-- Migrated from DuckDB test: test/sql/window/test_rank.test
CREATE TABLE test_data(i INTEGER, ts TIMESTAMP TIME INDEX);

Affected Rows: 0

INSERT INTO test_data VALUES (1, 1000), (1, 2000), (2, 3000), (2, 4000), (3, 5000);

Affected Rows: 5

-- RANK function with ties
SELECT i, RANK() OVER (ORDER BY i) as rank_val FROM test_data ORDER BY ts;

+---+----------+
| i | rank_val |
+---+----------+
| 1 | 1        |
| 1 | 1        |
| 2 | 3        |
| 2 | 3        |
| 3 | 5        |
+---+----------+

-- DENSE_RANK function  
SELECT i, DENSE_RANK() OVER (ORDER BY i) as dense_rank_val FROM test_data ORDER BY ts;

+---+----------------+
| i | dense_rank_val |
+---+----------------+
| 1 | 1              |
| 1 | 1              |
| 2 | 2              |
| 2 | 2              |
| 3 | 3              |
+---+----------------+

-- ROW_NUMBER function
SELECT i, ROW_NUMBER() OVER (ORDER BY i) as row_num FROM test_data ORDER BY ts;

+---+---------+
| i | row_num |
+---+---------+
| 1 | 1       |
| 1 | 2       |
| 2 | 3       |
| 2 | 4       |
| 3 | 5       |
+---+---------+

DROP TABLE test_data;

Affected Rows: 0