Files
ragflow/common/constants.py
MkDev11 6f31c5fed2 feat/add MySQL and PostgreSQL data source connectors (#12817)
### What problem does this PR solve?

This PR adds MySQL and PostgreSQL as data source connectors, allowing
users to import data directly from relational databases into RAGFlow for
RAG workflows.

Many users store their knowledge in databases (product catalogs,
documentation, FAQs, etc.) and currently have no way to sync this data
into RAGFlow without exporting to files first. This feature lets them
connect directly to their databases, run SQL queries, and automatically
create documents from the results.

Closes #763
Closes #11560

### Type of change

- [ ] Bug Fix (non-breaking change which fixes an issue)
- [x] New Feature (non-breaking change which adds functionality)
- [ ] Documentation Update
- [ ] Refactoring
- [ ] Performance Improvement
- [ ] Other (please describe):

### What this PR does

**New capabilities:**
- Connect to MySQL and PostgreSQL databases
- Run custom SQL queries to extract data
- Map database columns to document content (vectorized) and metadata
(searchable)
- Support incremental sync using a timestamp column
- Full frontend UI with connection form and tooltips

**Files changed:**

Backend:
- `common/constants.py` - Added MYSQL/POSTGRESQL to FileSource enum
- `common/data_source/config.py` - Added to DocumentSource enum
- `common/data_source/rdbms_connector.py` - New connector (368 lines)
- `common/data_source/__init__.py` - Exported the connector
- `rag/svr/sync_data_source.py` - Added MySQL and PostgreSQL sync
classes
- `pyproject.toml` - Added mysql-connector-python dependency

Frontend:
- `web/src/pages/user-setting/data-source/constant/index.tsx` - Form
fields
- `web/src/locales/en.ts` - English translations
- `web/src/assets/svg/data-source/mysql.svg` - MySQL icon
- `web/src/assets/svg/data-source/postgresql.svg` - PostgreSQL icon

### Testing done

Tested with MySQL 8.0 and PostgreSQL 16:
- Connection validation works correctly
- Full sync imports all query results as documents
- Incremental sync only fetches rows updated since last sync
- Custom SQL queries filter data as expected
- Invalid credentials show clear error messages
- Lint checks pass (`ruff check` returns no errors)

---------

Co-authored-by: mkdev11 <YOUR_GITHUB_ID+MkDev11@users.noreply.github.com>
2026-02-04 10:14:32 +08:00

255 lines
6.8 KiB
Python

#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from enum import Enum, IntEnum
from strenum import StrEnum
SERVICE_CONF = "service_conf.yaml"
RAG_FLOW_SERVICE_NAME = "ragflow"
class CustomEnum(Enum):
@classmethod
def valid(cls, value):
try:
cls(value)
return True
except BaseException:
return False
@classmethod
def values(cls):
return [member.value for member in cls.__members__.values()]
@classmethod
def names(cls):
return [member.name for member in cls.__members__.values()]
class RetCode(IntEnum, CustomEnum):
SUCCESS = 0
NOT_EFFECTIVE = 10
EXCEPTION_ERROR = 100
ARGUMENT_ERROR = 101
DATA_ERROR = 102
OPERATING_ERROR = 103
CONNECTION_ERROR = 105
RUNNING = 106
PERMISSION_ERROR = 108
AUTHENTICATION_ERROR = 109
BAD_REQUEST = 400
UNAUTHORIZED = 401
SERVER_ERROR = 500
FORBIDDEN = 403
NOT_FOUND = 404
CONFLICT = 409
class StatusEnum(Enum):
VALID = "1"
INVALID = "0"
class ActiveEnum(Enum):
ACTIVE = "1"
INACTIVE = "0"
class LLMType(StrEnum):
CHAT = "chat"
EMBEDDING = "embedding"
SPEECH2TEXT = "speech2text"
IMAGE2TEXT = "image2text"
RERANK = "rerank"
TTS = "tts"
OCR = "ocr"
class TaskStatus(StrEnum):
UNSTART = "0"
RUNNING = "1"
CANCEL = "2"
DONE = "3"
FAIL = "4"
SCHEDULE = "5"
VALID_TASK_STATUS = {TaskStatus.UNSTART, TaskStatus.RUNNING, TaskStatus.CANCEL, TaskStatus.DONE, TaskStatus.FAIL, TaskStatus.SCHEDULE}
class ParserType(StrEnum):
PRESENTATION = "presentation"
LAWS = "laws"
MANUAL = "manual"
PAPER = "paper"
RESUME = "resume"
BOOK = "book"
QA = "qa"
TABLE = "table"
NAIVE = "naive"
PICTURE = "picture"
ONE = "one"
AUDIO = "audio"
EMAIL = "email"
KG = "knowledge_graph"
TAG = "tag"
class FileSource(StrEnum):
LOCAL = ""
KNOWLEDGEBASE = "knowledgebase"
S3 = "s3"
NOTION = "notion"
DISCORD = "discord"
CONFLUENCE = "confluence"
GMAIL = "gmail"
GOOGLE_DRIVE = "google_drive"
JIRA = "jira"
SHAREPOINT = "sharepoint"
SLACK = "slack"
TEAMS = "teams"
WEBDAV = "webdav"
MOODLE = "moodle"
DROPBOX = "dropbox"
BOX = "box"
R2 = "r2"
OCI_STORAGE = "oci_storage"
GOOGLE_CLOUD_STORAGE = "google_cloud_storage"
AIRTABLE = "airtable"
ASANA = "asana"
GITHUB = "github"
GITLAB = "gitlab"
IMAP = "imap"
BITBUCKET = "bitbucket"
ZENDESK = "zendesk"
SEAFILE = "seafile"
MYSQL = "mysql"
POSTGRESQL = "postgresql"
class PipelineTaskType(StrEnum):
PARSE = "Parse"
DOWNLOAD = "Download"
RAPTOR = "RAPTOR"
GRAPH_RAG = "GraphRAG"
MINDMAP = "Mindmap"
MEMORY = "Memory"
VALID_PIPELINE_TASK_TYPES = {PipelineTaskType.PARSE, PipelineTaskType.DOWNLOAD, PipelineTaskType.RAPTOR, PipelineTaskType.GRAPH_RAG, PipelineTaskType.MINDMAP}
class MCPServerType(StrEnum):
SSE = "sse"
STREAMABLE_HTTP = "streamable-http"
VALID_MCP_SERVER_TYPES = {MCPServerType.SSE, MCPServerType.STREAMABLE_HTTP}
class Storage(Enum):
MINIO = 1
AZURE_SPN = 2
AZURE_SAS = 3
AWS_S3 = 4
OSS = 5
OPENDAL = 6
GCS = 7
class MemoryType(Enum):
RAW = 0b0001 # 1 << 0 = 1 (0b00000001)
SEMANTIC = 0b0010 # 1 << 1 = 2 (0b00000010)
EPISODIC = 0b0100 # 1 << 2 = 4 (0b00000100)
PROCEDURAL = 0b1000 # 1 << 3 = 8 (0b00001000)
class MemoryStorageType(StrEnum):
TABLE = "table"
GRAPH = "graph"
class ForgettingPolicy(StrEnum):
FIFO = "FIFO"
# environment
# ENV_STRONG_TEST_COUNT = "STRONG_TEST_COUNT"
# ENV_RAGFLOW_SECRET_KEY = "RAGFLOW_SECRET_KEY"
# ENV_REGISTER_ENABLED = "REGISTER_ENABLED"
# ENV_DOC_ENGINE = "DOC_ENGINE"
# ENV_SANDBOX_ENABLED = "SANDBOX_ENABLED"
# ENV_SANDBOX_HOST = "SANDBOX_HOST"
# ENV_MAX_CONTENT_LENGTH = "MAX_CONTENT_LENGTH"
# ENV_COMPONENT_EXEC_TIMEOUT = "COMPONENT_EXEC_TIMEOUT"
# ENV_TRINO_USE_TLS = "TRINO_USE_TLS"
# ENV_MAX_FILE_NUM_PER_USER = "MAX_FILE_NUM_PER_USER"
# ENV_MACOS = "MACOS"
# ENV_RAGFLOW_DEBUGPY_LISTEN = "RAGFLOW_DEBUGPY_LISTEN"
# ENV_WERKZEUG_RUN_MAIN = "WERKZEUG_RUN_MAIN"
# ENV_DISABLE_SDK = "DISABLE_SDK"
# ENV_ENABLE_TIMEOUT_ASSERTION = "ENABLE_TIMEOUT_ASSERTION"
# ENV_LOG_LEVELS = "LOG_LEVELS"
# ENV_TENSORRT_DLA_SVR = "TENSORRT_DLA_SVR"
# ENV_OCR_GPU_MEM_LIMIT_MB = "OCR_GPU_MEM_LIMIT_MB"
# ENV_OCR_ARENA_EXTEND_STRATEGY = "OCR_ARENA_EXTEND_STRATEGY"
# ENV_MAX_CONCURRENT_PROCESS_AND_EXTRACT_CHUNK = "MAX_CONCURRENT_PROCESS_AND_EXTRACT_CHUNK"
# ENV_MAX_MAX_CONCURRENT_CHATS = "MAX_CONCURRENT_CHATS"
# ENV_RAGFLOW_MCP_BASE_URL = "RAGFLOW_MCP_BASE_URL"
# ENV_RAGFLOW_MCP_HOST = "RAGFLOW_MCP_HOST"
# ENV_RAGFLOW_MCP_PORT = "RAGFLOW_MCP_PORT"
# ENV_RAGFLOW_MCP_LAUNCH_MODE = "RAGFLOW_MCP_LAUNCH_MODE"
# ENV_RAGFLOW_MCP_HOST_API_KEY = "RAGFLOW_MCP_HOST_API_KEY"
# ENV_MINERU_EXECUTABLE = "MINERU_EXECUTABLE"
# ENV_MINERU_APISERVER = "MINERU_APISERVER"
# ENV_MINERU_OUTPUT_DIR = "MINERU_OUTPUT_DIR"
# ENV_MINERU_BACKEND = "MINERU_BACKEND"
# ENV_MINERU_DELETE_OUTPUT = "MINERU_DELETE_OUTPUT"
# ENV_TCADP_OUTPUT_DIR = "TCADP_OUTPUT_DIR"
# ENV_LM_TIMEOUT_SECONDS = "LM_TIMEOUT_SECONDS"
# ENV_LLM_MAX_RETRIES = "LLM_MAX_RETRIES"
# ENV_LLM_BASE_DELAY = "LLM_BASE_DELAY"
# ENV_OLLAMA_KEEP_ALIVE = "OLLAMA_KEEP_ALIVE"
# ENV_DOC_BULK_SIZE = "DOC_BULK_SIZE"
# ENV_EMBEDDING_BATCH_SIZE = "EMBEDDING_BATCH_SIZE"
# ENV_MAX_CONCURRENT_TASKS = "MAX_CONCURRENT_TASKS"
# ENV_MAX_CONCURRENT_CHUNK_BUILDERS = "MAX_CONCURRENT_CHUNK_BUILDERS"
# ENV_MAX_CONCURRENT_MINIO = "MAX_CONCURRENT_MINIO"
# ENV_WORKER_HEARTBEAT_TIMEOUT = "WORKER_HEARTBEAT_TIMEOUT"
# ENV_TRACE_MALLOC_ENABLED = "TRACE_MALLOC_ENABLED"
PAGERANK_FLD = "pagerank_fea"
SVR_QUEUE_NAME = "rag_flow_svr_queue"
SVR_CONSUMER_GROUP_NAME = "rag_flow_svr_task_broker"
TAG_FLD = "tag_feas"
MINERU_ENV_KEYS = ["MINERU_APISERVER", "MINERU_OUTPUT_DIR", "MINERU_BACKEND", "MINERU_SERVER_URL", "MINERU_DELETE_OUTPUT"]
MINERU_DEFAULT_CONFIG = {
"MINERU_APISERVER": "",
"MINERU_OUTPUT_DIR": "",
"MINERU_BACKEND": "pipeline",
"MINERU_SERVER_URL": "",
"MINERU_DELETE_OUTPUT": 1,
}
PADDLEOCR_ENV_KEYS = ["PADDLEOCR_API_URL", "PADDLEOCR_ACCESS_TOKEN", "PADDLEOCR_ALGORITHM"]
PADDLEOCR_DEFAULT_CONFIG = {
"PADDLEOCR_API_URL": "",
"PADDLEOCR_ACCESS_TOKEN": None,
"PADDLEOCR_ALGORITHM": "PaddleOCR-VL",
}