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Te amo
2026-03-12 15:17:52 +07:00
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commit e7821a7a9d
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.brain/.agent/skills/engineering-advanced-skills/database-designer/assets/sample_schema.json Normal file
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{
"tables": {
"users": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 50000
},
"email": {
"type": "VARCHAR(255)",
"nullable": false,
"unique": true,
"cardinality_estimate": 50000
},
"username": {
"type": "VARCHAR(50)",
"nullable": false,
"unique": true,
"cardinality_estimate": 50000
},
"password_hash": {
"type": "VARCHAR(255)",
"nullable": false,
"cardinality_estimate": 50000
},
"first_name": {
"type": "VARCHAR(100)",
"nullable": true,
"cardinality_estimate": 25000
},
"last_name": {
"type": "VARCHAR(100)",
"nullable": true,
"cardinality_estimate": 30000
},
"status": {
"type": "VARCHAR(20)",
"nullable": false,
"default": "active",
"cardinality_estimate": 5
},
"created_at": {
"type": "TIMESTAMP",
"nullable": false,
"default": "CURRENT_TIMESTAMP"
}
},
"primary_key": ["id"],
"unique_constraints": [
["email"],
["username"]
],
"check_constraints": {
"chk_status_valid": "status IN ('active', 'inactive', 'suspended', 'deleted')"
},
"indexes": [
{
"name": "idx_users_email",
"columns": ["email"],
"unique": true
},
{
"name": "idx_users_status",
"columns": ["status"]
}
]
},
"products": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 10000
},
"name": {
"type": "VARCHAR(255)",
"nullable": false,
"cardinality_estimate": 9500
},
"sku": {
"type": "VARCHAR(50)",
"nullable": false,
"unique": true,
"cardinality_estimate": 10000
},
"price": {
"type": "DECIMAL(10,2)",
"nullable": false,
"cardinality_estimate": 5000
},
"category_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "categories.id",
"cardinality_estimate": 50
},
"brand": {
"type": "VARCHAR(100)",
"nullable": true,
"cardinality_estimate": 200
},
"is_active": {
"type": "BOOLEAN",
"nullable": false,
"default": true,
"cardinality_estimate": 2
},
"inventory_count": {
"type": "INTEGER",
"nullable": false,
"default": 0,
"cardinality_estimate": 1000
},
"created_at": {
"type": "TIMESTAMP",
"nullable": false,
"default": "CURRENT_TIMESTAMP"
}
},
"primary_key": ["id"],
"unique_constraints": [
["sku"]
],
"check_constraints": {
"chk_price_positive": "price > 0",
"chk_inventory_non_negative": "inventory_count >= 0"
},
"indexes": [
{
"name": "idx_products_category",
"columns": ["category_id"]
},
{
"name": "idx_products_brand",
"columns": ["brand"]
},
{
"name": "idx_products_price",
"columns": ["price"]
},
{
"name": "idx_products_active_category",
"columns": ["is_active", "category_id"],
"partial_condition": "is_active = true"
}
]
},
"orders": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 200000
},
"order_number": {
"type": "VARCHAR(50)",
"nullable": false,
"unique": true,
"cardinality_estimate": 200000
},
"user_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "users.id",
"cardinality_estimate": 40000
},
"status": {
"type": "VARCHAR(50)",
"nullable": false,
"default": "pending",
"cardinality_estimate": 8
},
"total_amount": {
"type": "DECIMAL(10,2)",
"nullable": false,
"cardinality_estimate": 50000
},
"payment_method": {
"type": "VARCHAR(50)",
"nullable": true,
"cardinality_estimate": 10
},
"created_at": {
"type": "TIMESTAMP",
"nullable": false,
"default": "CURRENT_TIMESTAMP"
},
"shipped_at": {
"type": "TIMESTAMP",
"nullable": true
}
},
"primary_key": ["id"],
"unique_constraints": [
["order_number"]
],
"check_constraints": {
"chk_total_positive": "total_amount > 0",
"chk_status_valid": "status IN ('pending', 'processing', 'shipped', 'delivered', 'cancelled')"
},
"indexes": [
{
"name": "idx_orders_user",
"columns": ["user_id"]
},
{
"name": "idx_orders_status",
"columns": ["status"]
},
{
"name": "idx_orders_created",
"columns": ["created_at"]
},
{
"name": "idx_orders_user_status",
"columns": ["user_id", "status"]
}
]
},
"order_items": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 800000
},
"order_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "orders.id",
"cardinality_estimate": 200000
},
"product_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "products.id",
"cardinality_estimate": 8000
},
"quantity": {
"type": "INTEGER",
"nullable": false,
"cardinality_estimate": 20
},
"unit_price": {
"type": "DECIMAL(10,2)",
"nullable": false,
"cardinality_estimate": 5000
},
"total_price": {
"type": "DECIMAL(10,2)",
"nullable": false,
"cardinality_estimate": 10000
}
},
"primary_key": ["id"],
"check_constraints": {
"chk_quantity_positive": "quantity > 0",
"chk_unit_price_positive": "unit_price > 0"
},
"indexes": [
{
"name": "idx_order_items_order",
"columns": ["order_id"]
},
{
"name": "idx_order_items_product",
"columns": ["product_id"]
}
]
},
"categories": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 100
},
"name": {
"type": "VARCHAR(100)",
"nullable": false,
"cardinality_estimate": 100
},
"parent_id": {
"type": "INTEGER",
"nullable": true,
"foreign_key": "categories.id",
"cardinality_estimate": 20
},
"is_active": {
"type": "BOOLEAN",
"nullable": false,
"default": true,
"cardinality_estimate": 2
}
},
"primary_key": ["id"],
"indexes": [
{
"name": "idx_categories_parent",
"columns": ["parent_id"]
},
{
"name": "idx_categories_active",
"columns": ["is_active"]
}
]
},
"product_reviews": {
"columns": {
"id": {
"type": "INTEGER",
"nullable": false,
"unique": true,
"cardinality_estimate": 150000
},
"product_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "products.id",
"cardinality_estimate": 8000
},
"user_id": {
"type": "INTEGER",
"nullable": false,
"foreign_key": "users.id",
"cardinality_estimate": 30000
},
"rating": {
"type": "INTEGER",
"nullable": false,
"cardinality_estimate": 5
},
"review_text": {
"type": "TEXT",
"nullable": true
},
"created_at": {
"type": "TIMESTAMP",
"nullable": false,
"default": "CURRENT_TIMESTAMP"
}
},
"primary_key": ["id"],
"unique_constraints": [
["product_id", "user_id"]
],
"check_constraints": {
"chk_rating_valid": "rating BETWEEN 1 AND 5"
},
"indexes": [
{
"name": "idx_reviews_product",
"columns": ["product_id"]
},
{
"name": "idx_reviews_user",
"columns": ["user_id"]
},
{
"name": "idx_reviews_rating",
"columns": ["rating"]
}
]
}
}
}