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已在 prod 執行: idx_rag_chunks_embedding (lists=100, cosine) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
15 lines
418 B
SQL
15 lines
418 B
SQL
-- Phase 35: RAG ivfflat 向量索引
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-- 前提: rag_chunks 已有 2582+ chunks
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-- 執行: psql awoooi_prod
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-- 2026-04-10 Claude Sonnet 4.6 Asia/Taipei
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CREATE INDEX IF NOT EXISTS idx_rag_chunks_embedding
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ON rag_chunks
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USING ivfflat (embedding vector_cosine_ops)
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WITH (lists = 100);
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-- 驗證
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SELECT indexname, indexdef
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FROM pg_indexes
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WHERE tablename = 'rag_chunks' AND indexname = 'idx_rag_chunks_embedding';
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