What should I do if I encounter the error OnlineDDLErrorCode_DuplicateKeyOrColumn while executing a lock-free schema change task?--Database Workshop-Volcengine

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Data change ticket

Creating a regular SQL change ticket

Creating a lock-free data change ticket

Creating a lock-free schema change ticket (OnlineDDL)

Managing data change tickets

SQL review ticket

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Managing an SQL review ticket

Clear table tickets

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Manage clear table tickets

Data cleanup and archiving ticket

Creating a data cleanup and archiving ticket

Managing a data cleanup and archiving ticket

Data import and export ticket

Creating a data import ticket

Creating a full database export ticket

Creating an SQL result set export ticket

Managing import and export tickets

Permission application ticket

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Data management

SQL window

Database management

Stored procedure management

Function management

Event management

Data import and export

Importing table data

Creating a full database export task

Exporting an SQL result set

Viewing a data import or export task

Deleting a data import or export task

Ticket list

Data change ticket

Creating a regular SQL change ticket

Creating a lock-free data change ticket

Creating a lock-free schema change ticket (OnlineDDL)

Managing data change tickets

SQL review ticket

Creating an SQL review ticket

Managing an SQL review ticket

Clear table ticket

Create a clear table ticket

Manage clear table tickets

Data cleanup and archiving ticket

Creating a data cleanup and archiving ticket

Managing a data cleanup and archiving ticket

Data import and export ticket

Creating a data import ticket

Creating a full database export ticket

Creating an SQL result set export ticket

Managing import and export tickets

Permission application ticket

Create an operation permission ticket

SQL throttling management

Operation and maintenance management

Observation and diagnosis

Session management

Log management

Slow log details

Slow log diagnosis

Error log management

Database audit management

One-click diagnosis management

Space analysis management

Transaction and lock management

SQL insights and auditing management

AutoOps management

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Automatic index creation management

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Granting system role operation permissions

Enterprise security management

Security rules

User guide (RDS for PostgreSQL)

Instance list

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Data management

SQL window

Exporting an SQL result set

Ticket list

Data change ticket

Creating a regular SQL change ticket

Managing data change tickets

SQL review ticket

Creating an SQL review ticket

Managing an SQL review ticket

Permission application ticket

Spatial analysis management

Operation and maintenance management

Observation and diagnosis

Session management

Log management

Database audit

One-click diagnosis management

SQL insights and auditing management

Transaction and lock management

AutoOps

Storage space expansion management

Enterprise security management

Security rules

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Data management

SQL window

Command operations

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Collection management

Index management

Ticket management

Permission application ticket

Creating a data import ticket

Data import and export ticket

Creating a full database export ticket

Managing import and export tickets

Operation and maintenance management

Session management

Spatial analysis management

Enterprise security management

Security rules