- About MogDB
- Quick Start
- MogDB Playground
- Container-based MogDB Installation
- Installation on a Single Node
- MogDB Access
- Use CLI to Access MogDB
- Use GUI to Access MogDB
- Use Middleware to Access MogDB
- Use Programming Language to Access MogDB
- Using Sample Dataset Mogila
- Characteristic Description
- Overview
- High Performance
- CBO Optimizer
- LLVM
- Vectorized Engine
- Hybrid Row-Column Store
- Adaptive Compression
- SQL by pass
- Kunpeng NUMA Architecture Optimization
- High Concurrency of Thread Pools
- SMP for Parallel Execution
- Xlog no Lock Flush
- Parallel Page-based Redo For Ustore
- Row-Store Execution to Vectorized Execution
- Astore Row Level Compression
- BTree Index Compression
- Tracing SQL Function
- Parallel Index Scan
- Enhancement of Tracing Backend Key Thread
- Ordering Operator Optimization
- High Availability (HA)
- Primary/Standby
- Logical Replication
- Logical Backup
- Physical Backup
- Automatic Job Retry upon Failure
- Ultimate RTO
- High Availability Based on the Paxos Protocol
- Cascaded Standby Server
- Delayed Replay
- Adding or Deleting a Standby Server
- Delaying Entering the Maximum Availability Mode
- Parallel Logical Decoding
- DCF
- CM(Cluster Manager)
- Global SysCache
- Using a Standby Node to Build a Standby Node
- Two City and Three Center DR
- CM Cluster Management Component Supporting Two Node Deployment
- Maintainability
- Database Security
- Access Control Model
- Separation of Control and Access Permissions
- Database Encryption Authentication
- Data Encryption and Storage
- Database Audit
- Network Communication Security
- Resource Label
- Unified Audit
- Dynamic Data Anonymization
- Row-Level Access Control
- Password Strength Verification
- Equality Query in a Fully-encrypted Database
- Ledger Database Mechanism
- Transparent Data Encryption
- Enterprise-Level Features
- Support for Functions and Stored Procedures
- SQL Hints
- Full-Text Indexing
- Copy Interface for Error Tolerance
- Partitioning
- Support for Advanced Analysis Functions
- Materialized View
- HyperLogLog
- Creating an Index Online
- Autonomous Transaction
- Global Temporary Table
- Pseudocolumn ROWNUM
- Stored Procedure Debugging
- JDBC Client Load Balancing and Read/Write Isolation
- In-place Update Storage Engine
- Publication-Subscription
- Foreign Key Lock Enhancement
- Data Compression in OLTP Scenarios
- Transaction Async Submit
- Index Creation Parallel Control
- Dynamic Partition Pruning
- COPY Import Optimization
- SQL Running Status Observation
- BRIN Index
- BLOOM Index
- Application Development Interfaces
- AI Capabilities
- AI4DB: Autonomous Database O&M
- DB4AI: Database-driven AI
- AI in DB
- ABO Optimizer
- Middleware
- Installation Guide
- Installation Preparation
- Container Installation
- PTK-based Installation
- OM-based Installation
- Manual Installation
- Recommended Parameter Settings
- Administrator Guide
- Localization
- Routine Maintenance
- Starting and Stopping MogDB
- Using the gsql Client for Connection
- Routine Maintenance
- Checking OS Parameters
- Checking MogDB Health Status
- Checking Database Performance
- Checking and Deleting Logs
- Checking Time Consistency
- Checking The Number of Application Connections
- Routinely Maintaining Tables
- Routinely Recreating an Index
- Exporting and Viewing the WDR
- Data Security Maintenance Suggestions
- Slow SQL Diagnosis
- Log Reference
- Primary and Standby Management
- MOT Engine
- Introducing MOT
- Using MOT
- Concepts of MOT
- Appendix
- Column-store Tables Management
- Backup and Restoration
- Two City and Three Center DR
- Importing and Exporting Data
- Importing Data
- Exporting Data
- Upgrade Guide
- AI Features Guide
- AI Features Overview
- AI4DB: Autonomous Database O&M
- DBMind Mode
- Components that Support DBMind
- AI Sub-functions of the DBMind
- X-Tuner: Parameter Tuning and Diagnosis
- Index-advisor: Index Recommendation
- Slow Query Diagnosis: Root Cause Analysis for Slow SQL Statements
- Forecast: Trend Prediction
- SQLdiag: Slow SQL Discovery
- SQL Rewriter
- Anomaly Detection
- DB4AI: Database-driven AI
- AI in DB
- Intelligence Explain: SQL Statement Query Time Prediction
- ABO Optimizer
- Intelligent Cardinality Estimation
- Adaptive Plan Selection
- Security Guide
- Developer Guide
- Application Development Guide
- Development Specifications
- Development Based on JDBC
- Overview
- JDBC Package, Driver Class, and Environment Class
- Development Process
- Loading the Driver
- Connecting to a Database
- Connecting to the Database (Using SSL)
- Connecting to the Database (Using UDS)
- Running SQL Statements
- Processing Data in a Result Set
- Closing a Connection
- Managing Logs
- Example: Common Operations
- Example: Retrying SQL Queries for Applications
- Example: Importing and Exporting Data Through Local Files
- Example 2: Migrating Data from a MY Database to MogDB
- Example: Logic Replication Code
- Example: Parameters for Connecting to the Database in Different Scenarios
- JDBC API Reference
- java.sql.Connection
- java.sql.CallableStatement
- java.sql.DatabaseMetaData
- java.sql.Driver
- java.sql.PreparedStatement
- java.sql.ResultSet
- java.sql.ResultSetMetaData
- java.sql.Statement
- javax.sql.ConnectionPoolDataSource
- javax.sql.DataSource
- javax.sql.PooledConnection
- javax.naming.Context
- javax.naming.spi.InitialContextFactory
- CopyManager
- JDBC-based Common Parameter Reference
- Development Based on ODBC
- Development Based on libpq
- Dependent Header Files of libpq
- Development Process
- Example
- Link Parameters
- libpq API Reference
- Database Connection Control Functions
- Database Statement Execution Functions
- Functions for Asynchronous Command Processing
- Functions for Canceling Queries in Progress
- Psycopg-Based Development
- Commissioning
- Stored Procedure
- User Defined Functions
- PL/pgSQL-SQL Procedural Language
- Scheduled Jobs
- Autonomous Transaction
- Logical Replication
- Extension
- Materialized View
- Materialized View Overview
- Full Materialized View
- Incremental Materialized View
- Partition Management
- Partition Pruning
- Recommendations For Choosing A Partitioning Strategy
- Application Development Guide
- Performance Tuning Guide
- System Optimization
- SQL Optimization
- WDR Snapshot
- Using the Vectorized Executor for Tuning
- TPC-C Performance Tunning Guide
- Reference Guide
- System Catalogs and System Views
- Overview of System Catalogs and System Views
- System Catalogs
- GS_ASP
- GS_AUDITING_POLICY
- GS_AUDITING_POLICY_ACCESS
- GS_AUDITING_POLICY_FILTERS
- GS_AUDITING_POLICY_PRIVILEGES
- GS_CLIENT_GLOBAL_KEYS
- GS_CLIENT_GLOBAL_KEYS_ARGS
- GS_COLUMN_KEYS
- GS_COLUMN_KEYS_ARGS
- GS_DB_PRIVILEGE
- GS_ENCRYPTED_COLUMNS
- GS_ENCRYPTED_PROC
- GS_GLOBAL_CHAIN
- GS_GLOBAL_CONFIG
- GS_MASKING_POLICY
- GS_MASKING_POLICY_ACTIONS
- GS_MASKING_POLICY_FILTERS
- GS_MATVIEW
- GS_MATVIEW_DEPENDENCY
- GS_MODEL_WAREHOUSE
- GS_OPT_MODEL
- GS_PACKAGE
- GS_POLICY_LABEL
- GS_RECYCLEBIN
- GS_TXN_SNAPSHOT
- GS_UID
- GS_WLM_EC_OPERATOR_INFO
- GS_WLM_INSTANCE_HISTORY
- GS_WLM_OPERATOR_INFO
- GS_WLM_PLAN_ENCODING_TABLE
- GS_WLM_PLAN_OPERATOR_INFO
- GS_WLM_SESSION_QUERY_INFO_ALL
- GS_WLM_USER_RESOURCE_HISTORY
- PG_AGGREGATE
- PG_AM
- PG_AMOP
- PG_AMPROC
- PG_APP_WORKLOADGROUP_MAPPING
- PG_ATTRDEF
- PG_ATTRIBUTE
- PG_AUTH_HISTORY
- PG_AUTH_MEMBERS
- PG_AUTHID
- PG_CAST
- PG_CLASS
- PG_COLLATION
- PG_CONSTRAINT
- PG_CONVERSION
- PG_DATABASE
- PG_DB_ROLE_SETTING
- PG_DEFAULT_ACL
- PG_DEPEND
- PG_DESCRIPTION
- PG_DIRECTORY
- PG_ENUM
- PG_EXTENSION
- PG_EXTENSION_DATA_SOURCE
- PG_FOREIGN_DATA_WRAPPER
- PG_FOREIGN_SERVER
- PG_FOREIGN_TABLE
- PG_HASHBUCKET
- PG_INDEX
- PG_INHERITS
- PG_JOB
- PG_JOB_PROC
- PG_LANGUAGE
- PG_LARGEOBJECT
- PG_LARGEOBJECT_METADATA
- PG_NAMESPACE
- PG_OBJECT
- PG_OPCLASS
- PG_OPERATOR
- PG_OPFAMILY
- PG_PARTITION
- PG_PLTEMPLATE
- PG_PROC
- PG_PUBLICATION
- PG_PUBLICATION_REL
- PG_RANGE
- PG_REPLICATION_ORIGIN
- PG_RESOURCE_POOL
- PG_REWRITE
- PG_RLSPOLICY
- PG_SECLABEL
- PG_SET
- PG_SHDEPEND
- PG_SHDESCRIPTION
- PG_SHSECLABEL
- PG_STATISTIC
- PG_STATISTIC_EXT
- PG_SUBSCRIPTION
- PG_SYNONYM
- PG_TABLESPACE
- PG_TRIGGER
- PG_TS_CONFIG
- PG_TS_CONFIG_MAP
- PG_TS_DICT
- PG_TS_PARSER
- PG_TS_TEMPLATE
- PG_TYPE
- PG_USER_MAPPING
- PG_USER_STATUS
- PG_WORKLOAD_GROUP
- PGXC_CLASS
- PGXC_GROUP
- PGXC_NODE
- PGXC_SLICE
- PLAN_TABLE_DATA
- STATEMENT_HISTORY
- System Views
- DV_SESSION_LONGOPS
- DV_SESSIONS
- GET_GLOBAL_PREPARED_XACTS(Discarded)
- GS_AUDITING
- GS_AUDITING_ACCESS
- GS_AUDITING_PRIVILEGE
- GS_ASYNC_SUBMIT_SESSIONS_STATUS
- GS_CLUSTER_RESOURCE_INFO
- GS_COMPRESSION
- GS_DB_PRIVILEGES
- GS_FILE_STAT
- GS_GSC_MEMORY_DETAIL
- GS_INSTANCE_TIME
- GS_LABELS
- GS_LSC_MEMORY_DETAIL
- GS_MASKING
- GS_MATVIEWS
- GS_OS_RUN_INFO
- GS_REDO_STAT
- GS_SESSION_CPU_STATISTICS
- GS_SESSION_MEMORY
- GS_SESSION_MEMORY_CONTEXT
- GS_SESSION_MEMORY_DETAIL
- GS_SESSION_MEMORY_STATISTICS
- GS_SESSION_STAT
- GS_SESSION_TIME
- GS_SQL_COUNT
- GS_STAT_SESSION_CU
- GS_THREAD_MEMORY_CONTEXT
- GS_TOTAL_MEMORY_DETAIL
- GS_WLM_CGROUP_INFO
- GS_WLM_EC_OPERATOR_STATISTICS
- GS_WLM_OPERATOR_HISTORY
- GS_WLM_OPERATOR_STATISTICS
- GS_WLM_PLAN_OPERATOR_HISTORY
- GS_WLM_REBUILD_USER_RESOURCE_POOL
- GS_WLM_RESOURCE_POOL
- GS_WLM_SESSION_HISTORY
- GS_WLM_SESSION_INFO
- GS_WLM_SESSION_INFO_ALL
- GS_WLM_SESSION_STATISTICS
- GS_WLM_USER_INFO
- GS_WRITE_TERM_LOG
- MPP_TABLES
- PG_AVAILABLE_EXTENSION_VERSIONS
- PG_AVAILABLE_EXTENSIONS
- PG_COMM_DELAY
- PG_COMM_RECV_STREAM
- PG_COMM_SEND_STREAM
- PG_COMM_STATUS
- PG_CONTROL_GROUP_CONFIG
- PG_CURSORS
- PG_EXT_STATS
- PG_GET_INVALID_BACKENDS
- PG_GET_SENDERS_CATCHUP_TIME
- PG_GROUP
- PG_GTT_ATTACHED_PIDS
- PG_GTT_RELSTATS
- PG_GTT_STATS
- PG_INDEXES
- PG_LOCKS
- PG_NODE_ENV
- PG_OS_THREADS
- PG_PREPARED_STATEMENTS
- PG_PREPARED_XACTS
- PG_PUBLICATION_TABLES
- PG_REPLICATION_ORIGIN_STATUS
- PG_REPLICATION_SLOTS
- PG_RLSPOLICIES
- PG_ROLES
- PG_RULES
- PG_RUNNING_XACTS
- PG_SECLABELS
- PG_SESSION_IOSTAT
- PG_SESSION_WLMSTAT
- PG_SETTINGS
- PG_SHADOW
- PG_STAT_ACTIVITY
- PG_STAT_ACTIVITY_NG
- PG_STAT_ALL_INDEXES
- PG_STAT_ALL_TABLES
- PG_STAT_BAD_BLOCK
- PG_STAT_BGWRITER
- PG_STAT_DATABASE
- PG_STAT_DATABASE_CONFLICTS
- PG_STAT_REPLICATION
- PG_STAT_SUBSCRIPTION
- PG_STAT_SYS_INDEXES
- PG_STAT_SYS_TABLES
- PG_STAT_USER_FUNCTIONS
- PG_STAT_USER_INDEXES
- PG_STAT_USER_TABLES
- PG_STAT_XACT_ALL_TABLES
- PG_STAT_XACT_SYS_TABLES
- PG_STAT_XACT_USER_FUNCTIONS
- PG_STAT_XACT_USER_TABLES
- PG_STATIO_ALL_INDEXES
- PG_STATIO_ALL_SEQUENCES
- PG_STATIO_ALL_TABLES
- PG_STATIO_SYS_INDEXES
- PG_STATIO_SYS_SEQUENCES
- PG_STATIO_SYS_TABLES
- PG_STATIO_USER_INDEXES
- PG_STATIO_USER_SEQUENCES
- PG_STATIO_USER_TABLES
- PG_STATS
- PG_TABLES
- PG_TDE_INFO
- PG_THREAD_WAIT_STATUS
- PG_TIMEZONE_ABBREVS
- PG_TIMEZONE_NAMES
- PG_TOTAL_MEMORY_DETAIL
- PG_TOTAL_USER_RESOURCE_INFO
- PG_TOTAL_USER_RESOURCE_INFO_OID
- PG_USER
- PG_USER_MAPPINGS
- PG_VARIABLE_INFO
- PG_VIEWS
- PG_WLM_STATISTICS
- PGXC_PREPARED_XACTS
- PLAN_TABLE
- Functions and Operators
- Logical Operators
- Comparison Operators
- Character Processing Functions and Operators
- Binary String Functions and Operators
- Bit String Functions and Operators
- Mode Matching Operators
- Mathematical Functions and Operators
- Date and Time Processing Functions and Operators
- Type Conversion Functions
- Geometric Functions and Operators
- Network Address Functions and Operators
- Text Search Functions and Operators
- JSON/JSONB Functions and Operators
- HLL Functions and Operators
- SEQUENCE Functions
- Array Functions and Operators
- Range Functions and Operators
- Aggregate Functions
- Window Functions(Analysis Functions)
- Security Functions
- Ledger Database Functions
- Encrypted Equality Functions
- Set Returning Functions
- Conditional Expression Functions
- System Information Functions
- System Administration Functions
- Configuration Settings Functions
- Universal File Access Functions
- Server Signal Functions
- Backup and Restoration Control Functions
- Snapshot Synchronization Functions
- Database Object Functions
- Advisory Lock Functions
- Logical Replication Functions
- Segment-Page Storage Functions
- Other Functions
- Undo System Functions
- Row-Store Compression System Functions
- Statistics Information Functions
- Trigger Functions
- Hash Function
- Prompt Message Function
- Global Temporary Table Functions
- Fault Injection System Function
- AI Feature Functions
- Dynamic Data Masking Functions
- Other System Functions
- Internal Functions
- Global SysCache Feature Functions
- Data Damage Detection and Repair Functions
- Obsolete Functions
- Supported Data Types
- Numeric Types
- Monetary Types
- Boolean Types
- Enumerated Types
- Character Types
- Binary Types
- Date/Time Types
- Geometric
- Network Address Types
- Bit String Types
- Text Search Types
- UUID
- JSON/JSONB Types
- HLL
- Array Types
- Range
- OID Types
- Pseudo-Types
- Data Types Supported by Column-store Tables
- XML Types
- Data Type Used by the Ledger Database
- SET Type
- SQL Syntax
- ABORT
- ALTER AGGREGATE
- ALTER AUDIT POLICY
- ALTER DATABASE
- ALTER DATA SOURCE
- ALTER DEFAULT PRIVILEGES
- ALTER DIRECTORY
- ALTER EXTENSION
- ALTER FOREIGN TABLE
- ALTER FUNCTION
- ALTER GLOBAL CONFIGURATION
- ALTER GROUP
- ALTER INDEX
- ALTER LANGUAGE
- ALTER LARGE OBJECT
- ALTER MASKING POLICY
- ALTER MATERIALIZED VIEW
- ALTER PACKAGE
- ALTER PROCEDURE
- ALTER PUBLICATION
- ALTER RESOURCE LABEL
- ALTER RESOURCE POOL
- ALTER ROLE
- ALTER ROW LEVEL SECURITY POLICY
- ALTER RULE
- ALTER SCHEMA
- ALTER SEQUENCE
- ALTER SERVER
- ALTER SESSION
- ALTER SUBSCRIPTION
- ALTER SYNONYM
- ALTER SYSTEM KILL SESSION
- ALTER SYSTEM SET
- ALTER TABLE
- ALTER TABLE PARTITION
- ALTER TABLE SUBPARTITION
- ALTER TABLESPACE
- ALTER TEXT SEARCH CONFIGURATION
- ALTER TEXT SEARCH DICTIONARY
- ALTER TRIGGER
- ALTER TYPE
- ALTER USER
- ALTER USER MAPPING
- ALTER VIEW
- ANALYZE | ANALYSE
- BEGIN
- CALL
- CHECKPOINT
- CLEAN CONNECTION
- CLOSE
- CLUSTER
- COMMENT
- COMMIT | END
- COMMIT PREPARED
- CONNECT BY
- COPY
- CREATE AGGREGATE
- CREATE AUDIT POLICY
- CREATE CAST
- CREATE CLIENT MASTER KEY
- CREATE COLUMN ENCRYPTION KEY
- CREATE DATABASE
- CREATE DATA SOURCE
- CREATE DIRECTORY
- CREATE EXTENSION
- CREATE FOREIGN TABLE
- CREATE FUNCTION
- CREATE GROUP
- CREATE INCREMENTAL MATERIALIZED VIEW
- CREATE INDEX
- CREATE LANGUAGE
- CREATE MASKING POLICY
- CREATE MATERIALIZED VIEW
- CREATE MODEL
- CREATE OPERATOR
- CREATE PACKAGE
- CREATE PROCEDURE
- CREATE PUBLICATION
- CREATE RESOURCE LABEL
- CREATE RESOURCE POOL
- CREATE ROLE
- CREATE ROW LEVEL SECURITY POLICY
- CREATE RULE
- CREATE SCHEMA
- CREATE SEQUENCE
- CREATE SERVER
- CREATE SUBSCRIPTION
- CREATE SYNONYM
- CREATE TABLE
- CREATE TABLE AS
- CREATE TABLE PARTITION
- CREATE TABLE SUBPARTITION
- CREATE TABLESPACE
- CREATE TEXT SEARCH CONFIGURATION
- CREATE TEXT SEARCH DICTIONARY
- CREATE TRIGGER
- CREATE TYPE
- CREATE USER
- CREATE USER MAPPING
- CREATE VIEW
- CREATE WEAK PASSWORD DICTIONARY
- CURSOR
- DEALLOCATE
- DECLARE
- DELETE
- DO
- DROP AGGREGATE
- DROP AUDIT POLICY
- DROP CAST
- DROP CLIENT MASTER KEY
- DROP COLUMN ENCRYPTION KEY
- DROP DATABASE
- DROP DATA SOURCE
- DROP DIRECTORY
- DROP EXTENSION
- DROP FOREIGN TABLE
- DROP FUNCTION
- DROP GLOBAL CONFIGURATION
- DROP GROUP
- DROP INDEX
- DROP LANGUAGE
- DROP MASKING POLICY
- DROP MATERIALIZED VIEW
- DROP MODEL
- DROP OPERATOR
- DROP OWNED
- DROP PACKAGE
- DROP PROCEDURE
- DROP PUBLICATION
- DROP RESOURCE LABEL
- DROP RESOURCE POOL
- DROP ROLE
- DROP ROW LEVEL SECURITY POLICY
- DROP RULE
- DROP SCHEMA
- DROP SEQUENCE
- DROP SERVER
- DROP SUBSCRIPTION
- DROP SYNONYM
- DROP TABLE
- DROP TABLESPACE
- DROP TEXT SEARCH CONFIGURATION
- DROP TEXT SEARCH DICTIONARY
- DROP TRIGGER
- DROP TYPE
- DROP USER
- DROP USER MAPPING
- DROP VIEW
- DROP WEAK PASSWORD DICTIONARY
- EXECUTE
- EXECUTE DIRECT
- EXPLAIN
- EXPLAIN PLAN
- FETCH
- GRANT
- INSERT
- LOCK
- MERGE INTO
- MOVE
- PREDICT BY
- PREPARE
- PREPARE TRANSACTION
- PURGE
- REASSIGN OWNED
- REFRESH INCREMENTAL MATERIALIZED VIEW
- REFRESH MATERIALIZED VIEW
- REINDEX
- RELEASE SAVEPOINT
- RESET
- REVOKE
- ROLLBACK
- ROLLBACK PREPARED
- ROLLBACK TO SAVEPOINT
- SAVEPOINT
- SELECT
- SELECT INTO
- SET
- SET CONSTRAINTS
- SET ROLE
- SET SESSION AUTHORIZATION
- SET TRANSACTION
- SHOW
- SHUTDOWN
- SNAPSHOT
- START TRANSACTION
- TIMECAPSULE TABLE
- TRUNCATE
- UPDATE
- VACUUM
- VALUES
- SHRINK
- SQL Reference
- MogDB SQL
- Keywords
- Constant and Macro
- Expressions
- Type Conversion
- Full Text Search
- Introduction
- Tables and Indexes
- Controlling Text Search
- Additional Features
- Parser
- Dictionaries
- Configuration Examples
- Testing and Debugging Text Search
- Limitations
- System Operation
- Controlling Transactions
- DDL Syntax Overview
- DML Syntax Overview
- DCL Syntax Overview
- Appendix
- GUC Parameters
- GUC Parameter Usage
- GUC Parameter List
- File Location
- Connection and Authentication
- Resource Consumption
- Write Ahead Log
- HA Replication
- Memory Table
- Query Planning
- Error Reporting and Logging
- Alarm Detection
- Statistics During the Database Running
- Load Management
- Automatic Vacuuming
- Default Settings of Client Connection
- Lock Management
- Version and Platform Compatibility
- Faut Tolerance
- Connection Pool Parameters
- MogDB Transaction
- Replication Parameters of Two Database Instances
- Developer Options
- Auditing
- CM Parameters
- Upgrade Parameters
- Miscellaneous Parameters
- Wait Events
- Query
- System Performance Snapshot
- Security Configuration
- Global Temporary Table
- HyperLogLog
- Scheduled Task
- Thread Pool
- User-defined Functions
- Backup and Restoration
- Undo
- DCF Parameters Settings
- Flashback
- Rollback Parameters
- Reserved Parameters
- AI Features
- Global SysCache Parameters
- Parameters Related to Efficient Data Compression Algorithms
- Appendix
- Schema
- Overview
- Information Schema
- DBE_PERF
- Overview
- OS
- Instance
- Memory
- File
- Object
- STAT_USER_TABLES
- SUMMARY_STAT_USER_TABLES
- GLOBAL_STAT_USER_TABLES
- STAT_USER_INDEXES
- SUMMARY_STAT_USER_INDEXES
- GLOBAL_STAT_USER_INDEXES
- STAT_SYS_TABLES
- SUMMARY_STAT_SYS_TABLES
- GLOBAL_STAT_SYS_TABLES
- STAT_SYS_INDEXES
- SUMMARY_STAT_SYS_INDEXES
- GLOBAL_STAT_SYS_INDEXES
- STAT_ALL_TABLES
- SUMMARY_STAT_ALL_TABLES
- GLOBAL_STAT_ALL_TABLES
- STAT_ALL_INDEXES
- SUMMARY_STAT_ALL_INDEXES
- GLOBAL_STAT_ALL_INDEXES
- STAT_DATABASE
- SUMMARY_STAT_DATABASE
- GLOBAL_STAT_DATABASE
- STAT_DATABASE_CONFLICTS
- SUMMARY_STAT_DATABASE_CONFLICTS
- GLOBAL_STAT_DATABASE_CONFLICTS
- STAT_XACT_ALL_TABLES
- SUMMARY_STAT_XACT_ALL_TABLES
- GLOBAL_STAT_XACT_ALL_TABLES
- STAT_XACT_SYS_TABLES
- SUMMARY_STAT_XACT_SYS_TABLES
- GLOBAL_STAT_XACT_SYS_TABLES
- STAT_XACT_USER_TABLES
- SUMMARY_STAT_XACT_USER_TABLES
- GLOBAL_STAT_XACT_USER_TABLES
- STAT_XACT_USER_FUNCTIONS
- SUMMARY_STAT_XACT_USER_FUNCTIONS
- GLOBAL_STAT_XACT_USER_FUNCTIONS
- STAT_BAD_BLOCK
- SUMMARY_STAT_BAD_BLOCK
- GLOBAL_STAT_BAD_BLOCK
- STAT_USER_FUNCTIONS
- SUMMARY_STAT_USER_FUNCTIONS
- GLOBAL_STAT_USER_FUNCTIONS
- Workload
- Session/Thread
- SESSION_STAT
- GLOBAL_SESSION_STAT
- SESSION_TIME
- GLOBAL_SESSION_TIME
- SESSION_MEMORY
- GLOBAL_SESSION_MEMORY
- SESSION_MEMORY_DETAIL
- GLOBAL_SESSION_MEMORY_DETAIL
- SESSION_STAT_ACTIVITY
- GLOBAL_SESSION_STAT_ACTIVITY
- THREAD_WAIT_STATUS
- GLOBAL_THREAD_WAIT_STATUS
- LOCAL_THREADPOOL_STATUS
- GLOBAL_THREADPOOL_STATUS
- SESSION_CPU_RUNTIME
- SESSION_MEMORY_RUNTIME
- STATEMENT_IOSTAT_COMPLEX_RUNTIME
- LOCAL_ACTIVE_SESSION
- Transaction
- Query
- STATEMENT
- SUMMARY_STATEMENT
- STATEMENT_COUNT
- GLOBAL_STATEMENT_COUNT
- SUMMARY_STATEMENT_COUNT
- GLOBAL_STATEMENT_COMPLEX_HISTORY
- GLOBAL_STATEMENT_COMPLEX_HISTORY_TABLE
- GLOBAL_STATEMENT_COMPLEX_RUNTIME
- STATEMENT_RESPONSETIME_PERCENTILE
- STATEMENT_COMPLEX_RUNTIME
- STATEMENT_COMPLEX_HISTORY_TABLE
- STATEMENT_COMPLEX_HISTORY
- STATEMENT_WLMSTAT_COMPLEX_RUNTIME
- STATEMENT_HISTORY
- Cache/IO
- STATIO_USER_TABLES
- SUMMARY_STATIO_USER_TABLES
- GLOBAL_STATIO_USER_TABLES
- STATIO_USER_INDEXES
- SUMMARY_STATIO_USER_INDEXES
- GLOBAL_STATIO_USER_INDEXES
- STATIO_USER_SEQUENCES
- SUMMARY_STATIO_USER_SEQUENCES
- GLOBAL_STATIO_USER_SEQUENCES
- STATIO_SYS_TABLES
- SUMMARY_STATIO_SYS_TABLES
- GLOBAL_STATIO_SYS_TABLES
- STATIO_SYS_INDEXES
- SUMMARY_STATIO_SYS_INDEXES
- GLOBAL_STATIO_SYS_INDEXES
- STATIO_SYS_SEQUENCES
- SUMMARY_STATIO_SYS_SEQUENCES
- GLOBAL_STATIO_SYS_SEQUENCES
- STATIO_ALL_TABLES
- SUMMARY_STATIO_ALL_TABLES
- GLOBAL_STATIO_ALL_TABLES
- STATIO_ALL_INDEXES
- SUMMARY_STATIO_ALL_INDEXES
- GLOBAL_STATIO_ALL_INDEXES
- STATIO_ALL_SEQUENCES
- SUMMARY_STATIO_ALL_SEQUENCES
- GLOBAL_STATIO_ALL_SEQUENCES
- GLOBAL_STAT_DB_CU
- GLOBAL_STAT_SESSION_CU
- Utility
- REPLICATION_STAT
- GLOBAL_REPLICATION_STAT
- REPLICATION_SLOTS
- GLOBAL_REPLICATION_SLOTS
- BGWRITER_STAT
- GLOBAL_BGWRITER_STAT
- GLOBAL_CKPT_STATUS
- GLOBAL_DOUBLE_WRITE_STATUS
- GLOBAL_PAGEWRITER_STATUS
- GLOBAL_RECORD_RESET_TIME
- GLOBAL_REDO_STATUS
- GLOBAL_RECOVERY_STATUS
- CLASS_VITAL_INFO
- USER_LOGIN
- SUMMARY_USER_LOGIN
- GLOBAL_GET_BGWRITER_STATUS
- GLOBAL_SINGLE_FLUSH_DW_STATUS
- GLOBAL_CANDIDATE_STATUS
- Lock
- Wait Events
- Configuration
- Operator
- Workload Manager
- Global Plancache
- RTO
- DBE_PLDEBUGGER Schema
- Overview
- DBE_PLDEBUGGER.turn_on
- DBE_PLDEBUGGER.turn_off
- DBE_PLDEBUGGER.local_debug_server_info
- DBE_PLDEBUGGER.attach
- DBE_PLDEBUGGER.info_locals
- DBE_PLDEBUGGER.next
- DBE_PLDEBUGGER.continue
- DBE_PLDEBUGGER.abort
- DBE_PLDEBUGGER.print_var
- DBE_PLDEBUGGER.info_code
- DBE_PLDEBUGGER.step
- DBE_PLDEBUGGER.add_breakpoint
- DBE_PLDEBUGGER.delete_breakpoint
- DBE_PLDEBUGGER.info_breakpoints
- DBE_PLDEBUGGER.backtrace
- DBE_PLDEBUGGER.disable_breakpoint
- DBE_PLDEBUGGER.enable_breakpoint
- DBE_PLDEBUGGER.finish
- DBE_PLDEBUGGER.set_var
- DB4AI Schema
- DBE_PLDEVELOPER
- Tool Reference
- Tool Overview
- Client Tool
- Server Tools
- Tools Used in the Internal System
- Unified Database Management Tool
- FAQ
- Functions of MogDB Executable Scripts
- System Catalogs and Views Supported by gs_collector
- Error Code Reference
- Description of SQL Error Codes
- Third-Party Library Error Codes
- GAUSS-00001 - GAUSS-00100
- GAUSS-00101 - GAUSS-00200
- GAUSS 00201 - GAUSS 00300
- GAUSS 00301 - GAUSS 00400
- GAUSS 00401 - GAUSS 00500
- GAUSS 00501 - GAUSS 00600
- GAUSS 00601 - GAUSS 00700
- GAUSS 00701 - GAUSS 00800
- GAUSS 00801 - GAUSS 00900
- GAUSS 00901 - GAUSS 01000
- GAUSS 01001 - GAUSS 01100
- GAUSS 01101 - GAUSS 01200
- GAUSS 01201 - GAUSS 01300
- GAUSS 01301 - GAUSS 01400
- GAUSS 01401 - GAUSS 01500
- GAUSS 01501 - GAUSS 01600
- GAUSS 01601 - GAUSS 01700
- GAUSS 01701 - GAUSS 01800
- GAUSS 01801 - GAUSS 01900
- GAUSS 01901 - GAUSS 02000
- GAUSS 02001 - GAUSS 02100
- GAUSS 02101 - GAUSS 02200
- GAUSS 02201 - GAUSS 02300
- GAUSS 02301 - GAUSS 02400
- GAUSS 02401 - GAUSS 02500
- GAUSS 02501 - GAUSS 02600
- GAUSS 02601 - GAUSS 02700
- GAUSS 02701 - GAUSS 02800
- GAUSS 02801 - GAUSS 02900
- GAUSS 02901 - GAUSS 03000
- GAUSS 03001 - GAUSS 03100
- GAUSS 03101 - GAUSS 03200
- GAUSS 03201 - GAUSS 03300
- GAUSS 03301 - GAUSS 03400
- GAUSS 03401 - GAUSS 03500
- GAUSS 03501 - GAUSS 03600
- GAUSS 03601 - GAUSS 03700
- GAUSS 03701 - GAUSS 03800
- GAUSS 03801 - GAUSS 03900
- GAUSS 03901 - GAUSS 04000
- GAUSS 04001 - GAUSS 04100
- GAUSS 04101 - GAUSS 04200
- GAUSS 04201 - GAUSS 04300
- GAUSS 04301 - GAUSS 04400
- GAUSS 04401 - GAUSS 04500
- GAUSS 04501 - GAUSS 04600
- GAUSS 04601 - GAUSS 04700
- GAUSS 04701 - GAUSS 04800
- GAUSS 04801 - GAUSS 04900
- GAUSS 04901 - GAUSS 05000
- GAUSS 05001 - GAUSS 05100
- GAUSS 05101 - GAUSS 05200
- GAUSS 05201 - GAUSS 05300
- GAUSS 05301 - GAUSS 05400
- GAUSS 05401 - GAUSS 05500
- GAUSS 05501 - GAUSS 05600
- GAUSS 05601 - GAUSS 05700
- GAUSS 05701 - GAUSS 05800
- GAUSS 05801 - GAUSS 05900
- GAUSS 05901 - GAUSS 06000
- GAUSS 06001 - GAUSS 06100
- GAUSS 06101 - GAUSS 06200
- GAUSS 06201 - GAUSS 06300
- GAUSS 06301 - GAUSS 06400
- GAUSS 06401 - GAUSS 06500
- GAUSS 06501 - GAUSS 06600
- GAUSS 06601 - GAUSS 06700
- GAUSS 06701 - GAUSS 06800
- GAUSS 06801 - GAUSS 06900
- GAUSS 06901 - GAUSS 07000
- GAUSS 07001 - GAUSS 07100
- GAUSS 07101 - GAUSS 07200
- GAUSS 07201 - GAUSS 07300
- GAUSS 07301 - GAUSS 07400
- GAUSS 07401 - GAUSS 07480
- GAUSS 50000 - GAUSS 50999
- GAUSS 51000 - GAUSS 51999
- GAUSS 52000 - GAUSS 52999
- GAUSS 53000 - GAUSS 53799
- Error Log Reference
- System Catalogs and System Views
- Common Faults and Identification
- Common Fault Locating Methods
- Common Fault Locating Cases
- Core Fault Locating
- Permission/Session/Data Type Fault Location
- Service/High Availability/Concurrency Fault Location
- Standby Node in the Need Repair (WAL) State
- Service Startup Failure
- Primary Node Is Hung in Demoting During a Switchover
- "too many clients already" Is Reported or Threads Failed To Be Created in High Concurrency Scenarios
- Performance Deterioration Caused by Dirty Page Flushing Efficiency During TPCC High Concurrentcy Long Term Stable Running
- Table/Partition Table Fault Location
- File System/Disk/Memory Fault Location
- After You Run the du Command to Query Data File Size In the XFS File System, the Query Result Is Greater than the Actual File Size
- File Is Damaged in the XFS File System
- Insufficient Memory
- "Error:No space left on device" Is Displayed
- When the TPC-C is running and a disk to be injected is full, the TPC-C stops responding
- Disk Space Usage Reaches the Threshold and the Database Becomes Read-only
- SQL Fault Location
- Index Fault Location
- CM Two-Node Fault Location
- Source Code Parsing
- FAQs
- Glossary
- Communication Matrix
- Mogeaver
GAUSS-00501 - GAUSS-00600
GAUSS-00501 - GAUSS-00510
GAUSS-00501: "template database '%s' does not exist"
SQLSTATE: 3D000
Description: The template database template1 does not exist.
Solution: The template1 database is lost due to a database system exception. Restart the database or manually create the template1 database.
GAUSS-00502: "permission denied to copy database '%s'"
SQLSTATE: 42501
Description: In the syntax for creating a database, if the original database is not a template database, the user role does not have permission to create a database.
Solution: In the syntax for creating a database, if the original database is not a template database, only users who have the CREATEDB permission or the system administrator can create a database. Ensure that the user has the required permission.
GAUSS-00503: "invalid server encoding %d"
SQLSTATE: 42809
Description: In the syntax for creating a database, the specified encoding format is invalid.
Solution: Ensure that the encoding format must be GBK, UTF8, or Latin1.
GAUSS-00504: "invalid locale name: '%s'"
SQLSTATE: 42809
Description: When you create a database, the specified database character set is invalid.
Solution: In the syntax for creating a database, ensure that the character set specified for the new database must match that of the template database. Use the show lc_collate; command to query the character set of the template database.
GAUSS-00505: "new encoding (%s) is incompatible with the encoding of the template database (%s)"
SQLSTATE: 22023
Description: In the syntax for creating a database, the character encoding specified for the new database does not match that of the template database template0.
Solution: In the syntax for creating a database, ensure that the character encoding specified for the new database must match that of the template database template0. Use show server_encoding; to query the character encoding of the template database template0. Then, modify the character encoding specified for the created database.
GAUSS-00506: "new collation (%s) is incompatible with the collation of the template database (%s)"
SQLSTATE: 22023
Description: In the syntax for creating a database, the character set specified for the new database does not match that of the template database template0.
Solution: In the syntax for creating a database, ensure that the character set specified for the new database must match that of the template database template0. Use the show lc_collate; command to query the character set of the template database template0. Then, modify the character set specified for the created database.
GAUSS-00507: "new LC_CTYPE (%s) is incompatible with the LC_CTYPE of the template database (%s)"
SQLSTATE: 22023
Description: In the syntax for creating a database, the character type specified for the new database does not match that of the template database template0.
Solution: In the syntax for creating a database, ensure that the character type specified for the new database must match that of the template database template0. Use the show lc_ctype; command to query the character type of the template database template0. Then, modify the character type specified for the created database.
GAUSS-00508: "pg_global cannot be used as default tablespace"
SQLSTATE: 22023
Description: In the syntax for creating a database, the default tablespace specified for the new database is pg_global.
Solution: In the syntax for creating a database, ensure that the default tablespace specified for the new database is not pg_global. Currently, only the default tablespace is supported.
GAUSS-00509: "cannot assign new default tablespace '%s'"
SQLSTATE: 0A000
Description: In the syntax for creating a database, the default tablespace specified for the new database is pg_global.
Solution: In the syntax for creating a database, ensure that the directory for the tablespace is valid when specifying a tablespace other than the default tablespace and the global tablespace for the new tablespace. If the directory is invalid, create a valid directory.
GAUSS-00510: "database '%s' already exists"
SQLSTATE: 42P04
Description: The database name already exists.
Solution: Use the \l command to check whether the database name exists. If yes, rename the database.
GAUSS-00511 - GAUSS-00520
GAUSS-00511: "source database '%s' is being accessed by other users"
SQLSTATE: 55006
Description: The database is being accessed by other users.
Solution: If it is accessed by other users, data is inconsistent. In this case, deny access by other users and log in to the database again.
GAUSS-00512: "encoding '%s' does not match locale '%s'"
SQLSTATE: 22023
Description: The character encoding specified by the currently created database does not match that obtained from a specified character type.
Solution: Ensure that the character encoding specified by the currently created database matches that obtained from a specified character type. If they are inconsistent, specify them to be the same when creating data again.
GAUSS-00513: "database '%s' does not exist"
SQLSTATE: 3D000
Description: When the DROP DATABASE syntax is used to delete a database, this database does not exist or is invalid.
Solution: Ensure that the deleted database is a valid one.
GAUSS-00514: "cannot drop a template database"
SQLSTATE: 42809
Description: Attempting to delete the template database template0 or template1 is an invalid operation.
Solution: Specify a database to be deleted again because the default template database template0 or template1 cannot be deleted.
GAUSS-00515: "cannot drop the currently open database"
SQLSTATE: 55006
Description: The database to be deleted is being accessed by other users and cannot be deleted.
Solution: Ensure that the database to be deleted is not being accessed by other users and instruct the users to log out of the database and then delete the database again.
GAUSS-00516: "cannot drop the default database"
SQLSTATE: 42809
Description: Invalid operation to delete the default database postgres.
Solution: Do not delete the default database postgres.
GAUSS-00517: "database '%s' is being accessed by other users"
SQLSTATE: 55006
Description: The database is being accessed by other users.
Solution: If it is accessed by other users, data is inconsistent. In this case, deny access by other users and delete the database again.
GAUSS-00519: "permission denied to rename database"
SQLSTATE: 42501
Description: You do not have permission to change the database name.
Solution: Change the database name as a database owner or an administrator user.
GAUSS-00520: "current database cannot be renamed"
SQLSTATE: 0A000
Description: The name of a database in use cannot be changed.
Solution: Do not change the name of the database in use.
GAUSS-00521 - GAUSS-00530
GAUSS-00521: "cannot change the tablespace of the currently open database"
SQLSTATE: 55006
Description: When a database is being accessed by other users, its tablespace cannot be modified using the ALTER DATABASE SET TABLESPACE syntax.
Solution: Ensure that other users are not accessing the database when modifying the database tablespace. If the database has been accessed by other users, log out of the database and attempt to modify the tablespace of the database again.
GAUSS-00522: "some relations of database '%s' are already in tablespace '%s'"
SQLSTATE: 55000
Description: If relationship objects, such as tables, indexes, and views, exist in the tablespace directory of a database, its tablespace cannot be modified using the ALTER DATABASE SET TABLESPACE syntax.
Solution: Ensure that no relationship objects, such as tables, indexes, and views, exist in a database when modifying the database tablespace. If such relationship objects exist, delete them and then attempt to modify the tablespace again.
GAUSS-00523: "could not remove directory '%s': %m"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00524: "permission denied to change owner of database"
SQLSTATE: 42501
Description: You do not have permission to modify the database owner using the ALTER DATABASE name OWNER TO newowner syntax.
Solution: Modify the database owner as a database owner or an administrator user using the ALTER DATABASE name OWNER TO newowner syntax.
GAUSS-00526: "could not create directory '%s': %m"
SQLSTATE: XX000
Description: When a database tablespace is being created, the following exceptions may occur in the directory of this tablespace: 1. The current user is not an administrator user and does not have permission to access this directory. 2. The file system is read-only. 3. This directory already exists. 4. Disk space is insufficient for creating a directory. 5. Hardware faults result in I/O errors. 6. An internal error occurs in MogDB. "
Solution: Perform the following operations to resolve the problems: 1. Ensure that the current user is an administrator user or has the database creation permission. 2. Change the file system permissions to read and write permissions if the file system is read-only. 3. Do not create a tablespace if the tablespace directory exists.
GAUSS-00527: "could not stat directory '%s': %m"
SQLSTATE: XX000
Description: The directory of a database tablespace to be created does not exist or the directory name is invalid.
Solution: Ensure that the directory of a database tablespace to be created is valid.
GAUSS-00528: "'%s' exists but is not a directory"
SQLSTATE: 42809
Description: The directory of a database tablespace to be created is incorrect.
Solution: Ensure that the directory of a database tablespace to be created is valid.
GAUSS-00529: "Permission denied to create tablespace '%s'."
SQLSTATE: 42501
Description: You do not have permission to create a tablespace in the database.
Solution: Create a tablespace in the database as a system administrator.
GAUSS-00530: "tablespace location cannot contain single quotes"
SQLSTATE: 42602
Description: When the CREATE TABLESPACE tablespace_name …LOCATION syntax is used to specify a tablespace directory, the location information strings are marked with single quotation marks (").
Solution: Mark location information strings with double quotation marks ("").
GAUSS-00531 - GAUSS-00540
GAUSS-00531: "tablespace location must be an absolute path"
SQLSTATE: 42P17
Description: When the CREATE TABLESPACE tablespace_name …LOCATION syntax is used to specify a tablespace directory, the location information strings indicate an incorrect path.
Solution: Specify an absolute path using the location information string.
GAUSS-00532: "tablespace location '%s' is too long"
SQLSTATE: 42P17
Description: When the CREATE TABLESPACE tablespace_name…LOCATION syntax is used to specify the length of a tablespace directory, the length value of the tablespace directory is greater than 1024.
Solution: Change the length value of the tablespace directory to a value less than or equal to 1024.
GAUSS-00533: "unacceptable tablespace name '%s'"
SQLSTATE: 42939
Description: When the CREATE TABLESPACE tablespace_name syntax is used to create a tablespace, the tablespace name is invalid.
Solution: Ensure that the tablespace name is unique in the database and does not start with pg which is used to name system tablespaces.
GAUSS-00534: "tablespace '%s' already exists"
SQLSTATE: 42710
Description: The tablespace name already exists.
Solution: Run \db to check whether the tablespace name exists. If yes, rename the tablespace.
GAUSS-00535: "tablespaces are not supported on this platform"
SQLSTATE: 0A000
Description: Tablespaces are not supported.
Solution: Do not use tablespaces.
GAUSS-00536: "Tablespace '%s' does not exist."
SQLSTATE: 42704
Description: The tablespace deleted using DROP TABLESPACE does not exist.
Solution: Run \db to check whether the tablespace name exists. Only tablespaces that exist in the database can be deleted.
GAUSS-00537: "tablespace '%s' is used by partitioned table '%s'"
SQLSTATE: 0A000
Description: Invalid operation to delete the tablespace used by a partitioned table.
Solution: Do not delete the tablespace that has been used by a partitioned table.
GAUSS-00538: "tablespace '%s' is not empty"
SQLSTATE: 55000
Description: The tablespace to be deleted is not empty.
Solution: Delete a tablespace only when it is empty.
GAUSS-00539: "directory '%s' does not exist"
SQLSTATE: 58P01
Description: When creating a tablespace, the tablespace directory $PGDATA/pg_tblspc/ does not exist.
Solution: Check whether the tablespace directory $PGDATA/pg_tblspc/ exists before creating a tablespace. If the directory does not exist, restart the database or a single node.
GAUSS-00540: "could not set permissions on directory '%s': %m"
SQLSTATE: XX000
Description: When creating a tablespace, read, write, and execute permissions failed to be set for the tablespace directory $PGDATA/pg_tblspc/.
Solution: Perform the following operations to resolve the problems:
- Ensure that the current user is an administrator user or has the database creation permission.
- Change the file system permissions to read and write permissions if the file system is read-only.
- Do not create a tablespace if the tablespace directory exists.
GAUSS-00541 - GAUSS-00550
GAUSS-00541: "directory '%s' already in use as a tablespace"
SQLSTATE: 55006
Description: The tablespace directory to be created exists.
Solution: Define the tablespace in another directory.
GAUSS-00542: "could not remove symbolic link '%s': %m"
SQLSTATE: XX000
Description: Failed to remove a sign-linking file.
Solution: Ensure that the symbol link points to a valid file.
GAUSS-00543: "could not create symbolic link '%s': %m"
SQLSTATE: XX000
Description: Failed to create a sign-linking file.
Solution: Check the error code to determine the error causes, such as no permission, insufficient disk space, and existed file. Then, handle the error based on the causes.
GAUSS-00544: "tablespace '%s' does not exist"
SQLSTATE: 42704
Description: The tablespace does not exist.
Solution: Ensure that the tablespace exists in the pg_tablespace system catalog.
GAUSS-00546: "could not create tablespace directory '%s': %m"
SQLSTATE: XX000
Description: Failed to create a tablespace.
Solution: Check the error code to determine the error causes, such as no permission, insufficient disk space, and existed file. Then, handle the error based on the causes.
GAUSS-00547: "could not access directory '%s': %m"
SQLSTATE: XX000
Description: Failed to access a tablespace directory.
Solution: Check the error code to determine the error causes, such as no permission, insufficient disk space, and existed file. Then, handle the error based on the causes.
GAUSS-00548: "tblspc_redo: unknown op code %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00549: "'%s' is an aggregate function"
SQLSTATE: 42809
Description: 1. Failed to delete an aggregate function using DROP FUNCTION. 2. Failed to modify an aggregate function using ALTER FUNCTION. 3. Failed to obtain the definition of an aggregate function using pg_get_functiondef.
Solution: Perform the following operations to resolve the problems: 1. Run DROP AGGREGATE to delete the aggregate function. 2. Run ALTER AGGREGATE to modify the aggregate function. 3. View the aggregate function in the PG_AGGREGATE system catalog.
GAUSS-00550: "unexpected object type (%d)"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00551 - GAUSS-00560
GAUSS-00551: "could not determine which collation to use for view column '%s'"
SQLSTATE: 42P22
Description: The collation to be used by a view column cannot be determined.
Solution: Use the COLLATE clause to assign a collation to the column.
GAUSS-00552: "view must have at least one column"
SQLSTATE: 42P16
Description: The number of columns defining a view is smaller than 1.
Solution: Ensure that the number of columns defining a view is greater than or equal to 1.
GAUSS-00553: "'%s' is not a view"
SQLSTATE: 42809
Description: The object is not a view.
Solution: Ensure that the object is a view.
GAUSS-00554: "cannot drop columns from view"
SQLSTATE: 42P16
Description: Failed to delete columns from a view
Solution: Do not delete columns from a view.
GAUSS-00555: "cannot change name of view column '%s' to '%s'"
SQLSTATE: 42P16
Description: Failed to modify the columns in a view.
Solution: Do not modify the columns in a view.
GAUSS-00556: "cannot change data type of view column '%s' from %s to %s"
SQLSTATE: 42P16
Description: When CREATE OR REPLACE VIEW is used to define a view, the new view and the original view do not have the same column data type.
Solution: Ensure that the new view and the original view have the same column data type.
GAUSS-00557: "unexpected parse analysis result"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00559: "views must not contain data-modifying statements in WITH"
SQLSTATE: 0A000
Description: Statements used to define a view contain the WITH clause.
Solution: Ensure that a single SELECT statement is executed to query the results.
GAUSS-00560: "CREATE VIEW specifies more column names than columns"
SQLSTATE: 42601
Description: The number of columns defining a view is greater than that of columns in the returned results.
Solution: Ensure that the number of columns defining a view is not greater than that of columns in the returned results.
GAUSS-00561 - GAUSS-00570
GAUSS-00561: "views cannot be unlogged because they do not have storage"
SQLSTATE: 42601
Description: The view to be defined is set to UNLOGGED.
Solution: Do not set the view to be defined to UNLOGGED because it does not have actual storage.
GAUSS-00562: "unrecognized value for EXPLAIN option '%s': '%s'"
SQLSTATE: 22023
Description: The EXPLAIN FORMAT parameter cannot be recognized.
Solution: Ensure that the value of the EXPLAIN FORMAT parameter is TEXT, XML, JSON, or YAML.
GAUSS-00563: "unrecognized EXPLAIN option '%s'"
SQLSTATE: 42601
Description: The EXPLAIN parameter cannot be recognized.
Solution: Ensure that the value of the EXPLAIN parameter is ANALYZE, VERBOSE, COSTS, BUFFERS, NODES, NUM_NODES, TIMING, CPU, DETAIL, PERFORMANCE, or FORMAT.
GAUSS-00564: "EXPLAIN option BUFFERS requires ANALYZE"
SQLSTATE: 22023
Description:ANALYZE is not specified for EXPLAIN BUFFERS.
Solution: Specify ANALYZE for EXPLAIN BUFFERS.
GAUSS-00565: "EXPLAIN option CPU requires ANALYZE"
SQLSTATE: 22023
Description:ANALYZE is not specified for EXPLAIN CPU.
Solution: Specify ANALYZE for EXPLAIN CPU.
GAUSS-00566: "EXPLAIN option DETAIL requires ANALYZE"
SQLSTATE: 22023
Description:ANALYZE is not specified for EXPLAIN DETAIL.
Solution: Specify ANALYZE for EXPLAIN DETAIL.
GAUSS-00567: "EXPLAIN option TIMING requires ANALYZE"
SQLSTATE: 22023
Description:ANALYZE is not specified for EXPLAIN TIMING.
Solution: Specify ANALYZE for EXPLAIN TIMING.
GAUSS-00568: "EXPLAIN %s requires ANALYZE"
SQLSTATE: 22023
Description:ANALYZE is not specified for EXPLAIN CREATE TABLE AS SELECT or EXPLAIN SELECT INTO.
Solution: Specify ANALYZE for EXPLAIN CREATE TABLE AS SELECT or EXPLAIN SELECT INTO.
GAUSS-00569: "no tlist entry for key %d"
SQLSTATE: XX000
Description: Generated plan error.
Solution:Contact technical support.
GAUSS-00570: "cache lookup failed for index %u"
SQLSTATE: XX000
Description: Failed to find the index in the system catalog cache.
Solution: Ensure that the index name is correct.
GAUSS-00571 - GAUSS-00580
GAUSS-00571: "unrecognized DISCARD target: %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00572: "function '%s' was not called by trigger manager"
SQLSTATE: 39P01
Description: A function is not invoked by the trigger manager.
Solution: Ensure that the function is invoked as an AFTER row trigger.
GAUSS-00573: "function '%s' must be fired AFTER ROW"
SQLSTATE: 39P01
Description: A function is invoked before an AFTER row trigger is triggered.
Solution: Ensure that the function is invoked after the AFTER row trigger is triggered.
GAUSS-00574: "function '%s' must be fired for INSERT or UPDATE"
SQLSTATE: 39P01
Description: A trigger is not triggered by the INSERT/UPDATE statement.
Solution: Ensure that the trigger is triggered by the INSERT/UPDATE statement.
GAUSS-00575: "Permission denied to create role with option UNENCRYPTED."
SQLSTATE: XX000
Description: An error occurs when UNENCRYPTED is specified for CREATE ROLE.
Solution: Encrypt the password.
GAUSS-00579: "Permission denied to create role."
SQLSTATE: 42501
Description: You have no permission to create users.
Solution: Check user permissions. For permissions to create users, see en-us_topic_0237121098.html.
GAUSS-00580: "Separation of privileges is used,user can't be created because of too many privileges."
SQLSTATE: 42501
Description: The permissions specified for users exceed the limit during privilege separation.
Solution: Ensure that the permissions specified for users do not exceed the limit during privilege separation.
GAUSS-00581 - GAUSS-00590
GAUSS-00581: "role name '%s' is reserved"
SQLSTATE: 42939
Description: A username is a reserved keyword.
Solution: Ensure that the username is not the reserved keyword, for example, public or none.
GAUSS-00582: "role '%s' already exists"
SQLSTATE: 42710
Description: The username already exists.
Solution: Use a new username.
GAUSS-00584: "The password does not satisfy the complexity requirement"
SQLSTATE: XX000
Description: The password does not meet the complexity requirements.
Solution: 1. The password cannot be the same as the username. 2. The password contains at least eight characters and at least three of the following: uppercase characters (A to Z), lowercase characters (a to z), digits (0 to 9), and other characters (limited to ~!@#$%^&*()-_=+|[{}];:,<.>/?).
GAUSS-00588: "The password could not be NULL."
SQLSTATE: XX000
Description: The password is null.
Solution: Ensure that the password is not null.
GAUSS-00589: "unacceptable user name: fail to create same name schema for user '%s'"
SQLSTATE: 42939
Description: If the name of a user is invalid, a schema with the same name as the user cannot be created.
Solution: Ensure that the user name does not start with pg_ which is used to name system modes.
GAUSS-00590: "the relation pg_user_status is invalid"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00591 - GAUSS-00600
GAUSS-00591: "role '%s' does not exist"
SQLSTATE: 42704
Description: The user does not exist.
Solution: Check the user information in the system catalog pg_roles.
GAUSS-00593: "Permission denied to change privilege of the initial account."
SQLSTATE: 42501
Description: You have no permission to modify the rights of the initial user.
Solution: Query the system catalog to check whether you have that permission.
GAUSS-00594: "Permission denied to change password of the initial account."
SQLSTATE: 42501
Description: You have no permission to change the password of the initial user.
Solution: Query the system catalog to check whether you have that permission.