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from sqlalchemy import (
create_engine,
MetaData,
Table,
Column,
String,
Integer,
Float,
insert,
)
# Initialize in-memory SQLite database
engine = create_engine("sqlite:///:memory:")
metadata_obj = MetaData()
# Define 'receipts' table
receipts = Table(
"receipts",
metadata_obj,
Column("receipt_id", Integer, primary_key=True),
Column("customer_name", String(16), primary_key=True),
Column("price", Float),
Column("tip", Float),
)
# Create the table
metadata_obj.create_all(engine)
# Function to insert rows into the table
def insert_rows_into_table(rows, table):
with engine.begin() as connection:
connection.execute(insert(table), rows)
# Insert sample data
rows = [
{"receipt_id": 1, "customer_name": "Alan Payne", "price": 12.06, "tip": 1.20},
{"receipt_id": 2, "customer_name": "Alex Mason", "price": 23.86, "tip": 0.24},
{"receipt_id": 3, "customer_name": "Woodrow Wilson", "price": 53.43, "tip": 5.43},
{"receipt_id": 4, "customer_name": "Margaret James", "price": 21.11, "tip": 1.00},
]
# Populate the database
insert_rows_into_table(rows, receipts)
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