go-sql-driver / mysql

Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package
https://pkg.go.dev/github.com/go-sql-driver/mysql
Mozilla Public License 2.0
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Add support for new VECTOR type #1609

Closed dbussink closed 1 month ago

dbussink commented 1 month ago

Description

MySQL 9.0.0 added support for the VECTOR type. This adds basic support so it can be handled at the protocol level.

See also https://dev.mysql.com/doc/dev/mysql-server/latest/field__types_8h.html

I have not added tests here specifically, since I also don't see any tests for some of the other types like say GEOMETRY and don't know how to add those then in a way that's preferred by the project.

Checklist

Summary by CodeRabbit

coderabbitai[bot] commented 1 month ago

Walkthrough

Recent changes introduce a new contributor, Dirkjan Bussink, and expand the fieldType enum with new types: fieldTypeVector, fieldTypeInvalid, and fieldTypeBool. The code handling these field types in fields.go and packets.go has been updated to support fieldTypeVector. This addition enables the handling of vector data types within the impacted functions.

Changes

Files Summary of Changes
AUTHORS Added Dirkjan Bussink as a new contributor with the email d.bussink@gmail.com.
const.go Added fieldTypeVector, fieldTypeInvalid, fieldTypeBool to the fieldType enum.
fields.go Included fieldTypeVector in typeDatabaseName and scanType method cases.
packets.go Added fieldTypeVector handling in the readRow function within binaryRows.

Poem

A new contributor joins the scene,
With vectors added to the field routine.
From types to rows, the code extends,
As Dirkjan’s magic now wends.
Handling data with a vector's grace,
Our codebase finds a new embrace. 🌟


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coveralls commented 1 month ago

Coverage Status

coverage: 82.403% (-0.04%) from 82.446% when pulling fcb28a6db68ea7fce453528fe268fe0eda52d247 on dbussink:add-vector-support into 3484db1f68a7b493faffc08c1897360fdd7a67f9 on go-sql-driver:master.

shaozi commented 2 days ago

Hi, Can you provide an example on how to use the new vector field? I tried to insert a []float32 as well as an array [768]float32 but ran into error:

db.Exec("insert into vector_table (id, embeddings) values (?,?)",
            id, embeddings,
        )
sql: converting argument $2 type: unsupported type [768]float32, a array