- About MogDB
- Quick Start
- Characteristic Description
- Overview
- High Performance
- CBO Optimizer
- LLVM
- Vectorized Engine
- Hybrid Row-Column Store
- Adaptive Compression
- Adaptive Two-phase Hash Aggregation
- SQL Bypass
- 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
- Parallel Query Optimization
- Enhancement of Tracing Backend Key Thread
- Ordering Operator Optimization
- OCK-accelerated Data Transmission
- OCK SCRLock Accelerate Distributed Lock
- Enhancement of WAL Redo Performance
- Enhancement of Dirty Pages Flushing Performance
- Sequential Scan Prefetch
- Ustore SMP Parallel Scanning
- Statement Level PLSQL Function Cache Support
- 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
- Query of the Original DDL Statement for a View
- MogDB/CM/PTK Dual Network Segment Support
- Enhanced Efficiency of Logical Backup and Restore
- Maintainability
- Workload Diagnosis Report (WDR)
- Slow SQL Diagnosis
- Session Performance Diagnosis
- System KPI-aided Diagnosis
- Fault Diagnosis
- Extension Splitting
- Built-in Stack Tool
- SQL PATCH
- Lightweight Lock Export and Analysis
- DCF Module Tracing
- Error When Writing Illegal Characters
- Support For Pageinspect & Pagehack
- Autonomous Transaction Management View and Termination
- Corrupt Files Handling
- Compatibility
- Add %rowtype Attribute To The View
- Aggregate Functions Distinct Performance Optimization
- Aggregate Functions Support Keep Clause
- Aggregate Functions Support Scenario Extensions
- Compatible With MySQL Alias Support For Single Quotes
- current_date/current_time Keywords As Field Name
- Custom Type Array
- For Update Support Outer Join
- MogDB Supports Insert All
- Oracle DBLink Syntax Compatibility
- Remove Type Conversion Hint When Creating PACKAGE/FUNCTION/PROCEDURE
- Support Bypass Method When Merge Into Hit Index
- Support For Adding Nocopy Attributes To Procedure And Function Parameters
- Support For Passing The Count Attribute Of An Array As A Parameter Of The Array Extend
- Support Q Quote Escape Character
- Support Subtracting Two Date Types To Return Numeric Type
- Support table()
- Support To Keep The Same Name After The End With Oracle
- Support Where Current Of
- Support For Constants In Package As Default Values
- Support PLPGSQL subtype
- Support Synonym Calls Without Parentheses For Function Without Parameters
- Support For dbms_utility.format_error_backtrace
- Support for PIVOT and UNPIVOT Syntax
- Mod Function Compatibility
- Support for Nesting of Aggregate Functions
- ORDER BY/GROUP BY Scenario Expansion
- Support for Modifying Table Log Properties After Table Creation
- Support for INSERT ON CONFLICT Clause
- Support for AUTHID CURRENT_USER
- Support for Stored Procedure OUT Parameters in PBE Mode
- 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
- Event Trigger
- Scrollable Cursor Support for Reverse Retrieval
- Support for Pruning Subquery Projection Columns
- Pruning ORDER BY in Subqueries
- Automatic Creation of Indexes Supporting Fuzzy Matching
- Support for Importing and Exporting Specific Objects
- Application Development Interfaces
- AI Capabilities
- Middleware
- Workload Management
- Installation Guide
- Upgrade Guide
- 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
- Column-store Tables Management
- Backup and Restoration
- Database Deployment Solutions
- Importing and Exporting Data
- High Available Guide
- AI Features Guide
- AI4DB: Autonomous Database O&M
- DBMind Mode
- Components that Support DBMind
- AI Sub-functions of the DBMind
- ABO Optimizer
- DB4AI: Database-driven AI
- AI4DB: Autonomous Database O&M
- Security Guide
- Developer Guide
- Application Development Guide
- Development Specifications
- Development Based on JDBC
- 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
- Example: JDBC Primary/Standby Cluster Load Balancing
- 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
- JDBC Release Notes
- Development Based on ODBC
- Development Based on libpq
- Psycopg2-Based Development
- Commissioning
- Stored Procedure
- User Defined Functions
- PL/pgSQL-SQL Procedural Language
- Scheduled Jobs
- Autonomous Transaction
- Logical Replication
- Extension
- MySQL Compatibility Description
- Dolphin Extension
- Dolphin Overview
- Dolphin Installation
- Dolphin Restrictions
- Dolphin Syntax
- SQL Reference
- Keywords
- Data Types
- Functions and Operators
- Assignment Operators
- Character Processing Functions and Operators
- Arithmetic Functions and Operators
- Dolphin Lock
- Date and Time Processing Functions and Operators
- Advisory Lock Functions
- Network Address Functions and Operators
- Conditional Expression Functions
- Aggregate Functions
- System Information Functions
- Logical Operators
- Bit String Functions and Operators
- JSON-JSONB Functions and Operators
- Type Conversion Functions
- Compatible Operators and Operations
- Comment Operators
- Expressions
- DDL Syntax
- DML Syntax
- DCL Syntax
- SQL Syntax
- ALTER DATABASE
- ALTER FUNCTION
- ALTER PROCEDURE
- ALTER SERVER
- ALTER TABLE
- ALTER TABLE PARTITION
- ALTER TABLESPACE
- ALTER VIEW
- ANALYZE | ANALYSE
- AST
- CHECKSUM TABLE
- CREATE DATABASE
- CREATE FUNCTION
- CREATE INDEX
- CREATE PROCEDURE
- CREATE SERVER
- CREATE TABLE
- CREATE TABLE AS
- CREATE TABLE PARTITION
- CREATE TABLESPACE
- CREATE TRIGGER
- CREATE VIEW
- DESCRIBE TABLE
- DO
- DROP DATABASE
- DROP INDEX
- DROP TABLESPACE
- EXECUTE
- EXPLAIN
- FLUSH BINARY LOGS
- GRANT
- GRANT/REVOKE PROXY
- INSERT
- KILL
- LOAD DATA
- OPTIMIZE TABLE
- PREPARE
- RENAME TABLE
- RENAME USER
- REVOKE
- SELECT
- SELECT HINT
- SET CHARSET
- SET PASSWORD
- SHOW CHARACTER SET
- SHOW COLLATION
- SHOW COLUMNS
- SHOW CREATE DATABASE
- SHOW CREATE FUNCTION
- SHOW CREATE PROCEDURE
- SHOW CREATE TABLE
- SHOW CREATE TRIGGER
- SHOW CREATE VIEW
- SHOW DATABASES
- SHOW FUNCTION STATUS
- SHOW GRANTS
- SHOW INDEX
- SHOW MASTER STATUS
- SHOW PLUGINS
- SHOW PRIVILEGES
- SHOW PROCEDURE STATUS
- SHOW PROCESSLIST
- SHOW SLAVE HOSTS
- SHOW STATUS
- SHOW TABLES
- SHOW TABLE STATUS
- SHOW TRIGGERS
- SHOW VARIABLES
- SHOW WARNINGS/ERRORS
- UPDATE
- USE db_name
- System Views
- GUC Parameters
- Resetting Parameters
- Stored Procedures
- Identifiers
- SQL Reference
- MySQL Syntax Compatibility Assessment Tool
- Dolphin Extension
- Materialized View
- Partition Management
- Application Development Guide
- Performance Tuning Guide
- Reference Guide
- System Catalogs and System Views
- Overview
- Querying a System Catalog
- 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_EVENT_TRIGGER
- 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_SUBSCRIPTION_REL
- 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
- GET_GLOBAL_PREPARED_XACTS(Discarded)
- GS_ASYNC_SUBMIT_SESSIONS_STATUS
- GS_AUDITING
- GS_AUDITING_ACCESS
- GS_AUDITING_PRIVILEGE
- 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_SHARED_MEMORY_DETAIL
- 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
- IOS_STATUS
- 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
- PATCH_INFORMATION_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
- Event 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
- XML Functions
- Obsolete Functions
- Supported Data Types
- SQL Syntax
- ABORT
- ALTER AGGREGATE
- ALTER AUDIT POLICY
- ALTER DATABASE
- ALTER DATA SOURCE
- ALTER DEFAULT PRIVILEGES
- ALTER DIRECTORY
- ALTER EVENT
- ALTER EVENT TRIGGER
- ALTER EXTENSION
- ALTER FOREIGN DATA WRAPPER
- ALTER FOREIGN TABLE
- ALTER FUNCTION
- ALTER GLOBAL CONFIGURATION
- ALTER GROUP
- ALTER INDEX
- ALTER LANGUAGE
- ALTER LARGE OBJECT
- ALTER MASKING POLICY
- ALTER MATERIALIZED VIEW
- ALTER OPERATOR
- 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 EVENT
- CREATE EVENT TRIGGER
- CREATE EXTENSION
- CREATE FOREIGN DATA WRAPPER
- 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 TABLESPACE
- CREATE TABLE SUBPARTITION
- 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
- DELIMITER
- DO
- DROP AGGREGATE
- DROP AUDIT POLICY
- DROP CAST
- DROP CLIENT MASTER KEY
- DROP COLUMN ENCRYPTION KEY
- DROP DATABASE
- DROP DATA SOURCE
- DROP DIRECTORY
- DROP EVENT
- DROP EVENT TRIGGER
- DROP EXTENSION
- DROP FOREIGN DATA WRAPPER
- 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
- SHOW EVENTS
- SHRINK
- SHUTDOWN
- SNAPSHOT
- START TRANSACTION
- TIMECAPSULE TABLE
- TRUNCATE
- UPDATE
- VACUUM
- VALUES
- SQL Reference
- MogDB SQL
- Keywords
- Constant and Macro
- Expressions
- Type Conversion
- Full Text Search
- System Operation
- DDL Syntax Overview
- DML Syntax Overview
- DCL Syntax Overview
- Subquery
- LLVM
- Alias
- Lock
- Transaction
- Ordinary Table
- Partitioned Table
- Index
- Constraints
- Cursors
- Anonymous Block
- Trigger
- INSERT_RIGHT_REF_DEFAULT_VALUE
- Appendix
- GUC Parameters
- GUC Parameter Usage
- GUC Parameter List
- File Location
- Connection and Authentication
- Resource Consumption
- Write Ahead Log
- HA Replication
- 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
- Backend Compression
- 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
- DCF Parameters Settings
- Flashback
- Rollback Parameters
- Reserved Parameters
- AI Features
- Global SysCache Parameters
- Multi-Level Cache Management Parameters
- Resource Pooling Parameters
- Parameters Related to Efficient Data Compression Algorithms
- Writer Statement Parameters Supported by Standby Servers
- Data Import and Export
- Delimiter
- Appendix
- Schema
- Information Schema
- DBE_PERF
- 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
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- 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 07500
- GAUSS 50000 - GAUSS 50999
- GAUSS 51000 - GAUSS 51999
- GAUSS 52000 - GAUSS 52999
- GAUSS 53000 - GAUSS 53699
- Error Log Reference
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- Common Fault Locating Cases
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- 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
- A Query Error Is Reported Due to Predicate Pushdown
- 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
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- SQL Fault Location
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- Source Code Parsing
- FAQs
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GAUSS-00201 - GAUSS-00300
GAUSS-00201 - GAUSS-00210
GAUSS-00202: "unrecognized join type: %d"
SQLSTATE: XX004
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00203: "unrecognized set op: %d"
SQLSTATE: XX004
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00204: "bogus InhOption value: %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00206: "subquery in FROM must have an alias"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00207: "unexpected non-SELECT command in subquery in FROM"
SQLSTATE: XX000
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00210: "cannot use aggregate function in function expression in FROM"
SQLSTATE: 42803
Description: The function expression in the FROM clause is an aggregate function.
Solution: Do not use an aggregate function in the FROM clause.
GAUSS-00211 - GAUSS-00220
GAUSS-00211: "cannot use window function in function expression in FROM"
SQLSTATE: 42P20
Description: The function expression in the FROM clause is a window function.
Solution: Do not use a window function in the FROM clause.
GAUSS-00212: "column name '%s' appears more than once in USING clause"
SQLSTATE: 42701
Description: During join operation, when the USING clause is used, the same column name appears in the clause more than once.
Solution: Ensure that the same column name appears only once in the USING clause.
GAUSS-00214: "column '%s' specified in USING clause does not exist in left table"
SQLSTATE: 42703
Description: Columns listed in the USING clause cannot be found in the left table.
Solution: Ensure that the column name used is in the left and right tables.
GAUSS-00217: "column alias list for '%s' has too many entries"
SQLSTATE: 42601
Description: The number of columns in the object alias exceeds the actual number of columns.
Solution: Ensure that the number of columns in the object alias is consistent with the actual number of columns.
GAUSS-00218: "argument of %s must not contain variables"
SQLSTATE: 42P10
Description: A clause similar to LIMIT uses a variable.
Solution: Do not use a variable in a clause similar to LIMIT.
GAUSS-00219: "argument of %s must not contain aggregate functions"
SQLSTATE: 42803
Description: A clause similar to LIMIT uses an aggregate function.
Solution: Do not use an aggregate function in a clause similar to LIMIT.
GAUSS-00220: "argument of %s must not contain window functions"
SQLSTATE: 42P20
Description: A clause similar to LIMIT uses a window function.
Solution: Do not use a window function in a clause similar to LIMIT.
GAUSS-00221 - GAUSS-00230
GAUSS-00221: "%s '%s' is ambiguous"
SQLSTATE: 42702
Description: The column specified by GROUP BY/ORDER BY is ambiguous.
Solution: Ensure that the column specified by GROUP BY/ORDER BY is correct.
GAUSS-00222: "non-integer constant in %s"
SQLSTATE: 42601
Description: The constant specified by GROUP BY/ORDER BY is not of the integer type.
Solution: Ensure that the constant specified by GROUP BY/ORDER BY is an integer type.
GAUSS-00223: "%s position %d is not in select list"
SQLSTATE: 42P10
Description: The position of the constant specified by GROUP BY/ORDER BY is not in the current list.
Solution: Ensure that the constant position specified by GROUP BY/ORDER BY is in the current list.
GAUSS-00224: "window '%s' is already defined"
SQLSTATE: 42P20
Description: The window name has been defined.
Solution: Use an undefined window name.
GAUSS-00225: "window '%s' does not exist"
SQLSTATE: 42704
Description: The specified window object does not exist.
Solution: Define a window object before using it.
GAUSS-00226: "cannot override PARTITION BY clause of window '%s'"
SQLSTATE: 42P20
Description: The PARTITION BY clause in the window function is overwritten.
Solution: Ensure that the PARTITION BY clause in the window function is not overwritten.
GAUSS-00227: "cannot override ORDER BY clause of window '%s'"
SQLSTATE: 42P20
Description: The ORDER BY clause in the window function is overwritten.
Solution: Ensure that the ORDER BY clause in the window function is not overwritten.
GAUSS-00228: "cannot override frame clause of window '%s'"
SQLSTATE: 42P20
Description: The frame clause in the window function is overwritten.
Solution: Ensure that the frame clause in the window function is not overwritten.
GAUSS-00229: "in an aggregate with DISTINCT, ORDER BY expressions must appear in argument list"
SQLSTATE: 42P10
Description: In an aggregate operation, parameters in DISTINCT and ORDER BY expressions do not exist in the target list.
Solution: Ensure that the parameters exist in the target list.
GAUSS-00230: "SELECT DISTINCT ON expressions must match initial ORDER BY expressions"
SQLSTATE: 42P10
Description: When DISTINCT ON and ORDER BY are used simultaneously, their expressions are different.
Solution: Ensure that their expressions are the same.
GAUSS-00231 - GAUSS-00240
GAUSS-00231: "get_matching_location: no matching sortgroupref"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00232: "operator %s is not a valid ordering operator"
SQLSTATE: 42809
Description: The operator specified using ORDER BY is an invalid sequencing operator.
Solution: When using ORDER BY to specify an operator, use only > or < for sequencing.
GAUSS-00233: "unrecognized sortby_dir: %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00234: "unrecognized sortby_nulls: %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00235: "window frame with value offset is not implemented"
SQLSTATE: 0A000
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00236: "aggregate function calls cannot be nested"
SQLSTATE: 42803
Description: The aggregate function is invoked in nested mode.
Solution: Ensure that the aggregate function is not invoked in nested mode.
GAUSS-00237: "aggregate function calls cannot contain window function calls"
SQLSTATE: 42803
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00238: "cache lookup failed for aggregate %u"
SQLSTATE: 22P06
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00239: "window function calls cannot be nested"
SQLSTATE: 42P20
Description: The window function is invoked in nested mode.
Solution: Cancel the nested invoking of the window function.
GAUSS-00240: "aggregates not allowed in WHERE clause"
SQLSTATE: 42803
Description: An aggregate function is used in the WHERE clause.
Solution: Do not use an aggregate function in the WHERE clause.
GAUSS-00241 - GAUSS-00250
GAUSS-00241: "aggregates not allowed in JOIN conditions"
SQLSTATE: 42803
Description: The JOIN condition contains an aggregate function.
Solution: Do not use an aggregate function in the JOIN condition.
GAUSS-00242: "aggregates not allowed in GROUP BY clause"
SQLSTATE: 42803
Description: The GROUP BY clause contains an aggregate function.
Solution: Do not use an aggregate function in the GROUP BY clause.
GAUSS-00243: "aggregate functions not allowed in a recursive query's recursive term"
SQLSTATE: 42P19
Description: The recursive query uses an aggregate function.
Solution: Do not use an aggregate function in the recursive query.
GAUSS-00244: "window functions not allowed in WHERE clause"
SQLSTATE: 42P20
Description: The WHERE clause contains a window function.
Solution: Do not use a window function in the WHERE clause.
GAUSS-00245: "window functions not allowed in JOIN conditions"
SQLSTATE: 42P20
Description: The JOIN condition contains a window function.
Solution: Do not use a window function in the JOIN condition.
GAUSS-00246: "window functions not allowed in HAVING clause"
SQLSTATE: 42P20
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00247: "window functions not allowed in GROUP BY clause"
SQLSTATE: 42P20
Description: The GROUP BY clause contains a window function.
Solution: Do not use a window function in the GROUP BY clause.
GAUSS-00248: "window functions not allowed in window definition"
SQLSTATE: 42P20
Description: The PARTITION or ORDER BY clause contains a window function.
Solution: Do not use a window function in the PARTITION or ORDER BY clause.
GAUSS-00249: "column '%s.%s' must appear in the GROUP BY clause or be used in an aggregate function"
SQLSTATE: 42803
Description: The GROUP BY clause contains an aggregate function or lacks variables existing in the target list.
Solution: Do not use an aggregate function in the GROUP BY clause or include variables existing in the target list.
GAUSS-00250: "subquery uses ungrouped column '%s.%s' from outer query"
SQLSTATE: 42803
Description: The subquery uses an external ungrouped column.
Solution: Ensure that the subquery uses an external grouped column.
GAUSS-00251 - GAUSS-00260
GAUSS-00251: "yylex_init() failed: %m"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00252: "Invalid RTE found"
SQLSTATE: XX000
Description: The reference is not found.
Solution: Modify the SQL statement.
GAUSS-00253: "cannot assign to system column '%s'"
SQLSTATE: 0A000
Description: A value cannot be assigned to the system column.
Solution: Do not perform any operation on the system column.
GAUSS-00254: "cannot set an array element to DEFAULT"
SQLSTATE: 0A000
Description: The default value is set for an array element.
Solution: Do not set the default value of for an array element.
GAUSS-00255: "cannot set a subfield to DEFAULT"
SQLSTATE: 0A000
Description: The default value is set for an array subscript.
Solution: Do not set the default value for an array subscript.
GAUSS-00256: "column '%s' is of type %s but expression is of type %s"
SQLSTATE: 42804
Description: Data types at both sides of the expression are inconsistent.
Solution: Switch the data type at either side to make them consistent.
GAUSS-00257: "cannot assign to field '%s' of column '%s' because its type %s is not a composite type"
SQLSTATE: 42804
Description: A column is specified for a non-composite variable.
Solution: Do not specify a column for a non-composite variable.
GAUSS-00258: "cannot assign to field '%s' of column '%s' because there is no such column in data type %s"
SQLSTATE: 42703
Description: A column is specified for a non-composite variable.
Solution: Do not specify a column for a non-composite variable.
GAUSS-00259: "cannot assign to system column '%s'"
SQLSTATE: 42703
Description: A value cannot be assigned to the system column.
Solution: Do not perform any operation on the system column.
GAUSS-00260: "array assignment to '%s' requires type %s but expression is of type %s"
SQLSTATE: 42804
Description: The object to which a value is assigned does not match the actual expression type.
Solution: Modify the SQL statement.
GAUSS-00261 - GAUSS-00270
GAUSS-00261: "subfield '%s' is of type %s but expression is of type %s"
SQLSTATE: 42804
Description: Data types at both sides of the expression are inconsistent.
Solution: Switch the data type at either side to make them consistent.
GAUSS-00262: "column '%s' specified more than once"
SQLSTATE: 42701
Description: A column is specified multiple times when inserting data to a table.
Solution: Insert data in each column only once.
GAUSS-00263: "SELECT * with no tables specified is not valid"
SQLSTATE: 42601
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00265: "Un-support feature"
SQLSTATE: XX000
Description: Feature not supported.
Solution: Do not use it.
GAUSS-00268: "VALUES lists must all be the same length"
SQLSTATE: 42601
Description: In the INSERT … VALUES statement, the number of values does not match that of table columns.
Solution: 1. Run \d tblname to check columns in the table. 2. Ensure that the number of values matches that of table columns. 3. Modify the syntax of the INSERT … VALUES statement.
GAUSS-00269: "VALUES must not contain table references"
SQLSTATE: 0A000
Description: The SELECT clause in the INSERT … VALUES statement contains a join list.
Solution: Ensure that the SELECT clause in the INSERT … VALUES statement does not contain a join list. Modify the INSERT statement based on its syntax.
GAUSS-00270: "VALUES must not contain OLD or NEW references"
SQLSTATE: 0A000
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00271 - GAUSS-00280
GAUSS-00271: "cannot use aggregate function in VALUES"
SQLSTATE: 42803
Description: The VALUES clause in the INSERT statement contains an aggregate function.
Solution: Ensure that the VALUES clause in the INSERT statement does not contain an aggregate function. Modify the INSERT statement based on its syntax.
GAUSS-00272: "cannot use window function in VALUES"
SQLSTATE: 42P20
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00273: "INSERT has more expressions than target columns"
SQLSTATE: 42601
Description: The number of valid expressions or values in the INSERT statement is greater than the corresponding number of target columns.
Solution: Ensure that the number of valid expressions or values in the INSERT statement is consistent with the corresponding number of target columns.
GAUSS-00274: "INSERT has more target columns than expressions"
SQLSTATE: 42601
Description: The number of target columns in the INSERT statement is greater than the corresponding number of valid expressions or values.
Solution: Ensure that the number of target columns in the INSERT statement is consistent with the corresponding number of valid expressions or values. If they are inconsistent, modify the INSERT statement.
GAUSS-00275: "SELECT … INTO is not allowed here"
SQLSTATE: 42601
Description: The syntax is incorrectly parsed. Specifically, the SELECT statement contains an INTO clause, which is not supported.
Solution: Modify the SELECT statement to ensure that it does not contain an INTO clause.
GAUSS-00276: "DEFAULT can only appear in a VALUES list within INSERT"
SQLSTATE: 42601
Description: The syntax is incorrectly parsed. Specifically, the SELECT statement contains the default expression or value, which is not supported.
Solution: Ensure that the syntax of the SELECT statement is correct.
GAUSS-00277: "SELECT FOR UPDATE/SHARE cannot be applied to VALUES"
SQLSTATE: 0A000
Description: The expression or value in the SELECT statement contains the SELECT FOR UPDATE/SHARE clause, which is not supported.
Solution: Ensure that the SELECT statement is correct.
GAUSS-00278: "SELECT FOR UPDATE/SHARE is not allowed with UNION/INTERSECT/EXCEPT"
SQLSTATE: 0A000
Description: The clause collection (UNION/INTERSECT/EXCEPT) in the SELECT statement contains the SELECT FOR UPDATE/SHARE clause, which is not supported.
Solution: Ensure that the SELECT statement is correct.
GAUSS-00279: "invalid UNION/INTERSECT/EXCEPT ORDER BY clause"
SQLSTATE: 0A000
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00280: "INTO is only allowed on first SELECT of UNION/INTERSECT/EXCEPT"
SQLSTATE: 42601
Description: The syntax is incorrectly parsed. The position of the INTO clause in the SELECT..UNION/INTERSECT/EXCEPT statement is incorrect.
Solution: Ensure that the INTO clause exists only in the SELECT..UNION/INTERSECT/EXCEPT statement.
GAUSS-00281 - GAUSS-00290
GAUSS-00281: "UNION/INTERSECT/EXCEPT member statement cannot refer to other relations of same query level"
SQLSTATE: 42P10
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00282: "each %s query must have the same number of columns"
SQLSTATE: 42601
Description: Syntax error.
Solution: Modify the SQL statement.
GAUSS-00283: "cannot use aggregate function in UPDATE"
SQLSTATE: 42803
Description: In the UPDATE syntax, the value in the column to be updated cannot be an aggregate function.
Solution: Ensure that the column value to be updated in the UPDATE syntax is not an aggregate function. If the column value to be updated is an aggregate function, modify the UPDATE syntax.
GAUSS-00284: "cannot use window function in UPDATE"
SQLSTATE: 42P20
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00285: "UPDATE target count mismatch - internal error"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-00286: "column '%s.%s' of relation '%s' does not exist"
SQLSTATE: 42703
Description: In the UPDATE syntax, the column name to be updated does not exist.
Solution: Ensure that the column name to be updated in the UPDATE syntax is correct.
GAUSS-00287: "cannot use aggregate function in RETURNING"
SQLSTATE: 42803
Description: The RETURNING clause in the INSERT/UPDATE/DELETE syntax contains an aggregate function, which is not supported.
Solution: Ensure that the RETURNING clause in the INSERT/UPDATE/DELETE syntax is correct.
GAUSS-00288: "cannot use window function in RETURNING"
SQLSTATE: 42P20
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00291 - GAUSS-00300
GAUSS-00291: "unexpected non-SELECT command in DECLARE CURSOR"
SQLSTATE: XX000
Description: Syntax not supported.
Solution: Modify the SQL statement.
GAUSS-00292: "DECLARE CURSOR must not contain data-modifying statements in WITH"
SQLSTATE: 0A000
Description: The WITH clause in the DECLARE CURSOR syntax contains the INSERT/UPDATE/DELETE statement.
Solution: Check and modify the query statement.
GAUSS-00293: "DECLARE CURSOR WITH HOLD … FOR UPDATE/SHARE is not supported"
SQLSTATE: 0A000
Description: The DECLARE CURSOR WITH HOLD … FOR SelectStmt clause contains the UPDATE/SHARE statement, which is not supported.
Solution:DECLARE CURSOR WITH HOLD … Check and modify the query statement.
GAUSS-00294: "DECLARE SCROLL CURSOR … FOR UPDATE/SHARE is not supported"
SQLSTATE: 0A000
Description: The DECLARE SCROLL CURSOR… FOR SelectStmt clause contains the UPDATE/SHARE statement, which is not supported.
Solution: Check and modify the query statement.
GAUSS-00295: "DECLARE INSENSITIVE CURSOR … FOR UPDATE/SHARE is not supported"
SQLSTATE: 0A000
Description: The DECLARE INSENSITIVE CURSOR … FOR SelectStmt clause contains the UPDATE/SHARE statement, which is not supported.
Solution: Check and modify the query statement.
GAUSS-00298: "PGXC Node %s: object not defined"
SQLSTATE: 42704
Description: The specified node object is abnormal or does not exist.
Solution: Ensure that the specified node name exists and is operating properly. If the specified node is abnormal, restart the node.
GAUSS-00300: "EXECUTE DIRECT cannot execute DML queries"
SQLSTATE: 0A000
Description:EXECUTE DIRECT ON ( nodename [, … In the EXECUTE DIRECT ON ( nodename [, … ] ) query syntax, a DML statement is executed on a DN, which is not supported.
Solution: Do not execute a DML statement in the EXECUTE DIRECT ON ( nodename [, … ] ) query syntax.