# Migration Guide

1. [v0.3 migration guide](#v03-migration-guide)

## v0.3 migration guide

### Data Creation

From the v0.3 version, the previous data creation library goes into the `legacy` package.
Instead of legacy data creation, the `beta` package is introduced.
There are no longer `beta` package at the data, and you can use it without `beta` import.

For example,

- v0.2 version

```python
from autorag.data.corpus import langchain_documents_to_parquet
from autorag.data.qacreation import generate_qa_llama_index, make_single_content_qa
```

```python
from autorag.data.beta.query.llama_gen_query import factoid_query_gen
from autorag.data.beta.sample import random_single_hop
from autorag.data.beta.schema import Raw
```

- v0.3 version

```python
from autorag.data.legacy.corpus import langchain_documents_to_parquet
from autorag.data.legacy.qacreation import generate_qa_llama_index, make_single_content_qa
```

```python
from autorag.data.qa.query.llama_gen_query import factoid_query_gen
from autorag.data.qa.sample import random_single_hop
from autorag.data.qa.schema import Raw
```

## v0.3.7 migration guide

At v0.3.6, there are changes of the vectordb.
You have to specify what vectordb you want to use at the config YAML file.

- v0.3.6 version (previous v0.3.7)

```yaml
node_lines:
- node_line_name: retrieve_node_line
  nodes:
    - node_type: retrieval  # represents run_node function
      strategy:  # essential for every node
        metrics: [retrieval_f1, retrieval_recall]
      top_k: 10 # node param, which adapt to every module in this node.
      modules:
        - module_type: bm25
          bm25_tokenizer: [ facebook/opt-125m, porter_stemmer ]
        - module_type: vectordb
          embedding_model: [openai_embed_3_large, openai_embed_3_small]
        - module_type: hybrid_rrf
          weight_range: (4, 30)
```

- v0.3.7 version

```yaml
vectordb:
  - name: openai_embed_3_small
    db_type: chroma
    client_type: persistent
    embedding_model: openai_embed_3_small
    collection_name: openai_embed_3_small
    path: ${PROJECT_DIR}/resources/chroma
  - name: openai_embed_3_large
    db_type: chroma
    client_type: persistent
    embedding_model: openai_embed_3_large
    collection_name: openai_embed_3_large
    path: ${PROJECT_DIR}/resources/chroma
    embedding_batch: 50
node_lines:
- node_line_name: retrieve_node_line
  nodes:
    - node_type: retrieval  # represents run_node function
      strategy:  # essential for every node
        metrics: [retrieval_f1, retrieval_recall]
      top_k: 10 # node param, which adapt to every module in this node.
      modules:
        - module_type: bm25
          bm25_tokenizer: [ facebook/opt-125m, porter_stemmer ]
        - module_type: vectordb
          vectordb: [openai_embed_3_large, openai_embed_3_small]
        - module_type: hybrid_rrf
          weight_range: (4, 30)
```

For more information about vectordb, you can refer to the [vectordb documentation](integration/vectordb/vectordb.md).