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37 lines
921 B
Markdown
37 lines
921 B
Markdown
# Using `sqlite-vec` in Ruby
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Ruby developers can use `sqlite-vec` with the [`sqlite-vec` Gem](https://rubygems.org/gems/sqlite-vec).
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```bash
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gem install sqlite-vec
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```
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You can then use `SqliteVss.load()` to load `sqlite-vss` SQL functions in a given SQLite connection.
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```ruby
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require 'sqlite3'
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require 'sqlite_vec'
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db = SQLite3::Database.new(':memory:')
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db.enable_load_extension(true)
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SqliteVec.load(db)
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db.enable_load_extension(false)
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result = db.execute('SELECT vec_version()')
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puts result.first.first
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```
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## Working with vectors in Ruby
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If your embeddings are provided as a list of numbers, use `.pack("f*")` to convert them into the compact BLOB format that `sqlite-vec` uses.
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```ruby
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embedding = [0.1, 0.2, 0.3, 0.4]
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result = db.execute("SELECT vec_length(?)", [query.pack("f*")]])
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puts result.first.first # 4
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```
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