#SETNX

Works with string values and bitmap-style string operations.

#Syntax

SETNX <key> <value>

#Parameters

• key: Primary key to read or mutate.
• value: Value written to BetterKV.

#Returns

Returns OK, an integer success flag, or a command-specific mutation result.

#Examples

SETNX lock:checkout worker-1

#BetterKV Notes

• Group: String.
• Access: Write.
• Status: Implemented in BetterKV and mutates server state or stored data.