Remove TiDB storage implementaion

README-zh.md

@@ -1036,8 +1036,8 @@ rag.clear_cache(modes=["local"])
 | **参数** | **类型** | **说明** | **默认值** |
 |--------------|----------|-----------------|-------------|
 | **working_dir** | `str` | 存储缓存的目录 | `lightrag_cache+timestamp` |
-| **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage`,`TiDBKVStorage` | `JsonKVStorage` |
+| **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage` | `JsonKVStorage` |
-| **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`TiDBVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
+| **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
 | **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage`,`GremlinStorage` | `NetworkXStorage` |
 | **doc_status_storage** | `str` | Storage type for documents process status. Supported types: `JsonDocStatusStorage`,`PGDocStatusStorage`,`MongoDocStatusStorage` | `JsonDocStatusStorage` |
 | **chunk_token_size** | `int` | 拆分文档时每个块的最大令牌大小 | `1200` |

README.md

@@ -1064,8 +1064,8 @@ Valid modes are:
 | **Parameter** | **Type** | **Explanation** | **Default** |
 |--------------|----------|-----------------|-------------|
 | **working_dir** | `str` | Directory where the cache will be stored | `lightrag_cache+timestamp` |
-| **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage`,`TiDBKVStorage` | `JsonKVStorage` |
+| **kv_storage** | `str` | Storage type for documents and text chunks. Supported types: `JsonKVStorage`,`PGKVStorage`,`RedisKVStorage`,`MongoKVStorage` | `JsonKVStorage` |
-| **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`TiDBVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
+| **vector_storage** | `str` | Storage type for embedding vectors. Supported types: `NanoVectorDBStorage`,`PGVectorStorage`,`MilvusVectorDBStorage`,`ChromaVectorDBStorage`,`FaissVectorDBStorage`,`MongoVectorDBStorage`,`QdrantVectorDBStorage` | `NanoVectorDBStorage` |
 | **graph_storage** | `str` | Storage type for graph edges and nodes. Supported types: `NetworkXStorage`,`Neo4JStorage`,`PGGraphStorage`,`AGEStorage`,`GremlinStorage` | `NetworkXStorage` |
 | **doc_status_storage** | `str` | Storage type for documents process status. Supported types: `JsonDocStatusStorage`,`PGDocStatusStorage`,`MongoDocStatusStorage` | `JsonDocStatusStorage` |
 | **chunk_token_size** | `int` | Maximum token size per chunk when splitting documents | `1200` |

config.ini.example

@@ -13,14 +13,6 @@ uri=redis://localhost:6379/1
 [qdrant]
 uri = http://localhost:16333
 
-[tidb]
-host = localhost
-port = 4000
-user = your_username
-password = your_password
-database = your_database
-workspace = default  # 可选,默认为default
-
 [postgres]
 host = localhost
 port = 5432

env.example

@@ -109,12 +109,12 @@ LIGHTRAG_VECTOR_STORAGE=NanoVectorDBStorage
 LIGHTRAG_GRAPH_STORAGE=NetworkXStorage
 LIGHTRAG_DOC_STATUS_STORAGE=JsonDocStatusStorage
 
-### TiDB Configuration
+### TiDB Configuration (Deprecated)
-TIDB_HOST=localhost
+# TIDB_HOST=localhost
-TIDB_PORT=4000
+# TIDB_PORT=4000
-TIDB_USER=your_username
+# TIDB_USER=your_username
-TIDB_PASSWORD='your_password'
+# TIDB_PASSWORD='your_password'
-TIDB_DATABASE=your_database
+# TIDB_DATABASE=your_database
 ### separating all data from difference Lightrag instances(deprecating)
 # TIDB_WORKSPACE=default
 

examples/lightrag_tidb_demo.py

@@ -1,3 +1,7 @@
+###########################################
+# TiDB storage implementation is deprecated
+###########################################
+
 import asyncio
 import os
 

lightrag/api/README-zh.md

@@ -294,7 +294,6 @@ JsonKVStorage    JsonFile(默认)
 PGKVStorage      Postgres
 RedisKVStorage   Redis
 MongoKVStorage   MogonDB
-TiDBKVStorage    TiDB
 ```
 
 * GRAPH_STORAGE 支持的实现名称
@@ -316,7 +315,6 @@ MilvusVectorDBStorge        Milvus
 ChromaVectorDBStorage       Chroma
 FaissVectorDBStorage        Faiss
 QdrantVectorDBStorage       Qdrant
-TiDBVectorDBStorage         TiDB
 MongoVectorDBStorage        MongoDB
 ```
 

lightrag/api/README.md

@@ -305,7 +305,6 @@ JsonKVStorage    JsonFile(default)
 PGKVStorage      Postgres
 RedisKVStorage   Redis
 MongoKVStorage   MogonDB
-TiDBKVStorage    TiDB
 ```
 
 * GRAPH_STORAGE supported implement-name
@@ -327,7 +326,6 @@ MilvusVectorDBStorge        Milvus
 ChromaVectorDBStorage       Chroma
 FaissVectorDBStorage        Faiss
 QdrantVectorDBStorage       Qdrant
-TiDBVectorDBStorage         TiDB
 MongoVectorDBStorage        MongoDB
 ```
 

lightrag/kg/__init__.py

@@ -4,7 +4,7 @@ STORAGE_IMPLEMENTATIONS = {
             "JsonKVStorage",
             "MongoKVStorage",
             "RedisKVStorage",
-            "TiDBKVStorage",
+            # "TiDBKVStorage",
             "PGKVStorage",
         ],
         "required_methods": ["get_by_id", "upsert"],
@@ -26,7 +26,7 @@ STORAGE_IMPLEMENTATIONS = {
             "NanoVectorDBStorage",
             "MilvusVectorDBStorage",
             "ChromaVectorDBStorage",
-            "TiDBVectorDBStorage",
+            # "TiDBVectorDBStorage",
             "PGVectorStorage",
             "FaissVectorDBStorage",
             "QdrantVectorDBStorage",
@@ -50,13 +50,13 @@ STORAGE_ENV_REQUIREMENTS: dict[str, list[str]] = {
     "JsonKVStorage": [],
     "MongoKVStorage": [],
     "RedisKVStorage": ["REDIS_URI"],
-    "TiDBKVStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
+    # "TiDBKVStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
     "PGKVStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
     # Graph Storage Implementations
     "NetworkXStorage": [],
     "Neo4JStorage": ["NEO4J_URI", "NEO4J_USERNAME", "NEO4J_PASSWORD"],
     "MongoGraphStorage": [],
-    "TiDBGraphStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
+    # "TiDBGraphStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
     "AGEStorage": [
         "AGE_POSTGRES_DB",
         "AGE_POSTGRES_USER",
@@ -72,7 +72,7 @@ STORAGE_ENV_REQUIREMENTS: dict[str, list[str]] = {
     "NanoVectorDBStorage": [],
     "MilvusVectorDBStorage": [],
     "ChromaVectorDBStorage": [],
-    "TiDBVectorDBStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
+    # "TiDBVectorDBStorage": ["TIDB_USER", "TIDB_PASSWORD", "TIDB_DATABASE"],
     "PGVectorStorage": ["POSTGRES_USER", "POSTGRES_PASSWORD", "POSTGRES_DATABASE"],
     "FaissVectorDBStorage": [],
     "QdrantVectorDBStorage": ["QDRANT_URL"],  # QDRANT_API_KEY has default value None
@@ -97,9 +97,9 @@ STORAGES = {
     "MongoVectorDBStorage": ".kg.mongo_impl",
     "RedisKVStorage": ".kg.redis_impl",
     "ChromaVectorDBStorage": ".kg.chroma_impl",
-    "TiDBKVStorage": ".kg.tidb_impl",
+    # "TiDBKVStorage": ".kg.tidb_impl",
-    "TiDBVectorDBStorage": ".kg.tidb_impl",
+    # "TiDBVectorDBStorage": ".kg.tidb_impl",
-    "TiDBGraphStorage": ".kg.tidb_impl",
+    # "TiDBGraphStorage": ".kg.tidb_impl",
     "PGKVStorage": ".kg.postgres_impl",
     "PGVectorStorage": ".kg.postgres_impl",
     "AGEStorage": ".kg.age_impl",