- 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
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- 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-00701 - GAUSS-00800
GAUSS-00701 - GAUSS-00710
GAUSS-00701: "cannot rename inherited constraint '%s'"
SQLSTATE: 42P16
Description: The name of an inherited constraint is modified.
Solution: Do not modify the name of an inherited constraint.
GAUSS-00702: "relation '%s' already exists"
SQLSTATE: 42P07
Description: The relation already exists.
Solution: Ensure that the relation name is unique.
GAUSS-00703: "GTM error, could not rename sequence"
SQLSTATE: 08006
Description: GTM fails to rename a sequence.
Solution: Use gs_om -t status -detail to check whether the GTM status is normal.
GAUSS-00706: "partition '%s' of relation '%s' already exists"
SQLSTATE: 42P07
Description: A table partition of the same name already exists.
Solution: Ensure that the table partition name is unique.
GAUSS-00710: "cache lookup failed for partition %u of relation %u"
SQLSTATE: 42704
Description: Failed to find the partition.
Solution: The system is abnormal. Contact technical support.
GAUSS-00711 - GAUSS-00720
GAUSS-00711: "cannot %s '%s' because it is being used by active queries in this session"
SQLSTATE: 55006
Description: The object to be modified is being used.
Solution: Modify the object after the active queries are complete.
GAUSS-00712: "cannot %s '%s' because it has pending trigger events"
SQLSTATE: 55006
Description: Pending trigger events are detected when a table is modified.
Solution: Modify the table after pending trigger events are handled.
GAUSS-00713: "Un-support feature"
SQLSTATE: 0A000
Description: Feature not supported.
Solution: Do not use it.
GAUSS-00714: "unrecognized alter table type: %d"
SQLSTATE: XX000
Description: The table is changed to an unsupported type.
Solution: Check whether the new table type is supported.
GAUSS-00715: "Incompatible operation with data redistribution"
SQLSTATE: 54001
Description: The ALTER statement is incompatible with data redistribution.
Solution: Use the ALTER statement that is compatible with data redistribution.
GAUSS-00716: "cannot set with oids on partitioned table"
SQLSTATE: 0A000
Description: The attribute OIDs of partitioned tables are modified.
Solution: Do not modify the attribute OIDs of partitioned tables.
GAUSS-00717: "cannot set without oids on partitioned table"
SQLSTATE: 0A000
Description: The attribute OIDs of partitioned tables are modified.
Solution: Do not modify the attribute OIDs of partitioned tables.
GAUSS-00718: "cannot rewrite temporary tables of other sessions"
SQLSTATE: 0A000
Description: Temporary tables of other sessions are rewritten.
Solution: Do not rewrite temporary tables of other sessions.
GAUSS-00719: "cannot rewrite system relation '%s'"
SQLSTATE: 0A000
Description: The system catalog is rewritten.
Solution: Do not rewrite the system catalog.
GAUSS-00721 - GAUSS-00730
GAUSS-00721: "column '%s' contains null values"
SQLSTATE: 23502
Description: Non-null columns contain null values.
Solution: Check for conflicts in not-null constraints.
GAUSS-00722: "check constraint '%s' is violated by some row"
SQLSTATE: 23514
Description: Some rows violate check constraints.
Solution: Check for conflicts in check constraints.
GAUSS-00723: "cannot alter type '%s' because column '%s.%s' uses it"
SQLSTATE: 0A000
Description: The column type cannot be modified, because other columns depend on this column.
Solution: Check whether other columns depend on it. If they do, delete them and then modify the column type.
GAUSS-00724: "cannot alter foreign table '%s' because column '%s.%s' uses its row type"
SQLSTATE: 0A000
Description: A foreign table cannot be modified if its row type is being used by a column.
Solution: Check whether other columns depend on it. If they do, delete them and then modify the table.
GAUSS-00725: "cannot alter table '%s' because column '%s.%s' uses its row type"
SQLSTATE: 0A000
Description: A table cannot be modified if its row type is being used by a column.
Solution: Check whether other columns depend on it. If they do, delete them and then modify the table.
GAUSS-00726: "cannot alter type '%s' because it is the type of a typed table"
SQLSTATE: 2BP01
Description: The type of a typed table cannot be modified.
Solution: Use ALTER … CASCADE to modify the typed table.
GAUSS-00727: "type %s is not a composite type"
SQLSTATE: 42809
Description: The type of CREATE TABLE OFALTER TABLE OF is not a composite one.
Solution: Use a composite type and try again.
GAUSS-00728: "cannot add column to typed table"
SQLSTATE: 42809
Description: Columns are added to a typed table.
Solution: Do not add columns to a typed table.
GAUSS-00729: "type '%s' is not supported in column store"
SQLSTATE: 0A000
Description: Column storage does not support this column type.
Solution: Choose the correct column type and try again.
GAUSS-00730: "default value cannot reference to a column"
SQLSTATE: 42809
Description: A default value cannot be used in a column.
Solution: Check whether the default value is enclosed by a pair of quotation marks.
GAUSS-00731 - GAUSS-00740
GAUSS-00731: "child table '%s' has different type for column '%s'"
SQLSTATE: 42804
Description: When AddColumn is run to add a column to a parent table, this column and a column in the child tables share the same name but have different types.
Solution: Modify the type of the column to be added to that of the child tables.
GAUSS-00732: "child table '%s' has different collation for column '%s'"
SQLSTATE: 42P21
Description: When AddColumn is run to add a column to a parent table, this column and a column in the child tables share the same name but have different collations.
Solution: Modify the collation of the column to be added to that of the child tables.
GAUSS-00733: "child table '%s' has a conflicting '%s' column"
SQLSTATE: 42804
Description: When AddColumn is run to add a column to a parent table, the column already exists in the child tables.
Solution: Rename the column to be added.
GAUSS-00735: "column must be added to child tables too"
SQLSTATE: 42P16
Description: When AddColumn is run to add a column to a parent table, the column is not added to the child tables.
Solution: Add the column recursively to the child tables.
GAUSS-00736: "column '%s' of relation '%s' already exists"
SQLSTATE: 42701
Description: When a column is added to a relational table or a column name is changed, the column name already exists.
Solution: Specify the column name again.
GAUSS-00737: "cannot alter system column '%s'"
SQLSTATE: 0A000
Description: When ALTER TABLE ALTER COLUMN DROP is run, the column of a system catalog cannot be modified.
Solution: Cancel this operation.
GAUSS-00738: "column '%s' is in a primary key"
SQLSTATE: 42P16
Description: When ALTER TABLE ALTER COLUMN DROP is run, the primary key of a table cannot be modified.
Solution: Cancel this operation.
GAUSS-00739: "'%s' is not a table, index, or foreign table"
SQLSTATE: 42809
Description: When ALTER TABLE ALTER COLUMN SET STATISTICS is run, the object to be modified is not a common table, index, or foreign table.
Solution: Run this statement when the object is a common table, index, or foreign table, or cancel this operation.
GAUSS-00740: "statistics target %d is too low"
SQLSTATE: 22023
Description: When ALTER TABLE ALTER COLUMN SET STATISTICS is run, the value of a statistics target is excessively small.
Solution: Set a valid value for the statistics target.
GAUSS-00741 - GAUSS-00750
GAUSS-00741: "invalid storage type '%s'"
SQLSTATE: 22023
Description: When ALTER TABLE ALTER COLUMN SET STORAGE is run, the target data storage type is invalid.
Solution: Modify the target data storage type to a valid one.
GAUSS-00742: "column data type %s can only have storage PLAIN"
SQLSTATE: 0A000
Description: When ALTER TABLE ALTER COLUMN SET STORAGE is run, the column data storage type is not set to PLAIN.
Solution: Set the column data storage type to PLAIN.
GAUSS-00743: "cannot drop column from typed table"
SQLSTATE: 42809
Description: When ALTER TABLE DROP COLUMN is run, the column of a typed table cannot be deleted.
Solution: Cancel this operation.
GAUSS-00745: "cannot drop system column '%s'"
SQLSTATE: 0A000
Description: When ALTER TABLE DROP COLUMN is run, the column of a system catalog cannot be deleted.
Solution: Cancel this operation.
GAUSS-00747: "cache lookup failed for attribute '%s' of relation %u"
SQLSTATE: XX000
Description: Failed to find the column.
Solution: The system is abnormal. Contact technical support.
GAUSS-00748: "relation %u has non-inherited attribute '%s'"
SQLSTATE: XX000
Description: The inherited table does not have the corresponding inherited columns.
Solution: The system is abnormal. Contact technical support.
GAUSS-00749: "index '%s' is not unique"
SQLSTATE: XX000
Description: The index related to the added unique constraint does not have the unique attribute.
Solution: The system is abnormal. Contact technical support.
GAUSS-00750: "constraint '%s' for relation '%s' already exists"
SQLSTATE: 42710
Description:ALTER TABLE ADD CONSTRAINT cannot be run if new constraints already exist.
Solution: Modify the new constraints.
GAUSS-00751 - GAUSS-00760
GAUSS-00751: "cluster key for relation '%s' already exists"
SQLSTATE: 42710
Description:ALTER TABLE ADD CONSTRAINT cannot be run if the cluster key of a relational table already exists.
Solution: Modify the new constraints.
GAUSS-00753: "referenced relation '%s' is not a table"
SQLSTATE: 42809
Description: When foreign key constraints are added to a table, the referenced table of foreign key constraints is not an ordinary table.
Solution: Ensure that the referenced table of foreign key constraints is an ordinary table.
GAUSS-00754: "Invalid FOREIGN KEY constraints"
SQLSTATE: 42809
Description: The referenced table of foreign key constraints is a partitioned table although the partitioned table supports creating foreign key constraints.
Solution: Ensure that the referenced table of foreign key constraints is an ordinary table.
GAUSS-00755: "constraints on permanent tables may reference only permanent tables"
SQLSTATE: 42P16
Description: Foreign key constraints on ordinary tables do not reference ordinary tables.
Solution: Modify the referenced tables of foreign key constraints to ordinary tables.
GAUSS-00756: "constraints on unlogged tables may reference only permanent or unlogged tables"
SQLSTATE: 42P16
Description: Foreign key constraints on unlogged tables do not reference ordinary tables or unlogged tables.
Solution: Modify the referenced tables of the foreign key constraints to ordinary tables or unlogged tables.
GAUSS-00757: "constraints on temporary tables may reference only temporary tables"
SQLSTATE: 42P16
Description: Foreign key constraints on temporary tables do not reference temporary tables.
Solution: Modify the referenced tables of the foreign key restraints to temporary tables, or cancel this operation.
GAUSS-00758: "constraints on temporary tables must involve temporary tables of this session"
SQLSTATE: 42P16
Description: Foreign key constraints on temporary tables do not reference local temporary tables.
Solution: Modify the referenced tables of the foreign key restraints to temporary tables, or cancel this operation.
GAUSS-00759: "number of referencing and referenced columns for foreign key disagree"
SQLSTATE: 42830
Description: When foreign key constraints are added to a table, the number of constrained columns differs from that of quoted columns.
Solution: Modify the foreign key constraints to ensure that the number of constrained columns is the same as that of quoted columns.
GAUSS-00760: "only b-tree indexes are supported for foreign keys"
SQLSTATE: XX000
Description: The index of the primary key corresponding to the foreign key is not a B-tree index.
Solution: Ensure that the unique constraint index of the primary key is a B-tree index.
GAUSS-00761 - GAUSS-00770
GAUSS-00761: "missing operator %d(%u,%u) in opfamily %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00762: "foreign key constraint '%s' cannot be implemented"
SQLSTATE: 42804
Description: When foreign key constraints are added to a table, the type of constrained columns differs from that of quoted columns.
Solution: Modify the foreign key constraints to ensure that the type of constrained columns is the same as that of quoted columns.
GAUSS-00763: "Cannot create foreign key whose evaluation cannot be enforced to remote nodes"
SQLSTATE: 0A000
Description: When foreign key constraints are added to a table, the foreign key constraints on referencing remote nodes cannot be created.
Solution: Cancel this operation.
GAUSS-00764: "constraint '%s' of relation '%s' does not exist"
SQLSTATE: 42704
Description: When ALTER TABLE VALIDATE CONSTRAINT is run, the constraint on a table does not exist.
Solution: Modify the constraints that already exist, or cancel this operation.
GAUSS-00765: "constraint '%s' of relation '%s' is not a foreign key or check constraint"
SQLSTATE: 42809
Description: When ALTER TABLE VALIDATE CONSTRAINT is run, the relationship constraints are not foreign key constraints or check constraints.
Solution: Modify or cancel this operation.
GAUSS-00766: "constraint must be validated on child tables too"
SQLSTATE: 42P16
Description: When ALTER TABLE VALIDATE CONSTRAINT is run to add a constraint to a parent table, the constraint is not added to the child tables.
Solution: Add the constraint to the child tables.
GAUSS-00767: "column '%s' referenced in foreign key constraint does not exist"
SQLSTATE: 42703
Description: The referenced column of foreign key constraints on a relational table does not exist.
Solution: Modify the foreign key constraints.
GAUSS-00768: "cannot have more than %d keys in a foreign key"
SQLSTATE: 54011
Description: The number of referenced columns for a foreign key is greater than 32.
Solution: Limit the number of referenced columns for a foreign key.
GAUSS-00769: "cannot use a deferrable primary key for referenced table '%s'"
SQLSTATE: 55000
Description:GetPrimaryKey cannot be run for a deferrable primary key.
Solution: Cancel this operation.
GAUSS-00770: "there is no primary key for referenced table '%s'"
SQLSTATE: 42704
Description: When GetPrimaryKey is run, the referenced table has no primary key.
Solution: Cancel this operation.
GAUSS-00771 - GAUSS-00780
GAUSS-00771: "cannot use a deferrable unique constraint for referenced table '%s'"
SQLSTATE: 55000
Description: Foreign keys depend on a deferrable unique constraint.
Solution: Modify the dependency of foreign keys.
GAUSS-00772: "there is no unique constraint matching given keys for referenced table '%s'"
SQLSTATE: 42830
Description: Keys of the table that foreign keys depend on are not unique.
Solution: Modify dependency of foreign keys.
GAUSS-00773: "could not find cast from %u to %u"
SQLSTATE: XX000
Description: The conversion method between the types cannot be found.
Solution: Verify that no type conversion method is available in the pg_cast system catalog. Contact technical support.
GAUSS-00774: "null conbin for constraint %u"
SQLSTATE: XX000
Description: The constraint attribute is null.
Solution: The system catalog is abnormal. Contact technical support.
GAUSS-00775: "unrecognized FK action type: %d"
SQLSTATE: XX000
Description: The foreign key trigger type does not exist.
Solution: Check the type of the foreign key trigger.
GAUSS-00776: "cannot drop inherited constraint '%s' of relation '%s'"
SQLSTATE: 42P16
Description: When ALTER TABLE DROP CONSTRAINT is run, inherited constraints cannot be deleted.
Solution: Modify this operation.
GAUSS-00777: "relation %u has non-inherited constraint '%s'"
SQLSTATE: XX000
Description: The inherited table does not have the corresponding inherited constraints.
Solution: The system catalog is abnormal. Contact technical support.
GAUSS-00778: "cannot alter column type of typed table"
SQLSTATE: 42809
Description: When ALTER COLUMN TYPE is run, the column type of a typed table cannot be modified.
Solution: Modify this operation.
GAUSS-00779: "cannot alter inherited column '%s'"
SQLSTATE: 42P16
Description: When ALTER COLUMN TYPE is run, the column type of an inherited table cannot be modified.
Solution: Modify this operation.
GAUSS-00780: "cache lookup failed for pgxc_class %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00781 - GAUSS-00790
GAUSS-00781: "cannot alter data type of distribute column"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, the distribution column type of a table cannot be modified.
Solution: Modify this operation.
GAUSS-00784: "cannot use subquery in transform expression"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, a transform expression uses a subquery.
Solution: Modify this operation.
GAUSS-00785: "cannot use aggregate function in transform expression"
SQLSTATE: 42803
Description: When ALTER COLUMN TYPE is run, a transform expression uses an aggregate function.
Solution: Modify this operation.
GAUSS-00786: "cannot use window function in transform expression"
SQLSTATE: 42P20
Description: When ALTER COLUMN TYPE is run, a transform expression uses a window function.
Solution: Modify this operation.
GAUSS-00788: "type of inherited column '%s' must be changed in child tables too"
SQLSTATE: 42P16
Description: When ALTER COLUMN TYPE is run, the column type of a child table does not change as the column type of its parent table changes.
Solution: In the statement, specify that the child table changes when the parent table changes.
GAUSS-00789: "cannot alter data type of partitioning column '%s'"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, the column type of a partitioned table cannot be modified.
Solution: Modify this operation.
GAUSS-00790: "cannot alter type of column '%s' twice"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, the type of a column cannot be modified twice.
Solution: Modify a column type only once.
GAUSS-00791 - GAUSS-00800
GAUSS-00791: "default for column '%s' cannot be cast automatically to type %s"
SQLSTATE: 42804
Description: When ALTER COLUMN TYPE is run, a default expression cannot be automatically cast to a type.
Solution: Modify this operation.
GAUSS-00792: "cannot alter type of a pinned column"
SQLSTATE: XX000
Description: The type of the column cannot be changed, because other objects depend on it.
Solution: Find and delete the dependency, and then change the column type.
GAUSS-00793: "unexpected object depending on column: %s"
SQLSTATE: XX000
Description: The dependency type does not exist.
Solution: The system catalog is abnormal. Contact technical support.
GAUSS-00794: "cannot alter type of a column used by a view or rule"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, a view or rule is used to change the type of a column.
Solution: Modify this operation.
GAUSS-00795: "cannot alter type of a column used in a trigger definition"
SQLSTATE: 0A000
Description: When ALTER COLUMN TYPE is run, the type of a column used in a trigger definition cannot be modified.
Solution: Modify this operation.
GAUSS-00796: "unrecognized object class: %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00797: "found unexpected dependency type '%c'"
SQLSTATE: XX000
Description: The dependency type is incorrect.
Solution: The system catalog is abnormal. Contact technical support.
GAUSS-00798: "found unexpected dependency for column"
SQLSTATE: XX000
Description: The column dependency type is incorrect.
Solution: The system catalog is abnormal. Contact technical support.
GAUSS-00799: "foreign table '%s' does not exist"
SQLSTATE: 42704
Description: When ALTER COLUMN OPTIONS is run, a foreign table does not exist.
Solution: Modify this operation.
GAUSS-00800: "unexpected statement type: %d"
SQLSTATE: XX000
Description: The clause to change a statement is incorrect.
Solution: Check whether the clause is supported.