4]      |
| [4,5,6]   | [5,6,7]      |
+-----------+--------------+
2 rows in set
Time: 0.066s

• Euclidean distance

[SQL]irisowner@/usr/irissys/:USER> select embedding, vector.l2_distance(embedding, '[9,8,7]') distance from items order by distance;
+-----------+----------------------+
| embedding | distance             |
+-----------+----------------------+
| [4,5,6]   | 5.916079783099616045 |
| [1,2,3]   | 10.77032961426900807 |
+-----------+----------------------+
2 rows in set
Time: 0.012s

• Cosine similarity

[SQL]irisowner@/usr/irissys/:USER> select embedding, vector.cosine_distance(embedding, '[9,8,7]') cosine from items order by distance;
+-----------+---------------------+
| embedding | distance            |
+-----------+---------------------+
| [4,5,6]   | .034536677566264152 |
| [1,2,3]   | .11734101007866331  |
+-----------+---------------------+
2 rows in set
Time: 0.065s

• Inner product

[SQL]irisowner@/usr/irissys/:USER> select embedding, -vector.inner_product(embedding, '[9,8,7]') inner from items order by distance;
+-----------+----------+
| embedding | distance |
+-----------+----------+
| [4,5,6]   | -118     |
| [1,2,3]   | -46      |
+-----------+----------+
2 rows in set
Time: 0.062s

• All in one

select embedding
,vector.norm(embedding) norm
,vector.vector_add(embedding, '[1,1,1]') "add"
,vector.l2_distance(embedding, '[9,8,7]') distance
,vector.cosine_distance(embedding, '[9,8,7]') cosine
,-vector.inner_product(embedding, '[9,8,7]') "inner"
from vector.items
+-----------+----------------------+---------+-----------------------+----------------------+-------+

| embedding	| norm	               | add     | distance              | cosine	            | inner |

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

| [1,2,3]   | 3.741657386773941386 | [2,3,4] | 10.77032961426900807	 | .11734101007866331   | -46   |

| [4,5,6]   | 8.77496438739212206  | [5,6,7] |	5.916079783099616045 |	.034536677566264152 | -118  |

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

Indexing

Not implemented yet