{"record":{"id":"c67e66a276effa46","repo":"apache/iceberg","slug":"resolving-a-sql-with-a-given-dialect-is-not-suppor","errorCode":null,"errorMessage":"Resolving a sql with a given dialect is not supported","messagePattern":"Resolving a sql with a given dialect is not supported","errorType":"exception","errorClass":"UnsupportedOperationException","httpStatus":null,"severity":"error","filePath":"api/src/main/java/org/apache/iceberg/view/View.java","lineNumber":132,"sourceCode":"  }\n\n  /**\n   * Returns the view's UUID\n   *\n   * @return the view's UUID\n   */\n  default UUID uuid() {\n    throw new UnsupportedOperationException(\"Retrieving a view's uuid is not supported\");\n  }\n\n  /**\n   * Returns the view representation for the given SQL dialect\n   *\n   * @return the view representation for the given SQL dialect, or null if no representation could\n   *     be resolved\n   */\n  default SQLViewRepresentation sqlFor(String dialect) {\n    throw new UnsupportedOperationException(\n        \"Resolving a sql with a given dialect is not supported\");\n  }\n}\n","sourceCodeStart":114,"sourceCodeEnd":136,"githubUrl":"https://github.com/apache/iceberg/blob/86d9c8fc543e7c56c9f624eb725f76c9baff9570/api/src/main/java/org/apache/iceberg/view/View.java#L114-L136","documentation":"View.sqlFor(String dialect) is a default interface method that throws UnsupportedOperationException. It resolves the SQLViewRepresentation for a given engine dialect (e.g. \"spark\", \"trino\"); implementations without view-version resolution support throw instead of returning null.","triggerScenarios":"Calling view.sqlFor(\"spark\") (often from Spark SQL rendering of views, e.g. sqlRepr) on a View implementation that has not overridden sqlFor().","commonSituations":"Rendering a view's stored SQL in a query engine or tooling; using a stub View in unit tests of dialect resolution.","solutions":["Use a View implementation backed by view metadata that overrides sqlFor().","Iterate view.currentVersion().representations() manually and match the dialect case-insensitively yourself.","Handle the null return documented by the API by overriding sqlFor in your implementation rather than relying on the default."],"exampleFix":"// before\nSQLViewRepresentation repr = view.sqlFor(dialect);\n\n// after\nSQLViewRepresentation repr = view.currentVersion().representations().stream()\n    .filter(r -> r.dialect().equalsIgnoreCase(dialect))\n    .findFirst()\n    .orElse(null);","handlingStrategy":"fallback","validationCode":"boolean canResolve = view.currentVersion() != null && !view.currentVersion().representations().isEmpty();","typeGuard":null,"tryCatchPattern":"try { return view.sqlFor(dialect); } catch (UnsupportedOperationException e) { return resolveManually(view.currentVersion().representations(), dialect); }","preventionTips":["Iterate currentVersion().representations() and match dialect manually as a portable path","Case-insensitively compare dialect names per Postel's law"],"tags":["java","iceberg","view","sql-dialect","unsupported-operation"],"backgroundTag":"unsupported-operation","analyzedSha":"86d9c8fc543e7c56c9f624eb725f76c9baff9570","analyzedAt":"2026-09-12T00:46:39.097Z","contentChangedAt":"2026-09-12T00:46:39.097Z","schemaVersion":2},"datasetVersion":"2026-09-14T16:17:12.679Z"}