numbers

description

Table-Value-Function, generate a temporary table with only one column named ‘number’, row values are [0,n).

This function is used in FROM clauses.

grammar:

1. FROM numbers(n[,m]);

parameter：

• n: It means to generate rows [0, n).
• m: Optional parameters. It means this function is executed simultaneously on m be nodes (multiple BEs need to be deployed).

example

1. mysql> select * from numbers("5");
2. +--------+
3. | number |
4. +--------+
5. |      0 |
6. |      1 |
7. |      2 |
8. |      3 |
9. |      4 |
10. |      5 |
11. |      6 |
12. |      7 |
13. |      8 |
14. |      9 |
15. +--------+

keywords

1. numbers