apskel-pos-backend/migrations/000052_create_game_prizes_table.up.sql
2025-09-17 19:30:17 +07:00

46 lines
1.5 KiB
SQL

CREATE TABLE game_prizes (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
game_id UUID NOT NULL,
name VARCHAR(255) NOT NULL,
weight INTEGER NOT NULL,
stock INTEGER DEFAULT 0,
max_stock INTEGER,
threshold BIGINT,
fallback_prize_id UUID,
metadata JSONB DEFAULT '{}',
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
CONSTRAINT fk_game_prizes_game
FOREIGN KEY (game_id)
REFERENCES games(id)
ON DELETE CASCADE,
CONSTRAINT fk_game_prizes_fallback
FOREIGN KEY (fallback_prize_id)
REFERENCES game_prizes(id)
ON DELETE SET NULL,
CONSTRAINT chk_game_prizes_weight_positive
CHECK (weight > 0),
CONSTRAINT chk_game_prizes_stock_non_negative
CHECK (stock >= 0),
CONSTRAINT chk_game_prizes_max_stock_positive
CHECK (max_stock IS NULL OR max_stock > 0),
CONSTRAINT chk_game_prizes_threshold_non_negative
CHECK (threshold IS NULL OR threshold >= 0),
CONSTRAINT chk_game_prizes_stock_not_exceed_max
CHECK (max_stock IS NULL OR stock <= max_stock)
);
-- Create indexes
CREATE INDEX idx_game_prizes_game_id ON game_prizes(game_id);
CREATE INDEX idx_game_prizes_weight ON game_prizes(weight);
CREATE INDEX idx_game_prizes_stock ON game_prizes(stock);
CREATE INDEX idx_game_prizes_fallback_prize_id ON game_prizes(fallback_prize_id);
CREATE INDEX idx_game_prizes_created_at ON game_prizes(created_at);