apache/shardingsphere · error · SQLFeatureNotSupportedException

updateBlob

Error message

updateBlob

What it means

Error "updateBlob" thrown in apache/shardingsphere.

Source

Thrown at kernel/sql-federation/core/src/main/java/org/apache/shardingsphere/sqlfederation/resultset/AbstractUnsupportedUpdateOperationSQLFederationResultSet.java:334

    
    @Override
    public final void updateObject(final String columnLabel, final Object x, final int scaleOrLength) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateObject");
    }
    
    @Override
    public final void updateRef(final int columnIndex, final Ref x) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateRef");
    }
    
    @Override
    public final void updateRef(final String columnLabel, final Ref x) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateRef");
    }
    
    @Override
    public final void updateBlob(final int columnIndex, final Blob x) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateBlob");
    }
    
    @Override
    public final void updateBlob(final String columnLabel, final Blob x) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateBlob");
    }
    
    @Override
    public final void updateBlob(final int columnIndex, final InputStream inputStream) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateBlob");
    }
    
    @Override
    public final void updateBlob(final String columnLabel, final InputStream inputStream) throws SQLException {
        throw new SQLFeatureNotSupportedException("updateBlob");
    }
    
    @Override

View on GitHub (pinned to e952770a21)

Solutions

1. updateBlob is not supported on SQL federation result sets; avoid calling it.
2. Update the BLOB column with a standard UPDATE statement instead.

When it happens

Trigger: updateBlob is invoked on a read-only SQL federation result set.

Common situations: Code using updatable ResultSet BLOB handling against federated query results.

AI-assisted analysis of apache/shardingsphere@e952770a21 (2026-08-14). Data as JSON: /api/errors/bb7253e5212bb0f3. Report an issue: GitHub.