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Dylan Huang
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add more tasks
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‎tests/chinook/dataset/task_2/ground_truth.md‎

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| name | level | hierarchy_path |
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| ---------------- | ----- | -------------------------------------------------- |
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| Andrew Adams | 0 | Andrew Adams |
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| Michael Mitchell | 1 | Andrew Adams -> Michael Mitchell |
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| Laura Callahan | 2 | Andrew Adams -> Michael Mitchell -> Laura Callahan |
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| Robert King | 2 | Andrew Adams -> Michael Mitchell -> Robert King |
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| Nancy Edwards | 1 | Andrew Adams -> Nancy Edwards |
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| Jane Peacock | 2 | Andrew Adams -> Nancy Edwards -> Jane Peacock |
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| Margaret Park | 2 | Andrew Adams -> Nancy Edwards -> Margaret Park |
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| Steve Johnson | 2 | Andrew Adams -> Nancy Edwards -> Steve Johnson |

‎tests/chinook/dataset/task_2/task.txt‎

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Find all employees and their reporting hierarchy levels using a recursive CTE. Show employee name, level, and the complete hierarchy path from top to bottom.

‎tests/chinook/dataset/task_3/ground_truth.md‎

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| artist_name | genre_count | longest_track_name_length | total_tracks | most_popular_track |
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| ------------- | ----------- | ------------------------- | ------------ | ------------------ |
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| Lenny Kravitz | 3 | 32 | 57 | Mr. Cab Driver |

‎tests/chinook/dataset/task_3/task.txt‎

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Find artists who have albums in multiple genres and their most popular track. Include genre count, longest track name, and total tracks. Only include artists who have at least one album with 'Greatest' in the title.

‎tests/chinook/dataset/task_4/ground_truth.md‎

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| month | day_of_week | unique_customers | total_invoices | average_order_value | total_revenue | day_over_day_growth_percentage |
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| ----- | ----------- | ---------------- | -------------- | ------------------- | ------------- | ------------------------------ |
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| 1 | Friday | 2 | 2 | 5.45 | 10.89 | null |
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| 1 | Monday | 7 | 7 | 6.22 | 43.57 | 300.09 |
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| 1 | Saturday | 4 | 4 | 4.21 | 16.83 | -61.37 |
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| 1 | Sunday | 4 | 4 | 3.47 | 13.86 | -17.65 |
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| 1 | Thursday | 3 | 3 | 10.92 | 32.76 | 136.36 |
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| 1 | Tuesday | 8 | 8 | 6.07 | 48.56 | 48.23 |
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| 1 | Wednesday | 6 | 6 | 5.78 | 34.65 | -28.64 |
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| 2 | Friday | 8 | 8 | 6.45 | 51.56 | null |
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| 2 | Monday | 3 | 3 | 4.29 | 12.87 | -75.04 |
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| 2 | Saturday | 5 | 5 | 6.34 | 31.69 | 146.23 |
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| 2 | Sunday | 2 | 2 | 8.91 | 17.82 | -43.77 |
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| 2 | Thursday | 7 | 7 | 6.08 | 42.57 | 138.89 |
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| 2 | Tuesday | 4 | 4 | 4.21 | 16.83 | -60.47 |
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| 2 | Wednesday | 4 | 4 | 3.47 | 13.86 | -17.65 |
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| 3 | Friday | 4 | 4 | 5.21 | 20.83 | null |
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| 3 | Monday | 8 | 8 | 5.70 | 45.56 | 118.72 |
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| 3 | Saturday | 5 | 5 | 3.56 | 17.82 | -60.89 |
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| 3 | Sunday | 8 | 8 | 6.06 | 48.51 | 172.22 |
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| 3 | Thursday | 3 | 3 | 4.29 | 12.87 | -73.47 |
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| 3 | Tuesday | 5 | 5 | 6.14 | 30.69 | 138.46 |
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| 3 | Wednesday | 2 | 2 | 9.41 | 18.82 | -38.68 |
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| 4 | Friday | 5 | 5 | 7.74 | 38.69 | null |
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| 4 | Monday | 4 | 4 | 4.21 | 16.83 | -56.50 |
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| 4 | Saturday | 2 | 2 | 8.91 | 17.82 | 5.88 |
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| 4 | Sunday | 3 | 3 | 6.29 | 18.87 | 5.89 |
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| 4 | Thursday | 6 | 6 | 6.60 | 39.60 | 109.86 |
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| 4 | Tuesday | 5 | 5 | 3.56 | 17.82 | -55.00 |
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| 4 | Wednesday | 8 | 8 | 6.06 | 48.51 | 172.22 |
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| 5 | Friday | 5 | 5 | 3.56 | 17.82 | null |
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| 5 | Monday | 5 | 5 | 7.14 | 35.69 | 100.28 |
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| 5 | Saturday | 8 | 8 | 6.06 | 48.51 | 35.92 |
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| 5 | Sunday | 6 | 6 | 6.60 | 39.60 | -18.37 |
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| 5 | Thursday | 6 | 6 | 3.47 | 20.79 | -47.50 |
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| 5 | Tuesday | 2 | 2 | 8.91 | 17.82 | -14.29 |
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| 5 | Wednesday | 3 | 3 | 4.29 | 12.87 | -27.78 |
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| 6 | Friday | 2 | 2 | 8.91 | 17.82 | null |
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| 6 | Monday | 5 | 5 | 4.16 | 20.82 | 16.84 |
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| 6 | Saturday | 3 | 3 | 4.29 | 12.87 | -38.18 |
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| 6 | Sunday | 6 | 6 | 3.47 | 20.79 | 61.54 |
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| 6 | Thursday | 5 | 5 | 6.54 | 32.69 | 57.24 |
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| 6 | Tuesday | 8 | 8 | 6.69 | 53.51 | 63.69 |
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| 6 | Wednesday | 6 | 6 | 7.10 | 42.60 | -20.39 |
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| 7 | Friday | 8 | 8 | 6.06 | 48.51 | null |
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| 7 | Monday | 2 | 2 | 8.91 | 17.82 | -63.27 |
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| 7 | Saturday | 6 | 6 | 6.60 | 39.60 | 122.22 |
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| 7 | Sunday | 5 | 5 | 6.14 | 30.69 | -22.50 |
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| 7 | Thursday | 5 | 5 | 3.56 | 17.82 | -41.94 |
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| 7 | Tuesday | 3 | 3 | 4.29 | 12.87 | -27.78 |
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| 7 | Wednesday | 6 | 6 | 3.80 | 22.79 | 77.08 |
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| 8 | Friday | 3 | 3 | 4.29 | 12.87 | null |
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| 8 | Monday | 8 | 8 | 7.31 | 58.51 | 354.62 |
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| 8 | Saturday | 6 | 6 | 3.47 | 20.79 | -64.47 |
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| 8 | Sunday | 5 | 5 | 3.56 | 17.82 | -14.29 |
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| 8 | Thursday | 2 | 2 | 8.91 | 17.82 | 0.00 |
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| 8 | Tuesday | 6 | 6 | 6.60 | 39.60 | 122.22 |
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| 8 | Wednesday | 5 | 5 | 6.14 | 30.69 | -22.50 |
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| 9 | Friday | 6 | 6 | 7.43 | 44.60 | null |
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| 9 | Monday | 3 | 3 | 4.29 | 12.87 | -71.14 |
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| 9 | Saturday | 4 | 4 | 8.93 | 35.70 | 177.39 |
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| 9 | Sunday | 2 | 2 | 8.91 | 17.82 | -50.08 |
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| 9 | Thursday | 8 | 8 | 6.94 | 55.51 | 211.50 |
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| 9 | Tuesday | 5 | 5 | 2.38 | 11.88 | -78.60 |
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| 9 | Wednesday | 5 | 5 | 3.56 | 17.82 | 50.00 |
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| 10 | Friday | 5 | 5 | 2.38 | 11.88 | null |
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| 10 | Monday | 6 | 6 | 6.60 | 39.60 | 233.33 |
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| 10 | Saturday | 6 | 6 | 3.14 | 18.81 | -52.50 |
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| 10 | Sunday | 8 | 8 | 6.44 | 51.51 | 173.84 |
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| 10 | Thursday | 3 | 3 | 4.29 | 12.87 | -75.01 |
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| 10 | Tuesday | 5 | 5 | 8.12 | 40.61 | 215.54 |
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| 10 | Wednesday | 2 | 2 | 8.91 | 17.82 | -56.12 |
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| 11 | Friday | 4 | 4 | 6.19 | 24.75 | null |
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| 11 | Monday | 5 | 5 | 2.38 | 11.88 | -52.00 |
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| 11 | Saturday | 2 | 2 | 8.91 | 17.82 | 50.00 |
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| 11 | Sunday | 3 | 3 | 4.29 | 12.87 | -27.78 |
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| 11 | Thursday | 6 | 6 | 8.60 | 51.60 | 300.93 |
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| 11 | Tuesday | 6 | 6 | 3.14 | 18.81 | -63.55 |
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| 11 | Wednesday | 8 | 8 | 6.06 | 48.51 | 157.89 |
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| 12 | Friday | 7 | 7 | 4.67 | 32.67 | null |
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| 12 | Monday | 4 | 4 | 6.44 | 25.75 | -21.18 |
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| 12 | Saturday | 8 | 8 | 6.06 | 48.51 | 88.39 |
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| 12 | Sunday | 6 | 6 | 6.60 | 39.60 | -18.37 |
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| 12 | Thursday | 5 | 5 | 2.38 | 11.88 | -70.00 |
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| 12 | Tuesday | 2 | 2 | 8.91 | 17.82 | 50.00 |
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| 12 | Wednesday | 3 | 3 | 4.29 | 12.87 | -27.78 |

‎tests/chinook/dataset/task_4/task.txt‎

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Analyze customer purchasing patterns by month and day of week. Show month, day of week, unique customers, total invoices, average order value, total revenue, and day-over-day growth percentage for invoices from 2010 onwards.

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