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Example code of ankane/pgvector

Informations about the package pgvector

pgvector-php

pgvector support for PHP

Supports Laravel, Doctrine, and PgSql

Build Status

Getting Started

Follow the instructions for your database library:

Or check out some examples:

Laravel

Install the package

Enable the extension

You can now use the vector type in future migrations

Update your model

Insert a vector

Get the nearest neighbors to a record

Also supports InnerProduct, Cosine, L1, Hamming, and Jaccard distance

Get the nearest neighbors to a vector

Get the distances

Add an approximate index in a migration

Use vector_ip_ops for inner product and vector_cosine_ops for cosine distance

Doctrine

Install the package

Register the types and distance functions

Enable the extension

Update your model

Insert a vector

Get the nearest neighbors to a vector

Also supports max_inner_product, cosine_distance, l1_distance, hamming_distance, and jaccard_distance

PgSql

Enable the extension

Create a table

Insert a vector

Get the nearest neighbors to a vector

Add an approximate index

See a full example

Upgrading

0.1.4

The package name was changed from ankane/pgvector to pgvector/pgvector. Update it in composer.json to remove the message.

History

View the changelog

Contributing

Everyone is encouraged to help improve this project. Here are a few ways you can help:

To get started with development:

To run an example:

All versions of pgvector with dependencies

PHP Build Version
Package Version
Requires php Version >= 7.4
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