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query.go
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/
query.go
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package main
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/service/bedrockruntime"
"github.com/tmc/langchaingo/chains"
"github.com/tmc/langchaingo/llms/bedrock"
"github.com/tmc/langchaingo/vectorstores"
)
func ragSearch(question string, numOfResults int) error {
store, err := getVectorStore()
if err != nil {
return err
}
cfg, err := config.LoadDefaultConfig(context.Background())
if err != nil {
return err
}
brc := bedrockruntime.NewFromConfig(cfg)
llm, err := bedrock.New(bedrock.WithClient(brc), bedrock.WithModel(bedrock.ModelAnthropicClaudeV3Sonnet))
//llm.CallbacksHandler = callbacks.LogHandler{}
if err != nil {
return err
}
result, err := chains.Run(
context.Background(),
chains.NewRetrievalQAFromLLM(
llm,
vectorstores.ToRetriever(store, numOfResults),
),
question,
chains.WithMaxTokens(2048),
)
if err != nil {
return err
}
fmt.Println("====final answer====\n", result)
return nil
}
func semanticSearch(searchQuery string, maxResults int) error {
store, err := getVectorStore()
if err != nil {
return err
}
searchResults, err := store.SimilaritySearch(context.Background(), searchQuery, maxResults)
if err != nil {
return err
}
fmt.Println("============== similarity search results ==============")
for _, doc := range searchResults {
fmt.Println("similarity search info -", doc.PageContent)
fmt.Println("similarity search score -", doc.Score)
fmt.Println("============================")
}
return nil
}