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45e77e9a9c
DDL schemas for Trading Platform: - User management - Authentication - Payments - Education - ML predictions - Trading data Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
75 lines
2.8 KiB
SQL
75 lines
2.8 KiB
SQL
-- =====================================================
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-- TABLE: education.courses
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-- =====================================================
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-- Proyecto: OrbiQuant IA (Trading Platform)
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-- Módulo: OQI-002 - Education
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-- Especificación: ET-EDU-001-database.md
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-- =====================================================
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CREATE TABLE education.courses (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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-- Información básica
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title VARCHAR(200) NOT NULL,
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slug VARCHAR(200) NOT NULL UNIQUE,
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short_description VARCHAR(500),
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full_description TEXT,
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-- Categorización
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category_id UUID NOT NULL REFERENCES education.categories(id) ON DELETE RESTRICT,
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difficulty_level education.difficulty_level NOT NULL DEFAULT 'beginner',
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-- Contenido
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thumbnail_url VARCHAR(500),
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trailer_url VARCHAR(500), -- Video de presentación
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-- Metadata educativa
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duration_minutes INTEGER, -- Duración estimada total
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prerequisites TEXT[], -- IDs de cursos prerequisitos
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learning_objectives TEXT[], -- Array de objetivos
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-- Instructor
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instructor_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE RESTRICT,
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instructor_name VARCHAR(200), -- Denormalizado para performance
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-- Pricing (para futuras features)
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is_free BOOLEAN DEFAULT true,
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price_usd DECIMAL(10,2),
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-- Gamificación
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xp_reward INTEGER DEFAULT 0, -- XP al completar el curso
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-- Estado
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status education.course_status DEFAULT 'draft',
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published_at TIMESTAMPTZ,
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-- Estadísticas (denormalizadas)
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total_modules INTEGER DEFAULT 0,
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total_lessons INTEGER DEFAULT 0,
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total_enrollments INTEGER DEFAULT 0,
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avg_rating DECIMAL(3,2) DEFAULT 0.00,
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total_reviews INTEGER DEFAULT 0,
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-- Metadata
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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CONSTRAINT valid_rating CHECK (avg_rating >= 0 AND avg_rating <= 5),
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CONSTRAINT valid_price CHECK (price_usd >= 0)
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);
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-- Índices
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CREATE INDEX idx_courses_category ON education.courses(category_id);
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CREATE INDEX idx_courses_slug ON education.courses(slug);
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CREATE INDEX idx_courses_status ON education.courses(status);
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CREATE INDEX idx_courses_difficulty ON education.courses(difficulty_level);
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CREATE INDEX idx_courses_instructor ON education.courses(instructor_id);
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CREATE INDEX idx_courses_published ON education.courses(published_at) WHERE status = 'published';
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-- Comentarios
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COMMENT ON TABLE education.courses IS 'Cursos del módulo educativo';
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COMMENT ON COLUMN education.courses.instructor_name IS 'Denormalizado para performance en queries';
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COMMENT ON COLUMN education.courses.prerequisites IS 'Array de UUIDs de cursos prerequisitos';
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COMMENT ON COLUMN education.courses.learning_objectives IS 'Array de objetivos de aprendizaje';
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COMMENT ON COLUMN education.courses.xp_reward IS 'XP otorgado al completar el curso';
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