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Emanuel Ferreira authoredEmanuel Ferreira authored
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subquestion.ts 762 B
import {
Document,
QueryEngineTool,
SubQuestionQueryEngine,
VectorStoreIndex,
} from "llamaindex";
import essay from "./essay";
(async () => {
const document = new Document({ text: essay, id_: essay });
const index = await VectorStoreIndex.fromDocuments([document]);
const queryEngineTools = [
new QueryEngineTool({
queryEngine: index.asQueryEngine(),
metadata: {
name: "pg_essay",
description: "Paul Graham essay on What I Worked On",
},
}),
];
const queryEngine = SubQuestionQueryEngine.fromDefaults({
queryEngineTools,
});
const response = await queryEngine.query({
query: "How was Paul Grahams life different before and after YC?",
});
console.log(response.toString());
})();