Warning
SingleStore 9.0 gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 8.9 is recommended for production workloads, which can later be upgraded to SingleStore 9.0.
NTILE
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Divides the input into the specified number of buckets and returns the bucket number of the current row.
Syntax
NTILE ( bucket_count ) OVER (
[PARTITION BY (col | expr), ...]
[ORDER BY (col | expr), ...]
)
Arguments
-
bucket_
count: an integer.
Return Type
An integer
Examples
CREATE TABLE ntile_example (a int, b int);INSERT INTO ntile_example VALUES(1,2),(2,2),(3,3),(4,3);INSERT INTO ntile_example VALUES(3,2),(1,1),(3,1);
SELECT a,b, NTILE(3) OVER(ORDER BY a) FROM ntile_example;
+------+------+---------------------------+
| a | b | NTILE(3) OVER(ORDER BY a) |
+------+------+---------------------------+
| 1 | 2 | 1 |
| 1 | 1 | 1 |
| 2 | 2 | 1 |
| 3 | 3 | 2 |
| 3 | 2 | 2 |
| 3 | 1 | 3 |
| 4 | 3 | 3 |
+------+------+---------------------------+
Last modified: February 16, 2023