c651fe5a30
ST-1.1: financial.refunds - Already exists with approval flow ST-1.2: education.instructors - Created with GIN indexes ST-1.3: trading.price_alerts - FK exists, idempotent migration added ST-1.4: ml.prediction_overlays - New table + overlay columns New files: - ddl/schemas/education/tables/17-instructors.sql - ddl/schemas/ml/tables/12-prediction_overlays.sql - migrations/2026-02-03_add_predictions_overlay.sql - migrations/2026-02-03_add_price_alerts_symbol_fk.sql Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
63 lines
2.4 KiB
SQL
63 lines
2.4 KiB
SQL
-- ============================================================================
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-- Schema: trading
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-- Table: price_alerts
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-- Description: Alertas de precio configuradas por usuarios
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-- Gap: GAP-DDL-003 (RESOLVED - ST-1.3)
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-- Created: 2026-02-03
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-- Migration: migrations/2026-02-03_add_price_alerts_symbol_fk.sql
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-- ============================================================================
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CREATE TABLE trading.price_alerts (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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-- Relaciones
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user_id UUID NOT NULL REFERENCES auth.users(id) ON DELETE CASCADE,
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symbol_id UUID NOT NULL REFERENCES trading.symbols(id) ON DELETE CASCADE,
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-- Configuracion de alerta
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condition VARCHAR(10) NOT NULL CHECK (condition IN ('above', 'below', 'crosses')),
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target_price DECIMAL(20,8) NOT NULL CHECK (target_price > 0),
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-- Precio de referencia al crear
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reference_price DECIMAL(20,8),
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-- Estado
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is_active BOOLEAN DEFAULT true,
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is_recurring BOOLEAN DEFAULT false,
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-- Notificacion
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notification_type VARCHAR(20) DEFAULT 'push' CHECK (notification_type IN ('push', 'email', 'both')),
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notification_sent BOOLEAN DEFAULT false,
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-- Ejecucion
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triggered_at TIMESTAMPTZ,
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triggered_price DECIMAL(20,8),
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trigger_count INTEGER DEFAULT 0,
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-- Expiracion opcional
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expires_at TIMESTAMPTZ,
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-- Metadata
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notes VARCHAR(255),
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-- Timestamps
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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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);
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-- Indices
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CREATE INDEX idx_price_alerts_user ON trading.price_alerts(user_id);
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CREATE INDEX idx_price_alerts_symbol ON trading.price_alerts(symbol_id);
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CREATE INDEX idx_price_alerts_active ON trading.price_alerts(is_active, symbol_id)
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WHERE is_active = true;
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CREATE INDEX idx_price_alerts_expiry ON trading.price_alerts(expires_at)
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WHERE expires_at IS NOT NULL AND is_active = true;
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-- Comentarios
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COMMENT ON TABLE trading.price_alerts IS 'Alertas de precio configuradas por usuarios';
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COMMENT ON COLUMN trading.price_alerts.condition IS 'Condicion: above (>=), below (<=), crosses';
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COMMENT ON COLUMN trading.price_alerts.target_price IS 'Precio objetivo para disparar alerta';
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COMMENT ON COLUMN trading.price_alerts.is_recurring IS 'Si es true, se reactiva despues de disparar';
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COMMENT ON COLUMN trading.price_alerts.notification_type IS 'Tipo de notificacion: push, email, both';
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COMMENT ON COLUMN trading.price_alerts.triggered_at IS 'Timestamp de ultima vez que se disparo';
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