ARLEN - Upstash Documentation

redis.arset("readings", 1000, "sample")
print(redis.arlen("readings"))  # 1001
print(redis.arcount("readings"))  # 1

redis.arset("readings", 1000, "sample")
print(redis.arlen("readings"))  # 1001
print(redis.arcount("readings"))  # 1

Use ARCOUNT to count stored values.

Arguments

str

required

The array key.

The highest occupied index plus one. A missing key returns "0" in TypeScript or 0 in Python. TypeScript returns a string even for small lengths.

redis.arset("readings", 1000, "sample")
print(redis.arlen("readings"))  # 1001
print(redis.arcount("readings"))  # 1

See the server command reference for protocol details.