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Bunny Database is built on libSQL, a fork of SQLite. Every database runs the same SQLite 3.45.1 core and exposes the same set of extra modules, functions, and syntax on top of it. There is nothing to enable: everything in this section is available on every database and every connection, and nothing can be added or removed per database. Anything that SQLite added after version 3.45 is not available. See Core functions for the specifics.

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Extensions

Full-text search

FTS5, FTS4, and FTS3 indexes with BM25 ranking, highlighting, and snippets

Vector search

Vector columns, distance functions, and approximate nearest neighbor indexes

Spatial

R*Tree range indexes and Geopoly polygon queries

JSON

Build, query, modify, and aggregate JSON and JSONB

Regular expressions

The REGEXP operator and the regexp and regexpi functions

Identifiers and hashing

UUID generation and SHA-3 hashing

Mathematics

Trigonometric, logarithmic, and rounding functions

Statistics and text

Median, quartile, and deviation aggregates plus string helpers

Sequences

The generate_series table-valued function

Introspection

Space usage, open statements, and pragmas as tables

Syntax extensions

Alter a column in place and random row IDs

Connection settings

Settings that differ from SQLite, unsupported statements, and limits

Core functions

Standard SQLite functions and statement features

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Connection functions

Two functions report on the current connection:

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Standard SQLite features

The standard SQLite 3.45 scalar, aggregate, window, and date and time functions are all available, along with STRICT tables, RETURNING, UPSERT, generated columns, and common table expressions. See Core functions for the full list and what is missing.
Last modified on November 2, 2026