154 lines
4.4 KiB
Python
154 lines
4.4 KiB
Python
#!/usr/bin/env python3
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"""
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简单测试脚本：检查 Qdrant 内容，测试各种检索方式
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"""
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import asyncio
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import os
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import sys
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project_root = os.path.join(os.path.dirname(__file__), "..", "..")
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sys.path.insert(0, os.path.join(project_root, "backend"))
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from qdrant_client import models
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from rag_core import QdrantVectorStore, get_sparse_embedder
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from app.model_services import get_embedding_service
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def check_qdrant_content():
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"""检查 Qdrant 里的内容"""
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print("="*70)
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print("检查 Qdrant 内容...")
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print("="*70)
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embeddings = get_embedding_service()
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vs = QdrantVectorStore(collection_name="rag_documents", embeddings=embeddings)
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client = vs.get_qdrant_client()
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# 滚动获取前 5 个点
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points, _ = client.scroll(
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collection_name="rag_documents",
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limit=5,
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with_payload=True,
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with_vectors=False
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)
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print(f"\n找到 {len(points)} 个文档\n")
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for i, point in enumerate(points):
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print(f"--- 文档 {i+1} ---")
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print(f"ID: {point.id}")
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print(f"Payload 键: {list(point.payload.keys())}")
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# 打印完整 payload
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for k, v in point.payload.items():
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if isinstance(v, str) and len(v) > 150:
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v = v[:150] + "..."
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print(f" {k}: {v}")
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print()
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def test_dense_retrieval():
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"""测试稠密检索"""
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print("="*70)
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print("测试稠密检索...")
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print("="*70)
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embeddings = get_embedding_service()
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vs = QdrantVectorStore(collection_name="rag_documents", embeddings=embeddings)
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query = "蚂蚁" # 用中文查询
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print(f"\n查询: {query}")
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results = vs.similarity_search(query, k=3)
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print(f"\n找到 {len(results)} 个结果\n")
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for i, doc in enumerate(results):
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print(f"--- 结果 {i+1} ---")
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print(doc.page_content[:200])
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print()
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def test_sparse_retrieval():
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"""测试稀疏检索"""
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print("="*70)
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print("测试稀疏检索（BM25）...")
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print("="*70)
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embeddings = get_embedding_service()
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vs = QdrantVectorStore(collection_name="rag_documents", embeddings=embeddings)
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client = vs.get_qdrant_client()
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sparse_embedder = get_sparse_embedder()
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query = "冬天"
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print(f"\n查询: {query}")
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sparse_query = sparse_embedder.embed_query(query)
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sparse_vec = models.SparseVector(
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indices=sparse_query["indices"],
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values=sparse_query["values"]
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)
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response = client.query_points(
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collection_name="rag_documents",
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query=sparse_vec,
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using="sparse",
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limit=3,
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with_payload=True
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)
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print(f"\n找到 {len(response.points)} 个结果\n")
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for i, point in enumerate(response.points):
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print(f"--- 结果 {i+1} ---")
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print(f"分数: {point.score:.4f}")
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text = point.payload.get("page_content", point.payload.get("text", ""))
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print(text[:200])
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print()
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def test_hybrid_retrieval():
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"""测试混合检索"""
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print("="*70)
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print("测试混合检索（稠密+稀疏 RRF 融合）...")
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print("="*70)
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embeddings = get_embedding_service()
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vs = QdrantVectorStore(collection_name="rag_documents", embeddings=embeddings)
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client = vs.get_qdrant_client()
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sparse_embedder = get_sparse_embedder()
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query = "蚂蚁和蚱蜢"
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print(f"\n查询: {query}")
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dense_query = embeddings.embed_query(query)
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sparse_query = sparse_embedder.embed_query(query)
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sparse_vec = models.SparseVector(
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indices=sparse_query["indices"],
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values=sparse_query["values"]
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)
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response = client.query_points(
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collection_name="rag_documents",
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prefetch=[
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models.Prefetch(query=dense_query, using="dense", limit=3),
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models.Prefetch(query=sparse_vec, using="sparse", limit=3)
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],
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query=models.FusionQuery(fusion=models.Fusion.RRF),
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limit=3,
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with_payload=True
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)
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print(f"\n找到 {len(response.points)} 个结果\n")
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for i, point in enumerate(response.points):
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print(f"--- 结果 {i+1} ---")
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print(f"分数: {point.score:.4f}")
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text = point.payload.get("page_content", point.payload.get("text", ""))
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print(text[:200])
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print()
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if __name__ == "__main__":
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check_qdrant_content()
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test_dense_retrieval()
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test_sparse_retrieval()
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test_hybrid_retrieval()
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