{"record":{"id":"e36a4cf1f4d149d6","repo":"t8y2/dbx","slug":"failed-to-disable-oracle-segment-attributes-w","errorCode":null,"errorMessage":"failed to disable Oracle segment attributes: %w","messagePattern":"failed to disable Oracle segment attributes: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"agents/drivers/oracle-go/main.go","lineNumber":3142,"sourceCode":"\t\tif fallbackErr != nil {\n\t\t\treturn \"\", fallbackErr\n\t\t}\n\t\tif portable {\n\t\t\treturn s.appendTableDependentDDLWithIndexes(schema, table, fallback, indexDDLs), nil\n\t\t}\n\t\treturn s.appendTableDependentDDL(schema, table, fallback), nil\n\t}\n\treturn \"\", err\n}\n\nfunc withOraclePortableMetadataSession(db *sql.DB, operation func(*sql.Conn) error) (err error) {\n\tconn, err := db.Conn(context.Background())\n\tif err != nil {\n\t\treturn err\n\t}\n\tif _, err = conn.ExecContext(context.Background(), oracleDisableSegmentAttributesSQL); err != nil {\n\t\t_ = conn.Close()\n\t\treturn fmt.Errorf(\"failed to disable Oracle segment attributes: %w\", err)\n\t}\n\tdefer func() {\n\t\tif _, resetErr := conn.ExecContext(context.Background(), oracleEnableSegmentAttributesSQL); resetErr != nil {\n\t\t\t_ = conn.Raw(func(any) error { return driver.ErrBadConn })\n\t\t\tif err == nil {\n\t\t\t\terr = fmt.Errorf(\"failed to restore Oracle segment attributes: %w\", resetErr)\n\t\t\t}\n\t\t}\n\t\t_ = conn.Close()\n\t}()\n\treturn operation(conn)\n}\n\nfunc (s *server) appendTableDependentDDL(schema, table, tableDDL string) string {\n\tindexDDLs, _ := s.loadTableIndexDDLs(schema, table)\n\treturn s.appendTableDependentDDLWithIndexes(schema, table, tableDDL, indexDDLs)\n}\n","sourceCodeStart":3124,"sourceCodeEnd":3160,"githubUrl":"https://github.com/t8y2/dbx/blob/c0390bff16418b651f4728520d99adf8ce48829a/agents/drivers/oracle-go/main.go#L3124-L3160","documentation":"Before certain DDL/dump operations the driver disables Oracle segment-creation attributes (oracleDisableSegmentAttributesSQL) on a dedicated connection so the operation is not blocked; failure to execute that SQL is wrapped as this error. The reset (enable) SQL is deferred so attributes are always restored.","triggerScenarios":"The connection lacks privileges to alter segment attributes, the SQL is invalid for the Oracle version/edition, or the connection fails right after being checked out (network drop, bad pooled conn).","commonSituations":"Running against Oracle Express/older editions where the relevant feature is unavailable; a user without ALTER SESSION/segment privileges; restricted sessions or read-only setups.","solutions":["Grant the connecting user the privileges needed to alter session/segment attributes","Verify the Oracle edition/version supports the statement (check the wrapped ORA- error)","Confirm network/credentials are valid since a broken conn will fail the very first statement","If the edition does not support it, upgrade Oracle or adjust the driver to skip the disable step where safe"],"exampleFix":"// before\nGRANT CREATE SESSION TO app_user; -- insufficient for ALTER SESSION attrs\n// after\nGRANT ALTER SESSION TO app_user; -- re-run the export","handlingStrategy":"try-catch","validationCode":"var hasPriv bool\nif err := db.QueryRowContext(ctx, \"SELECT COUNT(*) FROM session_privs WHERE privilege = 'ALTER SESSION'\").Scan(&hasPriv); err != nil || !hasPriv {\n    return errors.New(\"ALTER SESSION privilege required for segment attribute toggle\")\n}","typeGuard":null,"tryCatchPattern":"err := withSegmentAttributesDisabled(db, op)\nif err != nil && strings.Contains(err.Error(), \"disable Oracle segment attributes\") {\n    // fall back to running op without the attribute tweak, or surface a privileges hint\n    return fmt.Errorf(\"check privileges/edition for segment attributes: %w\", err)\n}","preventionTips":["Grant ALTER SESSION and related privileges to the driver's DB user","Verify the Oracle edition supports the statement before running exports","Pre-flight with a no-op ALTER SESSION to catch permission issues early","Check wrapped ORA- codes (e.g. ORA-01031) to distinguish grants from version limits"],"tags":["go","oracle","privileges","ddl"],"backgroundTag":"insufficient-privileges","analyzedSha":"c0390bff16418b651f4728520d99adf8ce48829a","analyzedAt":"2026-09-05T23:05:10.900Z","contentChangedAt":"2026-09-05T23:05:10.900Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}