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openGauss数据库常见的隐式类型转换，请参见表1。
表 1 隐式类型转换表
数据类型转换
- 关于openGauss
- AI特性指南
- SQL参考
- 物化视图
- 存储过程
- 游标
- 锁
- 函数和操作符
- 动态数据脱敏函数
- 网络地址函数和操作符
- HLL函数和操作符
- HashFunc函数
- 统计信息函数
- 废弃函数
- 全局临时表函数
- 窗口函数
- 数字操作函数和操作符
- 模式匹配操作符
- 聚集函数
- 类型转换函数
- 故障注入系统函数
- 密态等值的函数
- Global SysCache特性函数
- 逻辑操作符
- JSON/JSONB函数和操作符
- AI特性函数
- 安全函数
- 内部函数
- 系统管理函数
- 位串函数和操作符
- 触发器函数
- 数组函数和操作符
- 提示信息函数
- 文本检索函数和操作符
- 字符处理函数和操作符
- 比较操作符
- 条件表达式函数
- 时间和日期处理函数和操作符
- SEQUENCE函数
- 二进制字符串函数和操作符
- 范围函数和操作符
- 几何函数和操作符
- 其他系统函数
- 系统信息函数
- 返回集合的函数
- 账本数据库的函数
- 数据损坏检测修复函数
- 事件触发器函数
- XML类型函数
- 自治事务
- 事务
- Schema
- DBE_PERF Schema
- RTO
- Workload
- Instance
- Global Plancache
- File
- OS
- Transaction
- Wait Events
- Utility
- GLOBAL_DOUBLE_WRITE_STATUS
- GLOBAL_BGWRITER_STAT
- GLOBAL_REPLICATION_STAT
- SUMMARY_USER_LOGIN
- USER_LOGIN
- GLOBAL_CANDIDATE_STATUS
- GLOBAL_REDO_STATUS
- GLOBAL_SINGLE_FLUSH_DW_STATUS
- GLOBAL_GET_BGWRITER_STATUS
- CLASS_VITAL_INFO
- REPLICATION_STAT
- GLOBAL_REPLICATION_SLOTS
- GLOBAL_PAGEWRITER_STATUS
- GLOBAL_RECOVERY_STATUS
- BGWRITER_STAT
- REPLICATION_SLOTS
- GLOBAL_CKPT_STATUS
- GLOBAL_RECORD_RESET_TIME
- Operator
- Cache/IO
- STATIO_SYS_INDEXES
- GLOBAL_STATIO_USER_INDEXES
- SUMMARY_STATIO_USER_SEQUENCES
- STATIO_SYS_TABLES
- SUMMARY_STATIO_SYS_INDEXES
- SUMMARY_STATIO_ALL_SEQUENCES
- STATIO_USER_INDEXES
- GLOBAL_STATIO_SYS_TABLES
- GLOBAL_STAT_DB_CU
- STATIO_ALL_SEQUENCES
- GLOBAL_STATIO_ALL_INDEXES
- STATIO_ALL_INDEXES
- SUMMARY_STATIO_USER_INDEXES
- STATIO_USER_SEQUENCES
- STATIO_USER_TABLES
- GLOBAL_STATIO_SYS_INDEXES
- SUMMARY_STATIO_ALL_INDEXES
- STATIO_ALL_TABLES
- GLOBAL_STATIO_SYS_SEQUENCES
- SUMMARY_STATIO_ALL_TABLES
- SUMMARY_STATIO_SYS_SEQUENCES
- GLOBAL_STATIO_ALL_SEQUENCES
- GLOBAL_STAT_SESSION_CU
- GLOBAL_STATIO_USER_SEQUENCES
- GLOBAL_STATIO_ALL_TABLES
- SUMMARY_STATIO_USER_TABLES
- GLOBAL_STATIO_USER_TABLES
- STATIO_SYS_SEQUENCES
- SUMMARY_STATIO_SYS_TABLES
- Query
- SUMMARY_STATEMENT
- GS_SLOW_QUERY_INFO（废弃）
- GLOBAL_SLOW_QUERY_INFO（废弃）
- GLOBAL_STATEMENT_COMPLEX_HISTORY
- GS_SLOW_QUERY_HISTORY（废弃）
- GLOBAL_STATEMENT_COUNT
- STATEMENT_COMPLEX_RUNTIME
- GLOBAL_STATEMENT_COMPLEX_RUNTIME
- SUMMARY_STATEMENT_COUNT
- GLOBAL_STATEMENT_COMPLEX_HISTORY_TABLE
- GLOBAL_SLOW_QUERY_HISTORY（废弃）
- STATEMENT_COUNT
- STATEMENT_WLMSTAT_COMPLEX_RUNTIME
- STATEMENT_COMPLEX_HISTORY_TABLE
- STATEMENT_HISTORY
- STATEMENT_RESPONSETIME_PERCENTILE
- STATEMENT
- STATEMENT_COMPLEX_HISTORY
- Object
- SUMMARY_STAT_SYS_TABLES
- STAT_SYS_INDEXES
- SUMMARY_STAT_XACT_USER_TABLES
- SUMMARY_STAT_USER_INDEXES
- SUMMARY_STAT_USER_TABLES
- GLOBAL_STAT_ALL_INDEXES
- GLOBAL_STAT_DATABASE_CONFLICTS
- GLOBAL_STAT_XACT_USER_FUNCTIONS
- GLOBAL_STAT_BAD_BLOCK
- SUMMARY_STAT_SYS_INDEXES
- STAT_ALL_TABLES
- STAT_USER_TABLES
- GLOBAL_STAT_USER_FUNCTIONS
- SUMMARY_STAT_BAD_BLOCK
- GLOBAL_STAT_SYS_INDEXES
- GLOBAL_STAT_DATABASE
- SUMMARY_STAT_XACT_ALL_TABLES
- GLOBAL_STAT_XACT_USER_TABLES
- GLOBAL_STAT_USER_TABLES
- STAT_ALL_INDEXES
- GLOBAL_STAT_ALL_TABLES
- SUMMARY_STAT_DATABASE
- SUMMARY_STAT_ALL_INDEXES
- GLOBAL_STAT_USER_INDEXES
- SUMMARY_STAT_XACT_SYS_TABLES
- STAT_XACT_USER_TABLES
- GLOBAL_STAT_SYS_TABLES
- STAT_XACT_SYS_TABLES
- STAT_XACT_ALL_TABLES
- GLOBAL_STAT_XACT_SYS_TABLES
- SUMMARY_STAT_USER_FUNCTIONS
- STAT_DATABASE_CONFLICTS
- STAT_SYS_TABLES
- SUMMARY_STAT_ALL_TABLES
- SUMMARY_STAT_DATABASE_CONFLICTS
- STAT_USER_FUNCTIONS
- STAT_XACT_USER_FUNCTIONS
- STAT_USER_INDEXES
- SUMMARY_STAT_XACT_USER_FUNCTIONS
- STAT_DATABASE
- GLOBAL_STAT_XACT_ALL_TABLES
- STAT_BAD_BLOCK
- Configuration
- Lock
- Session/Thread
- STATEMENT_IOSTAT_COMPLEX_RUNTIME
- SESSION_MEMORY
- GLOBAL_SESSION_TIME
- SESSION_CPU_RUNTIME
- SESSION_TIME
- GLOBAL_SESSION_STAT_ACTIVITY
- SESSION_STAT_ACTIVITY
- GLOBAL_THREAD_WAIT_STATUS
- GLOBAL_SESSION_MEMORY_DETAIL
- GLOBAL_THREADPOOL_STATUS
- THREAD_WAIT_STATUS
- SESSION_STAT
- SESSION_MEMORY_RUNTIME
- GLOBAL_SESSION_MEMORY
- SESSION_MEMORY_DETAIL
- LOCAL_THREADPOOL_STATUS
- LOCAL_ACTIVE_SESSION
- GLOBAL_SESSION_STAT
- Memory
- Workload Manager
- DBE_SQL_UTIL Schema
- DBE_PLDEVELOPER
- WDR Snapshot Schema
- DB4AI Schema
- DBE_PLDEBUGGER Schema
- DBE_PLDEBUGGER.step
- DBE_PLDEBUGGER.delete_breakpoint
- DBE_PLDEBUGGER.abort
- DBE_PLDEBUGGER.backtrace
- DBE_PLDEBUGGER.info_breakpoints
- DBE_PLDEBUGGER.continue
- DBE_PLDEBUGGER.add_breakpoint
- DBE_PLDEBUGGER.info_code
- DBE_PLDEBUGGER.turn_on
- DBE_PLDEBUGGER.enable_breakpoint
- DBE_PLDEBUGGER.local_debug_server_info
- DBE_PLDEBUGGER.disable_breakpoint
- DBE_PLDEBUGGER.finish
- DBE_PLDEBUGGER.next
- DBE_PLDEBUGGER.turn_off
- DBE_PLDEBUGGER.set_var
- DBE_PLDEBUGGER.info_locals
- DBE_PLDEBUGGER.print_var
- DBE_PLDEBUGGER.attach
- Information Schema
- DBE_PERF Schema
- 分区表
- 扩展语法
- openGauss SQL
- 全文检索
- 数据类型
- 索引
- 约束
- 别名
- 类型转换
- 类型基础值
- 扩展函数
- 触发器
- PL/pgSQL语言函数
- SQL语法格式说明
- 系统操作
- 普通表
- SQL语言结构和语法
- 关键字
- DDL语法一览表
- DML语法一览表
- DCL语法一览表
- 子查询
- 常量与宏
- 表达式
- SQL语法
- VACUUM
- SET SESSION AUTHORIZATION
- CREATE CLIENT MASTER KEY
- DROP RESOURCE POOL
- ROLLBACK
- SET CONSTRAINTS
- ALTER TEXT SEARCH DICTIONARY
- ALTER OPERATOR
- DROP OWNED
- CREATE MATERIALIZED VIEW
- MERGE INTO
- ALTER TABLE PARTITION
- ALTER USER
- CLOSE
- CREATE RESOURCE LABEL
- ALTER MATERIALIZED VIEW
- REASSIGN OWNED
- CREATE TEXT SEARCH DICTIONARY
- DROP COLUMN ENCRYPTION KEY
- DROP SYNONYM
- ALTER RESOURCE POOL
- CREATE FOREIGN TABLE
- ALTER SUBSCRIPTION
- ALTER PACKAGE
- CREATE SYNONYM
- DROP OPERATOR
- ALTER ROW LEVEL SECURITY POLICY
- DECLARE
- ALTER EVENT TRIGGER
- CREATE TYPE
- PREDICT BY
- CREATE RULE
- CREATE PUBLICATION
- DELIMITER
- CREATE TABLESPACE
- CREATE INDEX
- DROP EVENT TRIGGER
- SNAPSHOT
- ALTER PROCEDURE
- ALTER DATABASE
- CREATE Extension
- DROP USER
- ALTER SCHEMA
- REFRESH INCREMENTAL MATERIALIZED VIEW
- ALTER SYNONYM
- DEALLOCATE
- CREATE ROW LEVEL SECURITY POLICY
- CLEAN CONNECTION
- ALTER DATA SOURCE
- CREATE EVENT TRIGGER
- CREATE COLUMN ENCRYPTION KEY
- EXPLAIN
- FETCH
- SHRINK
- CREATE EVENT
- SAVEPOINT
- ALTER SYSTEM SET
- DROP SCHEMA
- DROP SEQUENCE
- ALTER Extension
- UPDATE
- INSERT
- CREATE AUDIT POLICY
- CREATE PROCEDURE
- ALTER USER MAPPING
- EXPLAIN PLAN
- ALTER TEXT SEARCH CONFIGURATION
- ALTER TABLE
- SHOW EVENTS
- DROP EVENT
- ALTER RESOURCE LABEL
- ALTER TABLE SUBPARTITION
- MOVE
- CREATE VIEW
- DROP AUDIT POLICY
- CREATE TABLE
- RELEASE SAVEPOINT
- CREATE RESOURCE POOL
- DROP INDEX
- ROLLBACK PREPARED
- DROP PUBLICATION
- ALTER LARGE OBJECT
- CREATE TABLE PARTITION
- ALTER SEQUENCE
- REINDEX
- CREATE LANGUAGE
- START TRANSACTION
- ALTER PUBLICATION
- DROP SUBSCRIPTION
- CREATE SCHEMA
- REVOKE
- ALTER TYPE
- CREATE PACKAGE
- ABORT
- DROP FUNCTION
- COMMIT PREPARED
- CREATE SUBSCRIPTION
- VALUES
- CREATE MASKING POLICY
- TIMECAPSULE TABLE
- CALL
- CREATE DATABASE
- CREATE MODEL
- CREATE SEQUENCE
- DROP TEXT SEARCH CONFIGURATION
- DROP DATA SOURCE
- CREATE USER
- CREATE CAST
- SHOW
- REFRESH MATERIALIZED VIEW
- PREPARE TRANSACTION
- DELETE
- DROP WEAK PASSWORD DICTIONARY
- PREPARE
- DROP TEXT SEARCH DICTIONARY
- ANALYZE | ANALYSE
- ALTER FOREIGN TABLE
- CREATE DIRECTORY
- DROP GLOBAL CONFIGURATION
- DROP TABLESPACE
- DROP TRIGGER
- ALTER MASKING POLICY
- ALTER INDEX
- RESET
- DO
- ALTER TABLESPACE
- COMMIT | END
- DROP ROW LEVEL SECURITY POLICY
- ALTER LANGUAGE
- SET ROLE
- DROP FOREIGN TABLE
- CREATE TRIGGER
- CLUSTER
- COPY
- ALTER FUNCTION
- SET
- CURSOR
- ALTER FOREIGN DATA WRAPPER
- DROP DIRECTORY
- CREATE OPERATOR
- ALTER SESSION
- DROP VIEW
- SHUTDOWN
- CREATE TABLE AS
- DROP USER MAPPING
- ALTER ROLE
- COMMENT
- DROP MODEL
- LOCK
- DROP RESOURCE LABEL
- ALTER DIRECTORY
- DROP SERVER
- SELECT INTO
- BEGIN
- ROLLBACK TO SAVEPOINT
- DROP CAST
- DROP PACKAGE
- CREATE FUNCTION
- DROP ROLE
- ALTER AGGREGATE
- CREATE INCREMENTAL MATERIALIZED VIEW
- CREATE GROUP
- PURGE
- DROP Extension
- GRANT
- ALTER VIEW
- SET TRANSACTION
- DROP MATERIALIZED VIEW
- DROP DATABASE
- CREATE WEAK PASSWORD DICTIONARY
- DROP AGGREGATE
- ALTER GLOBAL CONFIGURATION
- CHECKPOINT
- DROP TYPE
- DROP CLIENT MASTER KEY
- ALTER TRIGGER
- CREATE TABLE SUBPARTITION
- ALTER EVENT
- ALTER SERVER
- ALTER GROUP
- DROP MASKING POLICY
- CREATE ROLE
- ALTER SYSTEM KILL SESSION
- CREATE AGGREGATE
- CREATE FOREIGN DATA WRAPPER
- DROP PROCEDURE
- EXECUTE
- SELECT
- CREATE TEXT SEARCH CONFIGURATION
- DROP TABLE
- CREATE DATA SOURCE
- ALTER AUDIT POLICY
- CREATE SERVER
- DROP FOREIGN DATA WRAPPER
- EXECUTE DIRECT
- CREATE USER MAPPING
- ALTER DEFAULT PRIVILEGES
- DROP RULE
- TRUNCATE
- DROP GROUP
- DROP LANGUAGE
- 匿名块
- GIN索引
- 法律声明
- 数据迁移指南
- 简易教程
- 性能调优指南
- 安装指南
- 数据库管理指南
- 应用开发指南
- 基于JDBC开发
- 日志管理
- 执行SQL语句
- 连接数据库
- 加载驱动
- 连接数据库（以SSL方式）
- 关闭连接
- 示例：jdbc主备集群负载均衡
- 示例：通过本地文件导入导出数据
- JDBC接口参考
- javax.sql.DataSource
- CopyManager
- javax.sql.PooledConnection
- javax.naming.Context
- java.sql.DatabaseMetaData
- javax.naming.spi.InitialContextFactory
- java.sql.ResultSet
- java.sql.CallableStatement
- java.sql.Driver
- java.sql.PreparedStatement
- java.sql.Statement
- javax.sql.ConnectionPoolDataSource
- java.sql.ResultSetMetaData
- java.sql.Connection
- JDBC包、驱动类和环境类
- 示例：重新执行应用SQL
- 示例：逻辑复制代码示例
- 示例：从MY迁移数据
- 示例：不同场景下连接数据库参数配置
- JDBC常用参数参考
- 开发流程
- 处理结果集
- 连接数据库（UDS方式）
- 示例：常用操作
- 编译与调试
- 数据查询请求处理过程
- 基于libpq开发
- 基于ODBC开发
- 开发设计规范
- 基于Psycopg开发
- 基于JDBC开发
- 技术白皮书
- 编译指南
- 插件参考
- PostGIS Extension
- Dolphin Extension
- Dolphin限制
- Dolphin安装
- Dolphin语法介绍
- 存储过程
- 标识符说明
- 重设参数
- SQL参考
- 数据类型
- DDL语法一览表
- SQL语法
- CREATE FUNCTION
- SHOW GRANTS
- SHOW FUNCTION STATUS
- USE DB_NAME
- SHOW PROCESSLIST
- SHOW PLUGINS
- SHOW INDEX
- CREATE SERVER
- GRANT
- SHOW COLLATION
- SHOW CHARACTER-SET
- EXPLAIN
- DROP DATABASE
- SHOW DATABASES
- ALTER SERVER
- FLUSH BINARY LOGS
- SELECT HINT
- PREPARE
- SHOW WARNINGS
- AST
- SHOW CREATE VIEW
- CREATE PROCEDURE
- REVOKE
- DROP TABLESPACE
- SET PASSWORD
- DO
- SET CHARSET
- KILL
- RENAME USER
- CHECKSUM TABLE
- LOAD DATA
- SHOW PRIVILEGES
- SHOW TABLES
- EXECUTE
- SHOW CREATE TABLE
- RENAME TABLE
- SHOW TRIGGERS
- CREATE TABLE
- SHOW STATUS
- ALTER PROCEDURE
- SELECT
- SHOW CREATE FUNCTION
- GRANT REVOKE PROXY
- UPDATE
- CREATE TRIGGER
- ALTER VIEW
- SHOW TABLE-STATUS
- ALTER TABLE-PARTITION
- SHOW MASTER-STATUS
- ALTER FUNCTION
- CREATE TABLE AS
- ALTER TABLE
- INSERT
- SHOW CREATE TRIGGER
- SHOW COLUMNS
- SHOW CREATE DATABASE
- SHOW CREATE PROCEDURE
- CREATE INDEX
- SHOW SLAVE HOSTS
- CREATE VIEW
- SHOW PROCEDURE-STATUS
- CREATE TABLE PARTITION
- ANALYZE ANALYSE
- DESCRIBE TABLE
- SHOW VARIABLES
- OPTIMIZE TABLE
- CREATE TABLESPACE
- DROP INDEX
- ALTER TABLESPACE
- 函数和操作符
- DCL语法一览表
- DML语法一览表
- 关键字
- 系统视图
- GUC参数说明
- Dolphin概述
- 附录
- 发行说明
- 快速入门
- 数据库运维指南
- 例行维护
- 日志参考
- 实例主备切换
- 查看状态
- 启停openGauss
- 备份与恢复
- 逻辑复制
- 常见故障定位指南
- 常见故障定位案例
- 修改索引时只调用索引名提示索引不存在
- 业务运行时整数转换错
- core问题定位
- 在XFS文件系统中，使用du命令查询数据文件大小大于文件实际大小
- 分析查询效率异常降低的问题
- 磁盘空间达到阈值-数据库只读
- 不同用户查询同表显示数据不同
- 服务启动失败
- switchover操作时，主机降备卡住
- 备机处于need repair(WAL)状态问题
- 执行修改表分区操作时报错
- 重建索引失败
- VACUUM FULL一张表后，表文件大小无变化
- TPCC高并发长稳运行因脏页刷盘效率导致性能下降
- 分析查询语句是否被阻塞
- 分析查询语句长时间运行的问题
- 共享内存泄露问题
- 内存不足问题
- 执行 SQL 语句时，提示 Lock wait timeout
- 强制结束指定的问题会话
- TPCC运行时，注入磁盘满故障，TPCC卡住的问题
- 高并发报错”too many clients already”或无法创建线程
- 在XFS文件系统中，出现文件损坏
- 分析查询语句运行状态
- btree 索引故障情况下应对策略
- 出现“Error:No space left on device”提示
- 谓词下推引起的查询报错
- 常见故障定位手段
- 常见故障定位案例
- 高危操作一览表
- 升级
- 工具与命令参考
- 集群管理（Cluster Manager）
- FAQ
- 系统内部命令
- gs_tar
- gs_postuninstall
- gs_dropnode
- kdestroy
- dssserver
- kdb5_util
- gs_install
- gs_ctl
- pssh
- pg_archivecleanup
- pscp
- gs_initdb
- gaussdb
- kinit
- gs_uninstall
- pg_resetxlog
- dsscmd
- gs_preinstall
- gs_basebackup
- gs_probackup
- gs_backup
- gs_sshexkey
- gs_upgradectl
- pg_controldata
- pg_config
- klist
- pg_recvlogical
- gs_expansion
- krb5kdc
- kadmin.local
- gstrace
- transfer.py
- 工具一览表
- DataKit
- openGauss可运行脚本功能说明
- 客户端工具
- 服务端工具
- gs_collector工具支持收集的系统表和视图列表
- 数据库参考
- GUC参数说明
- 错误码参考
- GAUSS-01001 – GAUSS-01100
- GAUSS-01201 – GAUSS-01300
- SQL标准错误码说明
- GAUSS-05501 – GAUSS-05600
- GAUSS-07301 – GAUSS-07400
- GAUSS-04401 – GAUSS-04500
- GAUSS-07201 – GAUSS-07300
- GAUSS-05901 – GAUSS-06000
- GAUSS-04901 – GAUSS-04999
- GAUSS-03401 – GAUSS-03500
- GAUSS-00901 – GAUSS-01000
- GAUSS-00801 – GAUSS-00900
- GAUSS-05301 – GAUSS-05400
- GAUSS-06501 – GAUSS-06600
- GAUSS-03601 – GAUSS-03700
- GAUSS-01401 – GAUSS-01500
- GAUSS-51000 – GAUSS-51999
- GAUSS-06301 – GAUSS-06400
- GAUSS-05101 – GAUSS-05200
- GAUSS-06401 – GAUSS-06500
- GAUSS-04801 – GAUSS-04900
- GAUSS-02901 – GAUSS-03000
- GAUSS-50000 – GAUSS-50999
- GAUSS-01701 – GAUSS-01800
- GAUSS-06101 – GAUSS-06200
- GAUSS-01601 – GAUSS-01700
- GAUSS-03801 – GAUSS-03900
- GAUSS-02401 – GAUSS-02500
- GAUSS-00301 – GAUSS-00400
- GAUSS-03101 – GAUSS-03200
- GAUSS-02701 – GAUSS-02800
- GAUSS-01101 – GAUSS-01200
- GAUSS-00401 – GAUSS-00500
- GAUSS-00501 – GAUSS-00600
- GAUSS-04301 – GAUSS-04400
- GAUSS-02101 – GAUSS-02200
- GAUSS-05201– GAUSS-05300
- GAUSS-03901 – GAUSS-04000
- GAUSS-04601 – GAUSS-04700
- GAUSS-05701 – GAUSS-05800
- GAUSS-02601 – GAUSS-02700
- GAUSS-05801 – GAUSS-05900
- GAUSS-04201 – GAUSS-04300
- GAUSS-04701 – GAUSS-04800
- GAUSS-01801 – GAUSS-01900
- GAUSS-01501 – GAUSS-01600
- GAUSS-03301 – GAUSS-03400
- GAUSS-03001 – GAUSS-03100
- GAUSS-03501 – GAUSS-03600
- GAUSS-02501 – GAUSS-02600
- GAUSS-01901 – GAUSS-02000
- GAUSS-00001 – GAUSS-00100
- GAUSS-00601 – GAUSS-00700
- GAUSS-04001 – GAUSS-04100
- GAUSS-06001 – GAUSS-06100
- GAUSS-02201 – GAUSS-02300
- GAUSS-02801 – GAUSS-02900
- GAUSS-06801 – GAUSS-06900
- GAUSS-06601 – GAUSS-06700
- GAUSS-02001 – GAUSS-02100
- GAUSS-05001 – GAUSS-05100
- GAUSS-00101 – GAUSS-00200
- GAUSS-04501 – GAUSS-04600
- GAUSS-52000 – GAUSS-52999
- GAUSS-07401 – GAUSS-07500
- GAUSS-06201 – GAUSS-06300
- GAUSS-00701 – GAUSS-00800
- GAUSS-53000 – GAUSS-53999
- GAUSS-06701 – GAUSS-06800
- GAUSS-06901 – GAUSS-07000
- GAUSS-04101 – GAUSS-04200
- GAUSS-05401 – GAUSS-05500
- GAUSS-03701 – GAUSS-03800
- GAUSS-00201 – GAUSS-00300
- GAUSS-07101 – GAUSS-07200
- GAUSS-02301 – GAUSS-02400
- GAUSS-03201 – GAUSS-03300
- GAUSS-07001 – GAUSS-07100
- 第三方库错误码说明
- GAUSS-01301 – GAUSS-01400
- GAUSS-05601 – GAUSS-05700
- openGauss可运行脚本功能说明
- 通信矩阵
- 系统表和系统视图
- 系统视图
- PG_REPLICATION_SLOTS
- PG_COMM_RECV_STREAM
- GS_WLM_SESSION_STATISTICS
- GS_INSTANCE_TIME
- PG_STAT_XACT_ALL_TABLES
- GS_SESSION_MEMORY_CONTEXT
- PG_VIEWS
- PG_COMM_DELAY
- PG_STAT_SYS_TABLES
- PG_CONTROL_GROUP_CONFIG
- GS_AUDITING
- PG_SESSION_IOSTAT
- PG_COMM_SEND_STREAM
- PG_GROUP
- PG_STATIO_SYS_INDEXES
- PG_NODE_ENV
- PG_PUBLICATION_TABLES
- GS_TOTAL_MEMORY_DETAIL
- GS_FILE_STAT
- GS_WLM_EC_OPERATOR_STATISTICS
- GS_WLM_SESSION_INFO
- PG_STAT_BGWRITER
- PG_STAT_SUBSCRIPTION
- MPP_TABLES
- PG_OS_THREADS
- PG_STATIO_SYS_TABLES
- PG_STAT_USER_FUNCTIONS
- PG_STAT_ACTIVITY
- GS_SESSION_MEMORY
- PG_EXT_STATS
- PG_ROLES
- PG_SETTINGS
- PG_RLSPOLICIES
- GS_DB_PRIVILEGES
- PG_RULES
- GS_LABELS
- PG_STAT_ALL_TABLES
- PGXC_PREPARED_XACTS
- PG_STATIO_USER_SEQUENCES
- PG_TDE_INFO
- PG_LOCKS
- PG_TOTAL_USER_RESOURCE_INFO
- PG_VARIABLE_INFO
- PG_STAT_ALL_INDEXES
- PG_TABLES
- PG_TOTAL_MEMORY_DETAIL
- GS_REDO_STAT
- GS_LSC_MEMORY_DETAIL
- GS_WLM_SESSION_HISTORY
- PG_STAT_REPLICATION
- PG_STATS
- PG_RUNNING_XACTS
- GS_STAT_SESSION_CU
- GS_WLM_OPERATOR_STATISTICS
- GS_SESSION_MEMORY_STATISTICS
- GS_WLM_SESSION_INFO_ALL
- PG_COMM_STATUS
- PG_STAT_DATABASE_CONFLICTS
- PG_GET_SENDERS_CATCHUP_TIME
- PG_STAT_XACT_SYS_TABLES
- PG_STAT_XACT_USER_TABLES
- GS_MASKING
- PG_SESSION_WLMSTAT
- PG_SHADOW
- PG_STATIO_ALL_SEQUENCES
- PG_STAT_BAD_BLOCK
- GS_AUDITING_PRIVILEGE
- PG_USER
- PG_STAT_SYS_INDEXES
- PG_STATIO_ALL_INDEXES
- GS_THREAD_MEMORY_CONTEXT
- PG_STAT_ACTIVITY_NG
- GS_WLM_RESOURCE_POOL
- GS_WLM_USER_INFO
- PG_STATIO_USER_INDEXES
- GS_GSC_MEMORY_DETAIL
- GS_SESSION_STAT
- GS_SESSION_TIME
- PG_INDEXES
- PG_STAT_USER_INDEXES
- GET_GLOBAL_PREPARED_XACTS（废弃）
- PG_GTT_ATTACHED_PIDS
- GS_WLM_CGROUP_INFO
- GS_SQL_COUNT
- PG_STAT_XACT_USER_FUNCTIONS
- PG_TOTAL_USER_RESOURCE_INFO_OID
- PG_STATIO_ALL_TABLES
- PG_STAT_DATABASE
- PG_GET_INVALID_BACKENDS
- GS_SESSION_MEMORY_DETAIL
- GS_WLM_PLAN_OPERATOR_HISTORY
- PG_GTT_STATS
- PG_PREPARED_STATEMENTS
- PG_WLM_STATISTICS
- PG_TIMEZONE_ABBREVS
- PG_STATIO_USER_TABLES
- PG_SECLABELS
- PG_CURSORS
- PG_THREAD_WAIT_STATUS
- PG_STAT_USER_TABLES
- PG_STATIO_SYS_SEQUENCES
- GS_SESSION_CPU_STATISTICS
- PLAN_TABLE
- PG_USER_MAPPINGS
- PG_PREPARED_XACTS
- PG_GTT_RELSTATS
- PG_AVAILABLE_Extension_VERSIONS
- GS_WLM_OPERATOR_HISTORY
- GS_OS_RUN_INFO
- PG_AVAILABLE_ExtensionS
- GS_WLM_REBUILD_USER_RESOURCE_POOL
- PG_REPLICATION_ORIGIN_STATUS
- PG_TIMEZONE_NAMES
- GS_MATVIEWS
- GS_AUDITING_ACCESS
- 系统表
- PG_USER_STATUS
- PG_OBJECT
- PG_JOB_PROC
- GS_WLM_OPERATOR_INFO
- PG_TYPE
- PG_SYNONYM
- PG_PUBLICATION_REL
- PG_ENUM
- GS_MODEL_WAREHOUSE
- PG_ATTRIBUTE
- PG_TS_CONFIG
- PG_TS_DICT
- PG_DIRECTORY
- GS_AUDITING_POLICY_ACCESS
- PG_SECLABEL
- GS_ENCRYPTED_PROC
- PG_DEPEND
- GS_DB_PRIVILEGE
- GS_PACKAGE
- PG_CLASS
- PG_REPLICATION_ORIGIN
- PG_INHERITS
- PG_TS_TEMPLATE
- GS_CLIENT_GLOBAL_KEYS
- GS_UID
- PG_SUBSCRIPTION_REL
- PG_JOB
- PG_SET
- PG_DESCRIPTION
- GS_COLUMN_KEYS_ARGS
- GS_TXN_SNAPSHOT
- PGXC_SLICE
- GS_MASKING_POLICY_FILTERS
- GS_OPT_MODEL
- PG_LARGEOBJECT_METADATA
- PG_SHDESCRIPTION
- PG_APP_WORKLOADGROUP_MAPPING
- PG_OPCLASS
- PG_FOREIGN_DATA_WRAPPER
- PG_Extension
- PG_DB_ROLE_SETTING
- PG_EVENT_TRIGGER
- GS_WLM_EC_OPERATOR_INFO
- GS_ASP
- GS_GLOBAL_CONFIG
- GS_GLOBAL_CHAIN
- GS_WLM_SESSION_QUERY_INFO_ALL
- GS_WLM_PLAN_ENCODING_TABLE
- GS_WLM_USER_RESOURCE_HISTORY
- GS_AUDITING_POLICY_PRIVILEGES
- PG_HASHBUCKET
- PG_USER_MAPPING
- PG_RLSPOLICY
- PG_AUTHID
- PG_RESOURCE_POOL
- PG_STATISTIC
- GS_WLM_INSTANCE_HISTORY
- PG_WORKLOAD_GROUP
- PG_LARGEOBJECT
- PG_TABLESPACE
- GS_WLM_PLAN_OPERATOR_INFO
- PG_NAMESPACE
- PG_TRIGGER
- PG_DEFAULT_ACL
- PG_LANGUAGE
- GS_MASKING_POLICY
- GS_MATVIEW_DEPENDENCY
- PG_INDEX
- PG_AM
- GS_AUDITING_POLICY
- PG_OPFAMILY
- PGXC_NODE
- PG_CONSTRAINT
- GS_CLIENT_GLOBAL_KEYS_ARGS
- PG_REWRITE
- PG_SHSECLABEL
- PG_STATISTIC_EXT
- PG_AMOP
- GS_MASKING_POLICY_ACTIONS
- PG_CONVERSION
- PG_COLLATION
- PG_CAST
- PGXC_GROUP
- GS_ENCRYPTED_COLUMNS
- GS_SQL_PATCH
- PLAN_TABLE_DATA
- PG_FOREIGN_TABLE
- PG_DATABASE
- PG_AUTH_HISTORY
- GS_AUDITING_POLICY_FILTERS
- PG_AUTH_MEMBERS
- PG_PARTITION
- GS_MATVIEW
- GS_POLICY_LABEL
- PG_AGGREGATE
- PG_PLTEMPLATE
- PG_SHDEPEND
- PG_OPERATOR
- PG_SUBSCRIPTION
- PG_AMPROC
- PG_FOREIGN_SERVER
- PGXC_CLASS
- PG_ATTRDEF
- PG_PROC
- PG_PUBLICATION
- GS_COLUMN_KEYS
- PG_TS_PARSER
- PG_RANGE
- STATEMENT_HISTORY
- PG_Extension_DATA_SOURCE
- GS_RECYCLEBIN
- PG_TS_CONFIG_MAP
- 查看系统表
- 系统表和系统视图概述
- 系统视图
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