{"record":{"id":"fdf22432ee711383","repo":"prestodb/presto","slug":"updatenclob","errorCode":null,"errorMessage":"updateNClob","messagePattern":"updateNClob","errorType":"exception","errorClass":"SQLFeatureNotSupportedException","httpStatus":null,"severity":"error","filePath":"presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoResultSet.java","lineNumber":1342,"sourceCode":"    @Override\n    public void updateNString(int columnIndex, String nString)\n            throws SQLException\n    {\n        throw new SQLFeatureNotSupportedException(\"updateNString\");\n    }\n\n    @Override\n    public void updateNString(String columnLabel, String nString)\n            throws SQLException\n    {\n        throw new SQLFeatureNotSupportedException(\"updateNString\");\n    }\n\n    @Override\n    public void updateNClob(int columnIndex, NClob nClob)\n            throws SQLException\n    {\n        throw new SQLFeatureNotSupportedException(\"updateNClob\");\n    }\n\n    @Override\n    public void updateNClob(String columnLabel, NClob nClob)\n            throws SQLException\n    {\n        throw new SQLFeatureNotSupportedException(\"updateNClob\");\n    }\n\n    @Override\n    public NClob getNClob(int columnIndex)\n            throws SQLException\n    {\n        throw new SQLFeatureNotSupportedException(\"getNClob\");\n    }\n\n    @Override\n    public NClob getNClob(String columnLabel)","sourceCodeStart":1324,"sourceCodeEnd":1360,"githubUrl":"https://github.com/prestodb/presto/blob/55bb57d202de3b926896fa966c2c4a44c779634e/presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoResultSet.java#L1324-L1360","documentation":"PrestoResultSet does not support NClob updates: updateNClob is an unconditional sentinel that throws SQLFeatureNotSupportedException with its own name as the message. It exists only to satisfy the ResultSet interface and fires on any client call.","triggerScenarios":"Thrown at presto-jdbc/src/main/java/com/facebook/presto/jdbc/PrestoResultSet.java:1342 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Modify NCLOB data via explicit UPDATE statements","Retrieve large character data as String with getString","Avoid NClob update APIs with the Presto driver"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"55bb57d202de3b926896fa966c2c4a44c779634e","analyzedAt":"2026-09-04T12:50:26.162Z","contentChangedAt":"2026-09-04T12:50:26.162Z","schemaVersion":2},"datasetVersion":"2026-09-11T21:17:09.523Z"}