enabling vector index prefix name via configuration files (#22661)

api/.env.example

@@ -144,6 +144,8 @@ CONSOLE_CORS_ALLOW_ORIGINS=http://localhost:3000,*
 # Vector database configuration
 # Supported values are `weaviate`, `qdrant`, `milvus`, `myscale`, `relyt`, `pgvector`, `pgvecto-rs`, `chroma`, `opensearch`, `oracle`, `tencent`, `elasticsearch`, `elasticsearch-ja`, `analyticdb`, `couchbase`, `vikingdb`, `oceanbase`, `opengauss`, `tablestore`,`vastbase`,`tidb`,`tidb_on_qdrant`,`baidu`,`lindorm`,`huawei_cloud`,`upstash`, `matrixone`.
 VECTOR_STORE=weaviate
+# Prefix used to create collection name in vector database
+VECTOR_INDEX_NAME_PREFIX=Vector_index
 
 # Weaviate configuration
 WEAVIATE_ENDPOINT=http://localhost:8080

api/configs/middleware/__init__.py

@@ -85,6 +85,11 @@ class VectorStoreConfig(BaseSettings):
         default=False,
     )
 
+    VECTOR_INDEX_NAME_PREFIX: Optional[str] = Field(
+        description="Prefix used to create collection name in vector database",
+        default="Vector_index",
+    )
+
 
 class KeywordStoreConfig(BaseSettings):
     KEYWORD_STORE: str = Field(

api/models/dataset.py

@@ -255,7 +255,7 @@ class Dataset(Base):
     @staticmethod
     def gen_collection_name_by_id(dataset_id: str) -> str:
         normalized_dataset_id = dataset_id.replace("-", "_")
-        return f"Vector_index_{normalized_dataset_id}_Node"
+        return f"{dify_config.VECTOR_INDEX_NAME_PREFIX}_{normalized_dataset_id}_Node"
 
 
 class DatasetProcessRule(Base):