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Extend opensearch to better support existing instances (#2500) (#2509)

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Closes #2500.
This commit is contained in:
Sam Weaver
2023-04-06 15:45:56 -04:00
committed by GitHub
parent ad87584c35
commit 2ffb90b161
2 changed files with 62 additions and 9 deletions
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26
docs/modules/indexes/vectorstores/examples/opensearch.ipynb
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@@ -175,7 +175,7 @@
"docsearch = OpenSearchVectorSearch.from_texts(texts, embeddings, opensearch_url=\"http://localhost:9200\", is_appx_search=False)\n",
"filter = {\"bool\": {\"filter\": {\"term\": {\"text\": \"smuggling\"}}}}\n",
"query = \"What did the president say about Ketanji Brown Jackson\"\n",
"docs = docsearch.similarity_search(\"What did the president say about Ketanji Brown Jackson\", search_type=\"painless_scripting\", space_type=\"cosineSimilarity\", pre_filter=filter)"
"docs = docsearch.similarity_search(\"What did the president say about Ketanji Brown Jackson\", search_type=\"painless_scripting\", space_type=\"cosinesimil\", pre_filter=filter)"
]
},
{
@@ -191,6 +191,30 @@
"source": [
"print(docs[0].page_content)"
]
},
{
"cell_type": "markdown",
"id": "73264864",
"metadata": {},
"source": [
"#### Using a preexisting OpenSearch instance\n",
"\n",
"It's also possible to use a preexisting OpenSearch instance with documents that already have vectors present."
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "82a23440",
"metadata": {},
"outputs": [],
"source": [
"# this is just an example, you would need to change these values to point to another opensearch instance\n",
"docsearch = OpenSearchVectorSearch(index_name=\"index-*\", embedding_function=embeddings, opensearch_url=\"http://localhost:9200\")\n",
"\n",
"# you can specify custom field names to match the fields you're using to store your embedding, document text value, and metadata\n",
"docs = docsearch.similarity_search(\"Who was asking about getting lunch today?\", search_type=\"script_scoring\", space_type=\"cosinesimil\", vector_field=\"message_embedding\", text_field=\"message\", metadata_field=\"message_metadata\")"
]
}
],
"metadata": {