numbers
Description
This is a table function that generates a temporary table with only one column named number
and a row value of [0,n).
It is used in FROM clauses.
Syntax:
numbers(
"number" = "n",
"backend_num" = "m"
);
Parameters:
n
: It means to generate [0, n) rows.m
: Optional. It means this function is executed simultaneously onm
BE nodes (multiple BE nodes need to be deployed).
Example
mysql> select * from numbers("number" = "10");
+--------+
| number |
+--------+
| 0 |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
+--------+
Keywords
numbers