redis_exists()

Read(53) Label: exist, redis database,

Description:

Check whether the key exists.

Syntax:

redis_exists(con,key)

Note:

The external library function checks whether the key exists.

Parameters:

con

Database connection string

key

Key name

Return value:

Boolean

Example:

 

A

1

=redis_open()

2

=redis_exists(A1,"name")