Help Center> Data Replication Service> Troubleshooting> Solutions to Failed Check Items> Database Parameters> Checking Whether the Source Database Contains Unsupported Table Field Types
Updated on 2024-06-07 GMT+08:00

Checking Whether the Source Database Contains Unsupported Table Field Types

Oracle Synchronization

Table 1 Checking whether the source database contains unsupported table field types

Check Item

Whether the source database contains unsupported table field types

Description

Check whether the source database contains unsupported table field types.

Failure Cause and Handling Suggestion

Failure cause: The source database contains unsupported table field types. The following table field types are supported: VARCHAR, VARCHAR2, NVARCHAR2, NUMBER, FLOAT, LONG, DATE, BINARY_FLOAT, BINARY_DOUBLE, RAW, LONG RAW, CHAR, NCHAR, CLOB, NCLOB, BLOB, ROWID, TIMESTAMP, TIMESTAMP WITH TIME ZONE and TIMESTAMP WITH LOCAL TIME ZONE.

Handling suggestion: Select other tables that can be synchronized.

MySQL -> GaussDB(DWS)

Table 2 Checking whether the source database contains unsupported table field types

Check Item

Whether the source database contains unsupported table field types

Description

Check whether the source database contains unsupported table field types.

Failure Cause and Handling Suggestion

Failure cause: The source database contains unsupported table field types. The following table field types are not supported: xml, geometry, point, lineString, polygon, geometrycollection, multipoint, multilinestring and multipolygon.

Handling suggestion: Delete the columns containing the unsupported field types. Alternatively, do not synchronize the tables containing the unsupported table field types.

Synchronization from MySQL to PostgreSQL

Table 3 Checking whether the source database contains unsupported table field types

Check Item

Whether the source database contains unsupported table field types

Description

The following table field types are not supported: geometry, point, lineString, polygon, geometrycollection, multipoint, multilinestring, and multipolygon. The source database contains unsupported table field types, resulting in migration failures.

Failure Cause and Handling Suggestion

Failure cause: The source database contains unsupported table field types.

Handling suggestion: Delete the columns containing the unsupported field types. Alternatively, do not migrate the table containing the unsupported table field types.