ARSEEK - Upstash Documentation

Moves only the append cursor; existing values are unchanged. The key must already exist.

Arguments#

keystringrequired#

The array key.

indexnumber | stringrequired#

The index where the next ARINSERT should write.

Response#

0 | 1required

TypeScript returns 1 if the cursor was set and 0 if the key does not exist. Python returns True or False, respectively.

See the server command reference for protocol details.

ARNEXT AROP

await redis.arset("readings", 10, "existing");const nextIndex = await redis.arlen("readings");console.log(await redis.arseek("readings", nextIndex)); // 1console.log(await redis.arinsert("readings", "new")); // "11"console.log(await redis.arget("readings", 10)); // "existing"