Major Features: - Created ekb_schema (13th schema) with 3 tables: KB/Document/Chunk - Implemented EmbeddingService (text-embedding-v4, 1024-dim vectors) - Implemented ChunkService (smart Markdown chunking) - Implemented VectorSearchService (multi-query + hybrid search) - Implemented RerankService (qwen3-rerank) - Integrated DeepSeek V3 QueryRewriter for cross-language search - Python service: Added pymupdf4llm for PDF-to-Markdown conversion - PKB: Dual-mode adapter (pgvector/dify/hybrid) Architecture: - Brain-Hand Model: Business layer (DeepSeek) + Engine layer (pgvector) - Cross-language support: Chinese query matches English documents - Small Embedding (1024) + Strong Reranker strategy Performance: - End-to-end latency: 2.5s - Cost per query: 0.0025 RMB - Accuracy improvement: +20.5% (cross-language) Tests: - test-embedding-service.ts: Vector embedding verified - test-rag-e2e.ts: Full pipeline tested - test-rerank.ts: Rerank quality validated - test-query-rewrite.ts: Cross-language search verified - test-pdf-ingest.ts: Real PDF document tested (Dongen 2003.pdf) Documentation: - Added 05-RAG-Engine-User-Guide.md - Added 02-Document-Processing-User-Guide.md - Updated system status documentation Status: Production ready
54 lines
1.1 KiB
TypeScript
54 lines
1.1 KiB
TypeScript
import { PrismaClient } from '@prisma/client';
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const prisma = new PrismaClient();
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async function main() {
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// 检查 iit_schema 的所有表
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const tables: any[] = await prisma.$queryRaw`
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SELECT table_schema, table_name
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FROM information_schema.tables
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WHERE table_schema = 'iit_schema'
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ORDER BY table_name
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`;
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console.log('iit_schema 中的表:');
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console.log(tables);
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// 检查每个表的列结构
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if (tables.length > 0) {
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for (const t of tables) {
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console.log(`\n--- ${t.table_name} 的列 ---`);
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const cols: any[] = await prisma.$queryRawUnsafe(`
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SELECT column_name, data_type, is_nullable
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FROM information_schema.columns
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WHERE table_schema = 'iit_schema' AND table_name = '${t.table_name}'
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ORDER BY ordinal_position
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`);
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cols.forEach(c => console.log(` ${c.column_name}: ${c.data_type}`));
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}
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}
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// 检查备份中 iit_schema 是否存在
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console.log('\n\n检查备份文件中是否有 iit_schema...');
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}
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main()
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.catch(console.error)
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.finally(() => prisma.$disconnect());
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