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opensearch-pyd/samples/knn/knn-efficient-filter.py
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Daniel (dB.) DoubrovkineandGitHub bcfef113c4 Added samples, benchmarks and docs for nox format. (#556)
* Added samples for nox format.

Signed-off-by: dblock <[email protected]>

* Added space after #!/usr/bin/env python.

Signed-off-by: dblock <[email protected]>

* Added benchmarks and docs.

Signed-off-by: dblock <[email protected]>

---------

Signed-off-by: dblock <[email protected]>
2023-10-26 19:55:50 -07:00

181 lines
4.1 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# SPDX-License-Identifier: Apache-2.0
#
# The OpenSearch Contributors require contributions made to
# this file be licensed under the Apache-2.0 license or a
# compatible open source license.
#
# Modifications Copyright OpenSearch Contributors. See
# GitHub history for details.
import os
from opensearchpy import OpenSearch, helpers
# connect to an instance of OpenSearch
host = os.getenv("HOST", default="localhost")
port = int(os.getenv("PORT", 9200))
auth = (os.getenv("USERNAME", "admin"), os.getenv("PASSWORD", "admin"))
client = OpenSearch(
hosts=[{"host": host, "port": port}],
http_auth=auth,
use_ssl=True,
verify_certs=False,
ssl_show_warn=False,
)
# check whether an index exists
index_name = "hotels-index"
if not client.indices.exists(index_name):
client.indices.create(
index_name,
body={
"settings": {
"index.knn": True,
"knn.algo_param.ef_search": 100,
"number_of_shards": 1,
"number_of_replicas": 0,
},
"mappings": {
"properties": {
"location": {
"type": "knn_vector",
"dimension": 2,
"method": {
"name": "hnsw",
"space_type": "l2",
"engine": "lucene",
"parameters": {"ef_construction": 100, "m": 16},
},
},
}
},
},
)
# index data
vectors = [
{
"_index": "hotels-index",
"_id": "1",
"location": [5.2, 4.4],
"parking": "true",
"rating": 5,
},
{
"_index": "hotels-index",
"_id": "2",
"location": [5.2, 3.9],
"parking": "false",
"rating": 4,
},
{
"_index": "hotels-index",
"_id": "3",
"location": [4.9, 3.4],
"parking": "true",
"rating": 9,
},
{
"_index": "hotels-index",
"_id": "4",
"location": [4.2, 4.6],
"parking": "false",
"rating": 6,
},
{
"_index": "hotels-index",
"_id": "5",
"location": [3.3, 4.5],
"parking": "true",
"rating": 8,
},
{
"_index": "hotels-index",
"_id": "6",
"location": [6.4, 3.4],
"parking": "true",
"rating": 9,
},
{
"_index": "hotels-index",
"_id": "7",
"location": [4.2, 6.2],
"parking": "true",
"rating": 5,
},
{
"_index": "hotels-index",
"_id": "8",
"location": [2.4, 4.0],
"parking": "true",
"rating": 8,
},
{
"_index": "hotels-index",
"_id": "9",
"location": [1.4, 3.2],
"parking": "false",
"rating": 5,
},
{
"_index": "hotels-index",
"_id": "10",
"location": [7.0, 9.9],
"parking": "true",
"rating": 9,
},
{
"_index": "hotels-index",
"_id": "11",
"location": [3.0, 2.3],
"parking": "false",
"rating": 6,
},
{
"_index": "hotels-index",
"_id": "12",
"location": [5.0, 1.0],
"parking": "true",
"rating": 3,
},
]
helpers.bulk(client, vectors)
client.indices.refresh(index=index_name)
# search
search_query = {
"size": 3,
"query": {
"knn": {
"location": {
"vector": [5, 4],
"k": 3,
"filter": {
"bool": {
"must": [
{"range": {"rating": {"gte": 8, "lte": 10}}},
{"term": {"parking": "true"}},
]
}
},
}
}
},
}
results = client.search(index=index_name, body=search_query)
for hit in results["hits"]["hits"]:
print(hit)
# delete index
client.indices.delete(index=index_name)