45 lines
1.6 KiB
SQL
45 lines
1.6 KiB
SQL
CREATE TABLE IF NOT EXISTS traduccion_embeddings (
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id SERIAL PRIMARY KEY,
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traduccion_id INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
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model TEXT NOT NULL,
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dim INT NOT NULL,
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embedding DOUBLE PRECISION[] NOT NULL,
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created_at TIMESTAMP DEFAULT NOW(),
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UNIQUE (traduccion_id, model)
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);
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CREATE INDEX IF NOT EXISTS idx_tr_emb_traduccion_id ON traduccion_embeddings(traduccion_id);
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CREATE INDEX IF NOT EXISTS idx_tr_emb_model ON traduccion_embeddings(model);
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DO $$
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BEGIN
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IF EXISTS (
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SELECT 1 FROM information_schema.tables
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WHERE table_schema = 'public' AND table_name = 'embeddings'
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) THEN
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EXECUTE 'ALTER TABLE embeddings RENAME TO embeddings_legacy';
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END IF;
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EXCEPTION WHEN others THEN
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NULL;
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END$$;
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CREATE OR REPLACE VIEW embeddings AS
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SELECT
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te.traduccion_id,
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te.dim,
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te.embedding AS vec
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FROM traduccion_embeddings te
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WHERE te.model = 'sentence-transformers/paraphrase-multilingual-MiniLM-L12-v2';
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CREATE TABLE IF NOT EXISTS related_noticias (
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traduccion_id INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
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related_traduccion_id INT NOT NULL REFERENCES traducciones(id) ON DELETE CASCADE,
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score DOUBLE PRECISION NOT NULL,
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created_at TIMESTAMP DEFAULT NOW(),
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PRIMARY KEY (traduccion_id, related_traduccion_id),
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CHECK (traduccion_id <> related_traduccion_id)
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);
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CREATE INDEX IF NOT EXISTS idx_related_by_tr ON related_noticias (traduccion_id);
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CREATE INDEX IF NOT EXISTS idx_related_by_relatedtr ON related_noticias (related_traduccion_id);
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