mirror of
https://gitee.com/dify_ai/dify.git
synced 2024-12-02 19:27:48 +08:00
5e34f938c1
Co-authored-by: jyong <jyong@dify.ai>
481 lines
19 KiB
Python
481 lines
19 KiB
Python
import json
|
|
import pickle
|
|
from json import JSONDecodeError
|
|
|
|
from sqlalchemy import func
|
|
from sqlalchemy.dialects.postgresql import UUID, JSONB
|
|
|
|
from extensions.ext_database import db
|
|
from models.account import Account
|
|
from models.model import App, UploadFile
|
|
|
|
|
|
class Dataset(db.Model):
|
|
__tablename__ = 'datasets'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='dataset_pkey'),
|
|
db.Index('dataset_tenant_idx', 'tenant_id'),
|
|
db.Index('retrieval_model_idx', "retrieval_model", postgresql_using='gin')
|
|
)
|
|
|
|
INDEXING_TECHNIQUE_LIST = ['high_quality', 'economy']
|
|
|
|
id = db.Column(UUID, server_default=db.text('uuid_generate_v4()'))
|
|
tenant_id = db.Column(UUID, nullable=False)
|
|
name = db.Column(db.String(255), nullable=False)
|
|
description = db.Column(db.Text, nullable=True)
|
|
provider = db.Column(db.String(255), nullable=False,
|
|
server_default=db.text("'vendor'::character varying"))
|
|
permission = db.Column(db.String(255), nullable=False,
|
|
server_default=db.text("'only_me'::character varying"))
|
|
data_source_type = db.Column(db.String(255))
|
|
indexing_technique = db.Column(db.String(255), nullable=True)
|
|
index_struct = db.Column(db.Text, nullable=True)
|
|
created_by = db.Column(UUID, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
updated_by = db.Column(UUID, nullable=True)
|
|
updated_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
embedding_model = db.Column(db.String(255), nullable=True)
|
|
embedding_model_provider = db.Column(db.String(255), nullable=True)
|
|
collection_binding_id = db.Column(UUID, nullable=True)
|
|
retrieval_model = db.Column(JSONB, nullable=True)
|
|
|
|
@property
|
|
def dataset_keyword_table(self):
|
|
dataset_keyword_table = db.session.query(DatasetKeywordTable).filter(
|
|
DatasetKeywordTable.dataset_id == self.id).first()
|
|
if dataset_keyword_table:
|
|
return dataset_keyword_table
|
|
|
|
return None
|
|
|
|
@property
|
|
def index_struct_dict(self):
|
|
return json.loads(self.index_struct) if self.index_struct else None
|
|
|
|
@property
|
|
def created_by_account(self):
|
|
return Account.query.get(self.created_by)
|
|
|
|
@property
|
|
def latest_process_rule(self):
|
|
return DatasetProcessRule.query.filter(DatasetProcessRule.dataset_id == self.id) \
|
|
.order_by(DatasetProcessRule.created_at.desc()).first()
|
|
|
|
@property
|
|
def app_count(self):
|
|
return db.session.query(func.count(AppDatasetJoin.id)).filter(AppDatasetJoin.dataset_id == self.id).scalar()
|
|
|
|
@property
|
|
def document_count(self):
|
|
return db.session.query(func.count(Document.id)).filter(Document.dataset_id == self.id).scalar()
|
|
|
|
@property
|
|
def available_document_count(self):
|
|
return db.session.query(func.count(Document.id)).filter(
|
|
Document.dataset_id == self.id,
|
|
Document.indexing_status == 'completed',
|
|
Document.enabled == True,
|
|
Document.archived == False
|
|
).scalar()
|
|
|
|
@property
|
|
def available_segment_count(self):
|
|
return db.session.query(func.count(DocumentSegment.id)).filter(
|
|
DocumentSegment.dataset_id == self.id,
|
|
DocumentSegment.status == 'completed',
|
|
DocumentSegment.enabled == True
|
|
).scalar()
|
|
|
|
@property
|
|
def word_count(self):
|
|
return Document.query.with_entities(func.coalesce(func.sum(Document.word_count))) \
|
|
.filter(Document.dataset_id == self.id).scalar()
|
|
|
|
@property
|
|
def retrieval_model_dict(self):
|
|
default_retrieval_model = {
|
|
'search_method': 'semantic_search',
|
|
'reranking_enable': False,
|
|
'reranking_model': {
|
|
'reranking_provider_name': '',
|
|
'reranking_model_name': ''
|
|
},
|
|
'top_k': 2,
|
|
'score_threshold_enabled': False
|
|
}
|
|
return self.retrieval_model if self.retrieval_model else default_retrieval_model
|
|
|
|
|
|
class DatasetProcessRule(db.Model):
|
|
__tablename__ = 'dataset_process_rules'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='dataset_process_rule_pkey'),
|
|
db.Index('dataset_process_rule_dataset_id_idx', 'dataset_id'),
|
|
)
|
|
|
|
id = db.Column(UUID, nullable=False,
|
|
server_default=db.text('uuid_generate_v4()'))
|
|
dataset_id = db.Column(UUID, nullable=False)
|
|
mode = db.Column(db.String(255), nullable=False,
|
|
server_default=db.text("'automatic'::character varying"))
|
|
rules = db.Column(db.Text, nullable=True)
|
|
created_by = db.Column(UUID, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
|
|
MODES = ['automatic', 'custom']
|
|
PRE_PROCESSING_RULES = ['remove_stopwords', 'remove_extra_spaces', 'remove_urls_emails']
|
|
AUTOMATIC_RULES = {
|
|
'pre_processing_rules': [
|
|
{'id': 'remove_extra_spaces', 'enabled': True},
|
|
{'id': 'remove_urls_emails', 'enabled': False}
|
|
],
|
|
'segmentation': {
|
|
'delimiter': '\n',
|
|
'max_tokens': 1000
|
|
}
|
|
}
|
|
|
|
def to_dict(self):
|
|
return {
|
|
'id': self.id,
|
|
'dataset_id': self.dataset_id,
|
|
'mode': self.mode,
|
|
'rules': self.rules_dict,
|
|
'created_by': self.created_by,
|
|
'created_at': self.created_at,
|
|
}
|
|
|
|
@property
|
|
def rules_dict(self):
|
|
try:
|
|
return json.loads(self.rules) if self.rules else None
|
|
except JSONDecodeError:
|
|
return None
|
|
|
|
|
|
class Document(db.Model):
|
|
__tablename__ = 'documents'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='document_pkey'),
|
|
db.Index('document_dataset_id_idx', 'dataset_id'),
|
|
db.Index('document_is_paused_idx', 'is_paused'),
|
|
)
|
|
|
|
# initial fields
|
|
id = db.Column(UUID, nullable=False,
|
|
server_default=db.text('uuid_generate_v4()'))
|
|
tenant_id = db.Column(UUID, nullable=False)
|
|
dataset_id = db.Column(UUID, nullable=False)
|
|
position = db.Column(db.Integer, nullable=False)
|
|
data_source_type = db.Column(db.String(255), nullable=False)
|
|
data_source_info = db.Column(db.Text, nullable=True)
|
|
dataset_process_rule_id = db.Column(UUID, nullable=True)
|
|
batch = db.Column(db.String(255), nullable=False)
|
|
name = db.Column(db.String(255), nullable=False)
|
|
created_from = db.Column(db.String(255), nullable=False)
|
|
created_by = db.Column(UUID, nullable=False)
|
|
created_api_request_id = db.Column(UUID, nullable=True)
|
|
created_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
|
|
# start processing
|
|
processing_started_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# parsing
|
|
file_id = db.Column(db.Text, nullable=True)
|
|
word_count = db.Column(db.Integer, nullable=True)
|
|
parsing_completed_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# cleaning
|
|
cleaning_completed_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# split
|
|
splitting_completed_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# indexing
|
|
tokens = db.Column(db.Integer, nullable=True)
|
|
indexing_latency = db.Column(db.Float, nullable=True)
|
|
completed_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# pause
|
|
is_paused = db.Column(db.Boolean, nullable=True, server_default=db.text('false'))
|
|
paused_by = db.Column(UUID, nullable=True)
|
|
paused_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# error
|
|
error = db.Column(db.Text, nullable=True)
|
|
stopped_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
# basic fields
|
|
indexing_status = db.Column(db.String(
|
|
255), nullable=False, server_default=db.text("'waiting'::character varying"))
|
|
enabled = db.Column(db.Boolean, nullable=False,
|
|
server_default=db.text('true'))
|
|
disabled_at = db.Column(db.DateTime, nullable=True)
|
|
disabled_by = db.Column(UUID, nullable=True)
|
|
archived = db.Column(db.Boolean, nullable=False,
|
|
server_default=db.text('false'))
|
|
archived_reason = db.Column(db.String(255), nullable=True)
|
|
archived_by = db.Column(UUID, nullable=True)
|
|
archived_at = db.Column(db.DateTime, nullable=True)
|
|
updated_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
doc_type = db.Column(db.String(40), nullable=True)
|
|
doc_metadata = db.Column(db.JSON, nullable=True)
|
|
doc_form = db.Column(db.String(
|
|
255), nullable=False, server_default=db.text("'text_model'::character varying"))
|
|
doc_language = db.Column(db.String(255), nullable=True)
|
|
|
|
DATA_SOURCES = ['upload_file', 'notion_import']
|
|
|
|
@property
|
|
def display_status(self):
|
|
status = None
|
|
if self.indexing_status == 'waiting':
|
|
status = 'queuing'
|
|
elif self.indexing_status not in ['completed', 'error', 'waiting'] and self.is_paused:
|
|
status = 'paused'
|
|
elif self.indexing_status in ['parsing', 'cleaning', 'splitting', 'indexing']:
|
|
status = 'indexing'
|
|
elif self.indexing_status == 'error':
|
|
status = 'error'
|
|
elif self.indexing_status == 'completed' and not self.archived and self.enabled:
|
|
status = 'available'
|
|
elif self.indexing_status == 'completed' and not self.archived and not self.enabled:
|
|
status = 'disabled'
|
|
elif self.indexing_status == 'completed' and self.archived:
|
|
status = 'archived'
|
|
return status
|
|
|
|
@property
|
|
def data_source_info_dict(self):
|
|
if self.data_source_info:
|
|
try:
|
|
data_source_info_dict = json.loads(self.data_source_info)
|
|
except JSONDecodeError:
|
|
data_source_info_dict = {}
|
|
|
|
return data_source_info_dict
|
|
return None
|
|
|
|
@property
|
|
def data_source_detail_dict(self):
|
|
if self.data_source_info:
|
|
if self.data_source_type == 'upload_file':
|
|
data_source_info_dict = json.loads(self.data_source_info)
|
|
file_detail = db.session.query(UploadFile). \
|
|
filter(UploadFile.id == data_source_info_dict['upload_file_id']). \
|
|
one_or_none()
|
|
if file_detail:
|
|
return {
|
|
'upload_file': {
|
|
'id': file_detail.id,
|
|
'name': file_detail.name,
|
|
'size': file_detail.size,
|
|
'extension': file_detail.extension,
|
|
'mime_type': file_detail.mime_type,
|
|
'created_by': file_detail.created_by,
|
|
'created_at': file_detail.created_at.timestamp()
|
|
}
|
|
}
|
|
elif self.data_source_type == 'notion_import':
|
|
return json.loads(self.data_source_info)
|
|
return {}
|
|
|
|
@property
|
|
def average_segment_length(self):
|
|
if self.word_count and self.word_count != 0 and self.segment_count and self.segment_count != 0:
|
|
return self.word_count // self.segment_count
|
|
return 0
|
|
|
|
@property
|
|
def dataset_process_rule(self):
|
|
if self.dataset_process_rule_id:
|
|
return DatasetProcessRule.query.get(self.dataset_process_rule_id)
|
|
return None
|
|
|
|
@property
|
|
def dataset(self):
|
|
return db.session.query(Dataset).filter(Dataset.id == self.dataset_id).one_or_none()
|
|
|
|
@property
|
|
def segment_count(self):
|
|
return DocumentSegment.query.filter(DocumentSegment.document_id == self.id).count()
|
|
|
|
@property
|
|
def hit_count(self):
|
|
return DocumentSegment.query.with_entities(func.coalesce(func.sum(DocumentSegment.hit_count))) \
|
|
.filter(DocumentSegment.document_id == self.id).scalar()
|
|
|
|
|
|
class DocumentSegment(db.Model):
|
|
__tablename__ = 'document_segments'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='document_segment_pkey'),
|
|
db.Index('document_segment_dataset_id_idx', 'dataset_id'),
|
|
db.Index('document_segment_document_id_idx', 'document_id'),
|
|
db.Index('document_segment_tenant_dataset_idx', 'dataset_id', 'tenant_id'),
|
|
db.Index('document_segment_tenant_document_idx', 'document_id', 'tenant_id'),
|
|
db.Index('document_segment_dataset_node_idx', 'dataset_id', 'index_node_id'),
|
|
)
|
|
|
|
# initial fields
|
|
id = db.Column(UUID, nullable=False,
|
|
server_default=db.text('uuid_generate_v4()'))
|
|
tenant_id = db.Column(UUID, nullable=False)
|
|
dataset_id = db.Column(UUID, nullable=False)
|
|
document_id = db.Column(UUID, nullable=False)
|
|
position = db.Column(db.Integer, nullable=False)
|
|
content = db.Column(db.Text, nullable=False)
|
|
answer = db.Column(db.Text, nullable=True)
|
|
word_count = db.Column(db.Integer, nullable=False)
|
|
tokens = db.Column(db.Integer, nullable=False)
|
|
|
|
# indexing fields
|
|
keywords = db.Column(db.JSON, nullable=True)
|
|
index_node_id = db.Column(db.String(255), nullable=True)
|
|
index_node_hash = db.Column(db.String(255), nullable=True)
|
|
|
|
# basic fields
|
|
hit_count = db.Column(db.Integer, nullable=False, default=0)
|
|
enabled = db.Column(db.Boolean, nullable=False,
|
|
server_default=db.text('true'))
|
|
disabled_at = db.Column(db.DateTime, nullable=True)
|
|
disabled_by = db.Column(UUID, nullable=True)
|
|
status = db.Column(db.String(255), nullable=False,
|
|
server_default=db.text("'waiting'::character varying"))
|
|
created_by = db.Column(UUID, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
updated_by = db.Column(UUID, nullable=True)
|
|
updated_at = db.Column(db.DateTime, nullable=False,
|
|
server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
indexing_at = db.Column(db.DateTime, nullable=True)
|
|
completed_at = db.Column(db.DateTime, nullable=True)
|
|
error = db.Column(db.Text, nullable=True)
|
|
stopped_at = db.Column(db.DateTime, nullable=True)
|
|
|
|
@property
|
|
def dataset(self):
|
|
return db.session.query(Dataset).filter(Dataset.id == self.dataset_id).first()
|
|
|
|
@property
|
|
def document(self):
|
|
return db.session.query(Document).filter(Document.id == self.document_id).first()
|
|
|
|
@property
|
|
def previous_segment(self):
|
|
return db.session.query(DocumentSegment).filter(
|
|
DocumentSegment.document_id == self.document_id,
|
|
DocumentSegment.position == self.position - 1
|
|
).first()
|
|
|
|
@property
|
|
def next_segment(self):
|
|
return db.session.query(DocumentSegment).filter(
|
|
DocumentSegment.document_id == self.document_id,
|
|
DocumentSegment.position == self.position + 1
|
|
).first()
|
|
|
|
|
|
class AppDatasetJoin(db.Model):
|
|
__tablename__ = 'app_dataset_joins'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='app_dataset_join_pkey'),
|
|
db.Index('app_dataset_join_app_dataset_idx', 'dataset_id', 'app_id'),
|
|
)
|
|
|
|
id = db.Column(UUID, primary_key=True, nullable=False, server_default=db.text('uuid_generate_v4()'))
|
|
app_id = db.Column(UUID, nullable=False)
|
|
dataset_id = db.Column(UUID, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False, server_default=db.func.current_timestamp())
|
|
|
|
@property
|
|
def app(self):
|
|
return App.query.get(self.app_id)
|
|
|
|
|
|
class DatasetQuery(db.Model):
|
|
__tablename__ = 'dataset_queries'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='dataset_query_pkey'),
|
|
db.Index('dataset_query_dataset_id_idx', 'dataset_id'),
|
|
)
|
|
|
|
id = db.Column(UUID, primary_key=True, nullable=False, server_default=db.text('uuid_generate_v4()'))
|
|
dataset_id = db.Column(UUID, nullable=False)
|
|
content = db.Column(db.Text, nullable=False)
|
|
source = db.Column(db.String(255), nullable=False)
|
|
source_app_id = db.Column(UUID, nullable=True)
|
|
created_by_role = db.Column(db.String, nullable=False)
|
|
created_by = db.Column(UUID, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False, server_default=db.func.current_timestamp())
|
|
|
|
|
|
class DatasetKeywordTable(db.Model):
|
|
__tablename__ = 'dataset_keyword_tables'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='dataset_keyword_table_pkey'),
|
|
db.Index('dataset_keyword_table_dataset_id_idx', 'dataset_id'),
|
|
)
|
|
|
|
id = db.Column(UUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
|
|
dataset_id = db.Column(UUID, nullable=False, unique=True)
|
|
keyword_table = db.Column(db.Text, nullable=False)
|
|
|
|
@property
|
|
def keyword_table_dict(self):
|
|
class SetDecoder(json.JSONDecoder):
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(object_hook=self.object_hook, *args, **kwargs)
|
|
|
|
def object_hook(self, dct):
|
|
if isinstance(dct, dict):
|
|
for keyword, node_idxs in dct.items():
|
|
if isinstance(node_idxs, list):
|
|
dct[keyword] = set(node_idxs)
|
|
return dct
|
|
|
|
return json.loads(self.keyword_table, cls=SetDecoder) if self.keyword_table else None
|
|
|
|
|
|
class Embedding(db.Model):
|
|
__tablename__ = 'embeddings'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='embedding_pkey'),
|
|
db.UniqueConstraint('model_name', 'hash', name='embedding_hash_idx')
|
|
)
|
|
|
|
id = db.Column(UUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
|
|
model_name = db.Column(db.String(40), nullable=False,
|
|
server_default=db.text("'text-embedding-ada-002'::character varying"))
|
|
hash = db.Column(db.String(64), nullable=False)
|
|
embedding = db.Column(db.LargeBinary, nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False, server_default=db.text('CURRENT_TIMESTAMP(0)'))
|
|
|
|
def set_embedding(self, embedding_data: list[float]):
|
|
self.embedding = pickle.dumps(embedding_data, protocol=pickle.HIGHEST_PROTOCOL)
|
|
|
|
def get_embedding(self) -> list[float]:
|
|
return pickle.loads(self.embedding)
|
|
|
|
|
|
class DatasetCollectionBinding(db.Model):
|
|
__tablename__ = 'dataset_collection_bindings'
|
|
__table_args__ = (
|
|
db.PrimaryKeyConstraint('id', name='dataset_collection_bindings_pkey'),
|
|
db.Index('provider_model_name_idx', 'provider_name', 'model_name')
|
|
|
|
)
|
|
|
|
id = db.Column(UUID, primary_key=True, server_default=db.text('uuid_generate_v4()'))
|
|
provider_name = db.Column(db.String(40), nullable=False)
|
|
model_name = db.Column(db.String(40), nullable=False)
|
|
type = db.Column(db.String(40), server_default=db.text("'dataset'::character varying"), nullable=False)
|
|
collection_name = db.Column(db.String(64), nullable=False)
|
|
created_at = db.Column(db.DateTime, nullable=False, server_default=db.text('CURRENT_TIMESTAMP(0)'))
|