Description:
Get the length of a list.
Syntax:
redis_llen(con,key)
Note:
External library function. If the parameter key isn’t supplied, the function will interpret it as an empty list and return 0. If the data type of the parameter key isn’t list, an error will be reported.
Parameters:
con |
Database connection string |
key |
List name |
Return value:
The length of the list.
Example:
|
A |
|
1 |
=redis("192.168.18.131:6379","runqian") |
|
2 |
= redis_llen(A1,"abc") |
|
3 |
= redis_llen(A1,"mylist") |
|
Related functions: