- 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
- High Availability (HA)
- Primary/Standby
- Logical Replication
- Online Node Replacement
- Logical Backup
- Physical Backup
- Automatic Job Retry upon Failure
- Ultimate RTO
- Cascaded Standby Server
- Delayed Replay
- Adding or Deleting a Standby Server
- Delaying Entering the Maximum Availability Mode
- Parallel Logical Decoding
- DCF
- CM
- Global SysCache
- Using a Standby Node to Build a Standby Node
- 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
- 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
- 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
- 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
- AI4DB: Root Cause Analysis for Slow SQL Statements
- AI4DB: Trend Prediction
- SQLdiag: Slow SQL Discovery
- DB4AI: Database-driven AI
- AI in DB
- Intelligence Explain: SQL Statement Query Time Prediction
- 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)
- 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
- 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
- Foreign Data Wrapper
- 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_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_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
- 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
- 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
- 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
- Developer Options
- Auditing
- SQL Mode
- 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
- Appendix
- Schema
- 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_USER_COMPLEX_HISTORY
- 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
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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 07480
- GAUSS 50000 - GAUSS 50999
- GAUSS 51000 - GAUSS 51999
- GAUSS 52000 - GAUSS 52999
- GAUSS 53000 - GAUSS 53699
- Error Log Reference
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- 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
- Source Code Parsing
- FAQs
- Glossary
- Mogeaver
GAUSS-01901 - GAUSS-02000
GAUSS-01901 - GAUSS-01910
GAUSS-01901: "language with OID %u does not exist"
SQLSTATE: 42883
Description: The result of checking user access rights in the user exit program indicates that the corresponding language format does not exist.
Solution: Check whether the language is defined in the pg_language system catalog.
GAUSS-01904: "text search dictionary with OID %u does not exist"
SQLSTATE: 42704
Description: The result of checking user rights indicates that the corresponding file search path does not exist.
Solution: Check all file search paths in the pg_ts_dict system catalog.
GAUSS-01905: "text search configuration with OID %u does not exist"
SQLSTATE: 42704
Description: The result of checking user rights indicates that the corresponding file search composition does not exist.
Solution: Check all file search compositions in the pg_ts_config system catalog.
GAUSS-01906: "collation with OID %u does not exist"
SQLSTATE: 42704
Description: The result of checking user rights indicates that the corresponding character set does not exist.
Solution: Check all character sets in the pg_collation system catalog.
GAUSS-01907: "conversion with OID %u does not exist"
SQLSTATE: 42704
Description: The result of checking user rights indicates that the corresponding conversion does not exist.
Solution: Check all conversions in the pg_collation system catalog.
GAUSS-01908: "extension with OID %u does not exist"
SQLSTATE: 42704
Description: The result of checking user rights indicates that the corresponding extension does not exist.
Solution: Check all extensions in the pg_extension system catalog.
GAUSS-01909: "relation '%s' has relchecks = 0"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01911 - GAUSS-01920
GAUSS-01911: "constraint '%s' for domain %s already exists"
SQLSTATE: 42710
Description: The constraint name already exists in the current table.
Solution: Ensure that the constraint name is unique.
GAUSS-01912: "table '%s' has multiple constraints named '%s'"
SQLSTATE: 42710
Description: The table has at least two duplicate constraints.
Solution: Ensure that each constraint has a unique name within one table.
GAUSS-01913: "constraint '%s' for table '%s' does not exist"
SQLSTATE: 42704
Description: The constraint does not exist in the current table.
Solution: Ensure that the constraint exists in the current table. Alternatively, check all constraints in the table.
GAUSS-01914: "domain '%s' has multiple constraints named '%s'"
SQLSTATE: 42710
Description: The domain has at least two duplicate constraints.
Solution: Ensure that each constraint has a unique name within one domain.
GAUSS-01915: "constraint '%s' for domain '%s' does not exist"
SQLSTATE: 42704
Description: The constraint does not exist in the current domain.
Solution: Check all constraints in the domain.
GAUSS-01916: "null conkey for constraint %u"
SQLSTATE: XX005
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01917: "conkey is not a 1-D smallint array"
SQLSTATE: 42804
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01918: "no aggregate name supplied"
SQLSTATE: XX000
Description: The aggregate name is not provided.
Solution: Provide an aggregate name.
GAUSS-01919: "aggregate must have a transition function"
SQLSTATE: XX000
Description: The aggregate does not have a transition function.
Solution: Provide a transition function.
GAUSS-01920: "cannot determine transition data type"
SQLSTATE: 42P13
Description: The conversion type for the composite type cannot be determined during aggregate function creation.
Solution: Set a conversion type for the composite type.
GAUSS-01921 - GAUSS-01930
GAUSS-01921: "return type of transition function %s is not %s"
SQLSTATE: 42804
Description: The return type generated based on transfn is inconsistent with that as specified.
Solution: Ensure that the return type for the composite type is consistent with that as specified.
GAUSS-01922: "must not omit initial value when transition function is strict and transition type is not compatible with input type"
SQLSTATE: 42P13
Description: When the conversion function is strict and inconsistent with the input type, pay attention to the type of the initial value.
Solution: Ensure that the type of the initial value is consistent with that of the conversion type. Alternatively, it must be at least compatible with binary data.
GAUSS-01923: "return type of collection function %s is not %s"
SQLSTATE: 42804
Description: The return type of the collection function is different from the expected aggTreanType.
Solution: Call the correct collection function.
GAUSS-01924: "cannot determine result data type"
SQLSTATE: 42804
Description: The result data type cannot be determined because no parameter input exists.
Solution: Check and correct the parameter input type.
GAUSS-01925: "sort operator can only be specified for single-argument aggregates"
SQLSTATE: 42P13
Description: Sort operators can only appear in an aggregate function with a single parameter.
Solution: Check the number of parameters and whether to call sort operators.
GAUSS-01926: "function %s returns a set"
SQLSTATE: 42804
Description: The aggregate function can return only single value but cannot return a set.
Solution: Check whether the aggregate function is correct.
GAUSS-01927: "function %s requires run-time type coercion"
SQLSTATE: 42804
Description: The function requires type coercion during execution but the type coercion is not performed in the nodeAgg.c file.
Solution: Ensure that type conversion does not occur during execution.
GAUSS-01928: "cannot drop %s because %s requires it"
SQLSTATE: 2BP01
Description: This object cannot be deleted because other objects depend on it.
Solution: Remove the dependency relationship. Alternatively, delete the depending objects.
GAUSS-01929: "incorrect use of PIN dependency with %s"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01930: "unrecognized dependency type '%c' for %s"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01931 - GAUSS-01940
GAUSS-01931: "cannot drop %s because other objects depend on it"
SQLSTATE: 2BP01
Description: This object cannot be deleted because other objects depend on it.
Solution: Remove the dependency relationship. Alternatively, delete the depending objects.
GAUSS-01932: "cannot drop desired object(s) because other objects depend on them"
SQLSTATE: 2BP01
Description: These objects cannot be deleted because other objects depend on them.
Solution: Use drop cascade to delete the depending objects.
GAUSS-01933: "invalid varlevelsup %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01934: "invalid varno %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01935: "already-planned subqueries not supported"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01936: "invalid resultRelation %d"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01937: "invalid objectSubId 0 for object class %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01938: "could not find tuple for rule %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01939: "no namespace name supplied"
SQLSTATE: XX000
Description: The namespace name is not provided while it is created.
Solution: Provide a namespace name.
GAUSS-01940: "primary keys cannot be expressions"
SQLSTATE: 0A000
Description: Primary keys cannot be expressions.
Solution: Reselect the primary key.
GAUSS-01941 - GAUSS-01950
GAUSS-01942: "too few entries in colnames list"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01943: "must index at least one column"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01944: "user-defined indexes on system catalog tables are not supported"
SQLSTATE: 0A000
Description: User-defined indexes cannot be created in system catalogs.
Solution: Do not create indexes in system catalogs.
GAUSS-01945: "concurrent index creation on system catalog tables is not supported"
SQLSTATE: 0A000
Description: Indexes cannot be concurrently created in system catalogs.
Solution: Do not concurrently create indexes in system catalogs.
GAUSS-01946: "shared indexes cannot be created after gs_initdb"
SQLSTATE: 55000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01947: "constraint must be PRIMARY, UNIQUE or EXCLUDE"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01948: "constraints cannot have index expressions"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01949: "DROP INDEX CONCURRENTLY must be first action in transaction"
SQLSTATE: 0A000
Description:DROP INDEX CONCURRENTLY must be the first statement in a transaction block.
Solution: Move DROP INDEX CONCURRENTLY to the first statement in a transition block.
GAUSS-01950: "invalid indnatts %d for index %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01951 - GAUSS-01960
GAUSS-01951: "could not find tuple for partition %u"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01952: "cannot reindex temporary tables of other sessions"
SQLSTATE: 0A000
Description: Indexes in temporary tables of other sessions cannot be reorganized.
Solution: Do not reorganize indexes in temporary tables of other sessions.
GAUSS-01953: "cannot reindex while reindexing"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01954: "cache lookup failed for partitioned index %u"
SQLSTATE: XX000
Description: Failed to find the partitioned indexes in the system catalog cache.
Solution: Check whether partitioned indexes exist.
GAUSS-01955: "Memory alloc failed for indexInfo"
SQLSTATE: XX000
Description: Failed to generate the IndexInfo structure.
Solution: Ensure that the memory is sufficient.
GAUSS-01956: "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-01957: "mergingBtreeIndexes, zero or less than 2 or greater than 4 source index relations"
SQLSTATE: XX000
Description: During index merge, only one index is the source index or the number of indexes imported as source indexes exceeds the maximum number 300.
Solution:Contact technical support.
GAUSS-01958: "mergingBtreeIndexes, only btree indexes can be merged"
SQLSTATE: XX000
Description: Only B-tree indexes can be merged.
Solution:Contact technical support.
GAUSS-01959: "target merging index '%s' already contains data"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01961 - GAUSS-01970
GAUSS-01961: "invalid enum label '%s'"
SQLSTATE: 42602
Description: Invalid enum type.
Solution: Check whether SQL statements contain the invalid enumerated type displayed in the system.
GAUSS-01962: "'%s' is not an existing enum label"
SQLSTATE: 22023
Description: Invalid enum type.
Solution: Check whether SQL statements contain the invalid enumerated type displayed in the system.
GAUSS-01963: "ALTER TYPE ADD BEFORE/AFTER is incompatible with binary upgrade"
SQLSTATE: 22023
Description: Enumerated type change is incompatible with binary upgrade.
Solution: Check whether the SQL statements contain enumerated type change information.
GAUSS-01965: "alignment '%c' is invalid for passed-by-value type of size %d"
SQLSTATE: 42P17
Description: The length of the pass-by-value type is invalid.
Solution: Check the type definition.
GAUSS-01966: "internal size %d is invalid for passed-by-value type"
SQLSTATE: 42P17
Description: The length of the pass-by-value type is invalid.
Solution: Check the type definition.
GAUSS-01967: "alignment '%c' is invalid for variable-length type"
SQLSTATE: 42P17
Description: The alignment is invalid for the variable-length type.
Solution: Check the type definition.
GAUSS-01969: "cannot assign new OID to existing shell type"
SQLSTATE: XX000
Description:Internal system error.
Solution:Contact technical support.
GAUSS-01970: "could not form array type name for type '%s'"
SQLSTATE: 42710
Description: The array type name is too long.
Solution: Check whether the array type length defined in the current create type definition statement exceeds the maximum number 63.
GAUSS-01971 - GAUSS-01980
GAUSS-01973: "could not stat file or directory '%s': %m"
SQLSTATE: XX000
Description: Files or directories to be accessed during program operation do not exist.
Solution: Manually create required files or directories. Alternatively, reinitialize the data directory.
GAUSS-01977: "could not open file '%s': %m"
SQLSTATE: XX000
Description: Failed to open a file.
Solution: Analyze the cause based on the error message. If the file does not exist, create one. If the permission is incorrect, change the permission. If the file is damaged, restore the file system or disk.
GAUSS-01981 - GAUSS-01990
GAUSS-01983: "cannot continue WAL streaming, recovery has already ended"
SQLSTATE: XX000
Description: The walreceiver does not need to be enabled on the primary server. If it is enabled, an error message is reported.
Solution: The error message reporting is normal and does not need to be handled.
GAUSS-01984: "invalid standby handshake message type %d"
SQLSTATE: 08P01
Description: The primary server receives an invalid handshake type from the standby server.
Solution: Check whether the primary and standby server environment is normal and whether packet loss occurs. If no such issues exist, an internal error occurs. Contact technical support.
GAUSS-01986: "invalid standby message type '%c'"
SQLSTATE: 08P01
Description: The primary server receives an invalid message type from the standby server.
Solution: Check whether the primary and standby server environment is normal and whether packet loss occurs. If no such issues exist, an internal error occurs. Contact technical support.
GAUSS-01987: "number of requested standby connections exceeds max_wal_senders (currently %d)"
SQLSTATE: 53300
Description: The number of connection requests from the standby server to the primary server exceeds the upper limit. The reason may be that the standby server attempts to connect to the primary server many times but fail. Also, the value of max_wal_senders for the primary server may be too small, especially when the build command is executed on the standby server, because two threads are started on the primary server to send data and logs.
Solution: Check whether the former connections are ended. If not, manually close them. Check whether the value of max_wal_senders is too small. If yes, increase the value.