koji-db 0.5.0

Kōji - Hybrid SQL + Recursive + Vector Database

Kōji Python Bindings

Python bindings for Kōji, the hybrid SQL + Recursive + Vector database.

Installation

pip install koji-db

Quick Start

import pyarrow as pa
import koji

# Create in-memory database
db = koji.open_memory()

# Create table with initial data (schema is inferred from the RecordBatch)
data = pa.table({"id": [1, 2], "name": ["Alice", "Bob"]})
db.create_table_from_batch("users", data)

# Insert additional data
more = pa.table({"id": [3], "name": ["Carol"]})
db.insert("users", more)

# Query
result = db.query("SELECT * FROM users")
print(result.to_pandas())

Features

• Relational queries via SQL
• Recursive CTEs for graph traversal
• Vector similarity search with automatic indexing
• Zero-copy data interchange with PyArrow

Documentation

See the full documentation.