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lancedb/python/ASYNC_MIGRATION.md
Weston Pace 2a02d1394b feat: port create_table to the async python API and the remote rust API (#1031) 
I've also started `ASYNC_MIGRATION.MD` to keep track of the breaking
changes from sync to async python.
2024-02-29 13:29:29 -08:00

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Migration from Sync to Async API

A new asynchronous API has been added to LanceDb. This API is built on top of the rust lancedb crate (instead of being built on top of pylance). This will help keep the various language bindings in sync. There are some slight changes between the synchronous and the asynchronous APIs. This document will help you migrate. These changes relate mostly to the Connection and Table classes.

Almost all functions are async

The most important change is that almost all functions are now async. This means the functions now return asyncio coroutines. You will need to use await to call these functions.

Connection

No changes yet.

Table

  • Previously Table.schema was a property. Now it is an async method.
  • The method Table.__len__ was removed and len(table) will no longer work. Use Table.count_rows instead.