Preparar repositorio para despliegue: código fuente limpio
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init-db/21-search-history.sql
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27
init-db/21-search-history.sql
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-- Tabla de historial de búsquedas
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-- Registra todas las búsquedas realizadas por usuarios autenticados
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CREATE TABLE IF NOT EXISTS search_history (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL REFERENCES usuarios(id) ON DELETE CASCADE,
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query TEXT NOT NULL,
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results_count INTEGER DEFAULT 0,
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searched_at TIMESTAMP DEFAULT NOW(),
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CONSTRAINT query_not_empty CHECK (LENGTH(TRIM(query)) > 0)
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);
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-- Índices para queries eficientes
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CREATE INDEX IF NOT EXISTS idx_search_history_user_date
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ON search_history(user_id, searched_at DESC);
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CREATE INDEX IF NOT EXISTS idx_search_history_user_id
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ON search_history(user_id);
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-- Índice para buscar búsquedas populares
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CREATE INDEX IF NOT EXISTS idx_search_history_query
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ON search_history(query);
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-- Comentarios
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COMMENT ON TABLE search_history IS 'Historial de búsquedas de usuarios';
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COMMENT ON COLUMN search_history.user_id IS 'Usuario que realizó la búsqueda';
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COMMENT ON COLUMN search_history.query IS 'Término de búsqueda';
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COMMENT ON COLUMN search_history.results_count IS 'Cantidad de resultados encontrados';
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