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ed17997449
* test: migrate join tests Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * chore: update test results after rebasing main branch Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: unstable query sort results and natural_join test Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: count(*) with joining Signed-off-by: Dennis Zhuang <killme2008@gmail.com> * fix: unstable query sort results and style Signed-off-by: Dennis Zhuang <killme2008@gmail.com> --------- Signed-off-by: Dennis Zhuang <killme2008@gmail.com>
88 lines
2.7 KiB
SQL
88 lines
2.7 KiB
SQL
-- Migrated from DuckDB test: test/sql/join/inner/ advanced tests
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-- Tests advanced inner join patterns
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CREATE TABLE customers(cust_id INTEGER, cust_name VARCHAR, city VARCHAR, ts TIMESTAMP TIME INDEX);
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CREATE TABLE orders(order_id INTEGER, cust_id INTEGER, order_date DATE, amount DOUBLE, ts TIMESTAMP TIME INDEX);
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CREATE TABLE order_items(item_id INTEGER, order_id INTEGER, product VARCHAR, quantity INTEGER, price DOUBLE, ts TIMESTAMP TIME INDEX);
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INSERT INTO customers VALUES
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(1, 'John', 'NYC', 1000), (2, 'Jane', 'LA', 2000), (3, 'Bob', 'Chicago', 3000), (4, 'Alice', 'NYC', 4000);
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INSERT INTO orders VALUES
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(101, 1, '2023-01-01', 250.00, 1000), (102, 2, '2023-01-02', 180.00, 2000),
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(103, 1, '2023-01-03', 420.00, 3000), (104, 3, '2023-01-04', 95.00, 4000),
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(105, 4, '2023-01-05', 310.00, 5000);
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INSERT INTO order_items VALUES
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(1, 101, 'Widget', 2, 125.00, 1000), (2, 101, 'Gadget', 1, 0.00, 2000),
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(3, 102, 'Tool', 3, 60.00, 3000), (4, 103, 'Device', 1, 420.00, 4000),
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(5, 104, 'Part', 5, 19.00, 5000), (6, 105, 'Component', 2, 155.00, 6000);
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-- Multi-table inner join
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SELECT
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c.cust_name, c.city, o.order_id, o.order_date, o.amount
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FROM customers c
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INNER JOIN orders o ON c.cust_id = o.cust_id
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ORDER BY o.order_date, c.cust_name;
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-- Three-way inner join
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SELECT
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c.cust_name, o.order_id, oi.product, oi.quantity, oi.price
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FROM customers c
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INNER JOIN orders o ON c.cust_id = o.cust_id
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INNER JOIN order_items oi ON o.order_id = oi.order_id
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ORDER BY c.cust_name, o.order_id, oi.product;
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-- Inner join with complex conditions
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SELECT
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c.cust_name, o.order_id, o.amount
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FROM customers c
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INNER JOIN orders o ON c.cust_id = o.cust_id AND o.amount > 200.00
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ORDER BY o.amount DESC;
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-- Inner join with aggregation
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SELECT
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c.city,
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COUNT(o.order_id) as total_orders,
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SUM(o.amount) as total_amount,
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AVG(o.amount) as avg_order_amount
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FROM customers c
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INNER JOIN orders o ON c.cust_id = o.cust_id
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GROUP BY c.city
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ORDER BY total_amount DESC;
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-- Self join
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SELECT
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o1.order_id as order1, o2.order_id as order2, o1.amount, o2.amount
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FROM orders o1
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INNER JOIN orders o2 ON o1.cust_id = o2.cust_id AND o1.order_id < o2.order_id
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ORDER BY o1.order_id, o2.order_id;
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-- Join with subquery
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SELECT
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c.cust_name, high_orders.total_amount
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FROM customers c
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INNER JOIN (
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SELECT cust_id, SUM(amount) as total_amount
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FROM orders
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GROUP BY cust_id
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HAVING SUM(amount) > 300
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) high_orders ON c.cust_id = high_orders.cust_id
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ORDER BY high_orders.total_amount DESC;
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-- Join with window functions
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SELECT
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c.cust_name,
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o.order_id,
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o.amount,
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ROW_NUMBER() OVER (PARTITION BY c.cust_id ORDER BY o.order_date) as order_sequence
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FROM customers c
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INNER JOIN orders o ON c.cust_id = o.cust_id
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ORDER BY c.cust_name, order_sequence;
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DROP TABLE customers;
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DROP TABLE orders;
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DROP TABLE order_items;
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