YugabyteDB 2.1 Document
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SUBSCRIBE

来源 Yugabyte 项目组 浏览 3 扫码 打印 2026-09-15 10:30:25
  • SUBSCRIBE
    • Synopsis
    • See also

SUBSCRIBE

SUBSCRIBE

Synopsis

SUBSCRIBE channel [channel …]This command subscribes the client to the specified channel(s). The client will receive a message whenever apublisher sends a message to any of the channels that it has subscribed to.

See also

pubsub,publish,subscribe,unsubscribe,psubscribe,punsubscribe

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  • 前言
  • GET STARTED
    • Quick start
      • 1. Install YugabyteDB
      • 2. Create a local cluster
      • 3. Explore YSQL
      • 4. Build an application
        • Java
        • NodeJS
        • Go
        • Python
        • Ruby
        • C#
        • PHP
        • C++
        • C
    • Explore core features
      • Linear scalability
      • Fault tolerance
      • Global distribution
      • Auto sharding
      • Follower reads
      • Observability
      • Colocated tables
      • Change data capture (CDC)
      • Two data center (2DC)
  • USER GUIDES
    • Develop
      • Learn app development
        • 1. SQL vs NoSQL
        • 2. Data modeling
        • 3. Data types
        • 4. ACID transactions
        • 5. Aggregations
        • 6. Batch operations
        • 7. Date and time
        • 8. Strings and text
        • 9. TTL for data expiration
      • Ecosystem integrations
        • Apache Kafka
        • Apache Spark
        • JanusGraph
        • KairosDB
        • Presto
        • Metabase
      • Build GraphQL apps
        • Hasura
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      • Real-world examples
        • E-Commerce App
        • IoT Fleet Management
        • Retail Analytics
      • Explore sample apps
    • Deploy
      • Deployment checklist
      • Manual deployment
        • 1. System configuration
        • 2. Install software
        • 3. Start YB-Masters
        • 4. Start YB-TServers
        • 5. Verify deployment
      • Kubernetes
        • Open Source
        • Amazon EKS
        • Google Kubernetes Engine
        • Azure Kubernetes Service
        • Best Practices
      • Docker
      • Public clouds
        • Amazon Web Services
        • Google Cloud Platform
        • Microsoft Azure
      • Multi-DC deployments
        • Three+ data center (3DC)
        • Two data center (2DC)
      • Change data capture (CDC)
        • YugabyteDB CDC connector
        • CDC to Kafka
      • Pivotal Cloud Foundry
      • Yugabyte Platform
        • 1. Prepare cloud environment
        • 2. Install Admin Console
        • 3. Configure Admin Console
        • 4. Configure cloud providers
      • Yugabyte Cloud
        • Free Tier
        • Create clusters
        • Monitor clusters
        • Create databases
        • Manage database access
        • Connect to clusters
    • Benchmark
      • TPC-C
      • YCSB
      • Key-value workload
      • Large datasets
      • Scalability
        • Scaling queries
      • Resilience
        • Jepsen testing
    • Secure
      • Security checklist
      • Authentication
        • Authentication
        • Fine-grained authentication
      • Encryption in transit
        • Create client certificates
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        • Enable client-to-server encryption
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      • Encryption at rest
      • Authorization
        • RBAC model
        • Create roles
        • Grant privileges
    • Manage
      • Back up and restore
        • Back up data
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        • Snapshot and restore data
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      • Yugabyte Platform
        • Create universe - Multi-zone
        • Create universe - Multi-region
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        • Delete universe
    • Troubleshoot
      • Troubleshooting
      • Cluster level issues
        • YCQL connection issues
        • YEDIS connection Issues
        • Recover tserver/master
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        • Check processes
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        • Disk failure
      • Yugabyte Platform
        • Troubleshoot universes
  • REFERENCE
    • APIs
      • YSQL
        • Statements
          • ABORT
          • ALTER DATABASE
          • ALTER DEFAULT PRIVILEGES
          • ALTER DOMAIN
          • ALTER GROUP
          • ALTER POLICY
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          • ALTER USER
          • BEGIN
          • COMMIT
          • COPY
          • CREATE AGGREGATE
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          • CREATE OPERATOR CLASS
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          • CREATE ROLE
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          • CREATE TABLE
          • CREATE TABLE AS
          • CREATE TRIGGER
          • CREATE TYPE
          • CREATE USER
          • CREATE VIEW
          • DEALLOCATE
          • DELETE
          • DO
          • DROP AGGREGATE
          • DROP CAST
          • DROP DATABASE
          • DROP DOMAIN
          • DROP FUNCTION
          • DROP GROUP
          • DROP OPERATOR
          • DROP OPERATOR CLASS
          • DROP OWNED
          • DROP POLICY
          • DROP PROCEDURE
          • DROP ROLE
          • DROP RULE
          • DROP SEQUENCE
          • DROP TABLE
          • DROP TRIGGER
          • DROP TYPE
          • DROP USER
          • END
          • EXECUTE
          • EXPLAIN
          • GRANT
          • INSERT
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          • TRUNCATE
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        • Data types
          • Binary
          • Boolean
          • Character
          • Date-time
          • Json
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          • Serial
          • UUID
        • Expressions
          • currval()
          • lastval()
          • nextval()
        • Extensions
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        • Reserved names
      • YCQL
        • Quick start YCQL
        • ALTER KEYSPACE
        • ALTER ROLE
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        • CREATE INDEX
        • CREATE KEYSPACE
        • CREATE ROLE
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        • GRANT PERMISSION
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        • USE
        • INSERT
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        • Simple expressions
        • Subscript
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        • Operator call
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        • MAP, SET, LIST
        • FROZEN
        • INET
        • Integer and counter types
        • Non-integer
        • TEXT
        • Date & Time Types
        • UUID and TIMEUUID
        • JSONB
        • Date and time functions
    • CLIs
      • yb-ctl
      • yb-docker-ctl
      • ysqlsh
      • cqlsh
      • yb-admin
      • yb-ts-cli
      • ysql_dump
      • ysql_dumpall
    • Configuration
      • yb-tserver
      • yb-master
      • yugabyted
      • Default ports
    • Drivers
      • PostgreSQL JDBC Driver
      • YugabyteDB JDBC Driver
      • Spring Data YugabyteDB
    • Connectors
      • Kafka Connect YugabyteDB
    • Third party tools
      • DBeaver
      • DbSchema
      • pgAdmin
      • SQL Workbench/J
      • TablePlus
      • Visual Studio Code
    • Sample datasets
      • Chinook
      • Northwind
      • PgExercises
      • SportsDB
  • RELEASES
    • Release history
      • v2.1.0
      • v2.0.11
      • v2.0.10
      • v2.0.9
      • v2.0.8
      • v2.0.7
      • v2.0.6
      • v2.0.5
      • v2.0.3
      • v2.0.1
      • v2.0.0
      • v1.3.1
      • v1.3.0
      • v1.2.12
      • v1.2.11
      • v1.2.10
      • v1.2.9
      • v1.2.8
      • v1.2.6
      • v1.2.5
      • v1.2.4
  • CONCEPTS
    • Architecture
      • Design goals
      • Key concepts
        • Universe
        • YB-TServer
        • YB-Master
        • Acknowledgements
      • Core functions
        • Universe creation
        • Table creation
        • Write IO path
        • Read IO path
        • High availability
      • Layered architecture
      • Query layer
        • Overview
      • DocDB store
        • Sharding
        • Replication
        • Persistence
        • Performance
        • Colocated tables
      • DocDB transactions
        • Isolation Levels
        • Single row transactions
        • Distributed transactions
        • Transactional IO path
      • Change data capture (CDC)
      • Two data center (2DC) deployments
  • FAQ
    • Comparisons
      • Amazon Aurora
      • Google Cloud Spanner
      • CockroachDB
      • TiDB
      • Vitess
      • MongoDB
      • FoundationDB
      • Amazon DynamoDB
      • Azure Cosmos DB
      • Apache Cassandra
      • PostgreSQL
      • Redis in-memory store
      • Apache HBase
    • FAQs
      • General FAQ
      • Operations FAQ
      • API compatibility FAQ
      • Yugabyte Platform FAQ
  • CONTRIBUTOR GUIDES
    • Get involved
      • Core database
        • Contribution checklist
        • Build the source
        • Configure a CLion project
        • Run the tests
  • Misc
    • YEDIS
      • Quick start
      • Develop
        • Client drivers
          • C
          • C++
          • C#
          • Go
          • Java
          • NodeJS
          • Python
      • API reference
        • APPEND
        • AUTH
        • CONFIG
        • CREATEDB
        • DELETEDB
        • LISTDB
        • SELECT
        • DEL
        • ECHO
        • EXISTS
        • EXPIRE
        • EXPIREAT
        • FLUSHALL
        • FLUSHDB
        • GET
        • GETRANGE
        • GETSET
        • HDEL
        • HEXISTS
        • HGET
        • HGETALL
        • HINCRBY
        • HKEYS
        • HLEN
        • HMGET
        • HMSET
        • HSET
        • HSTRLEN
        • HVALS
        • INCR
        • INCRBY
        • KEYS
        • MONITOR
        • PEXPIRE
        • PEXPIREAT
        • PTTL
        • ROLE
        • SADD
        • SCARD
        • RENAME
        • SET
        • SETEX
        • PSETEX
        • SETRANGE
        • SISMEMBER
        • SMEMBERS
        • SREM
        • STRLEN
        • ZRANGE
        • TSADD
        • TSCARD
        • TSGET
        • TSLASTN
        • TSRANGEBYTIME
        • TSREM
        • TSREVRANGEBYTIME
        • TTL
        • ZADD
        • ZCARD
        • ZRANGEBYSCORE
        • ZREM
        • ZREVRANGE
        • ZSCORE
        • PUBSUB
        • PUBLISH
        • SUBSCRIBE
        • UNSUBSCRIBE
        • PSUBSCRIBE
        • PUNSUBSCRIBE
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