mirror of
https://github.com/infiniflow/ragflow.git
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90f46b0b4d
Ports doc-level auto-metadata extraction to Go and adds the knowledge_compiler component with scheduler/routing. Fixes Extractor metadata injection type assertion and enable_metadata default-on.
75 lines
2.9 KiB
Go
75 lines
2.9 KiB
Go
//
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// Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package knowledge_compile
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import (
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"context"
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kccommon "ragflow/internal/ingestion/component/knowledge_compiler/common"
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"ragflow/internal/ingestion/component/knowledge_compiler/structure"
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)
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// Deduper folds a set of per-document compiled Products into the dataset-level
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// merged set. The LLM-backed implementation reuses the component's
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// GroupedDeduper + LLMMergeDecider (§11.6).
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type Deduper interface {
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Dedup(ctx context.Context, rows []kccommon.Product) ([]kccommon.Product, error)
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}
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// DeduperFactory builds a per-tenant Deduper. It is invoked once per batch so
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// the LLM deps can be resolved for the owning tenant.
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type DeduperFactory func(tenant string) (Deduper, error)
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// llmDeduper wraps the component's GroupedDeduper (which internally uses
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// LLMMergeDecider for duplicate-judging), scoped to the whole KB batch.
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type llmDeduper struct {
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group *structure.GroupedDeduper
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decider *structure.LLMMergeDecider
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embed kccommon.Embedder
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}
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// NewLLMDeduper builds a KB-scoped deduper from the runtime chat/embed deps.
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func NewLLMDeduper(chat kccommon.ChatInvoker, embed kccommon.Embedder, llmID string, threshold float64) Deduper {
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decider := structure.NewLLMMergeDecider(chat, llmID, embed, threshold)
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return &llmDeduper{group: structure.NewGroupedDeduper(decider), decider: decider, embed: embed}
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}
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func (x *llmDeduper) Dedup(ctx context.Context, rows []kccommon.Product) ([]kccommon.Product, error) {
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for _, r := range rows {
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if err := x.group.Add(ctx, r); err != nil {
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return nil, err
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}
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}
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// Apply the aliases recorded by the LLM merge decider to relation endpoints
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// so merged entities collapse consistently with the per-document dedup path.
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if err := x.group.RewriteRelations(ctx, x.decider.Aliases(), x.embed); err != nil {
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return nil, err
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}
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return x.group.Rows(), nil
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}
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// noopDeduper performs no LLM merge; it returns the input rows unchanged so
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// the writer still emits dataset-level products (without cross-document merging).
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// Used as a safe fallback when LLM deps are unavailable.
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type noopDeduper struct{}
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func (noopDeduper) Dedup(_ context.Context, rows []kccommon.Product) ([]kccommon.Product, error) {
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return rows, nil
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}
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// NewNoopDeduper builds the fallback deduper.
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func NewNoopDeduper() Deduper { return noopDeduper{} }
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