{"record":{"id":"df49b5e49a4ecf0e","repo":"risingwavelabs/risingwave","slug":"array-error-0-df49b5","errorCode":null,"errorMessage":"Array error: {0}","messagePattern":"Array error: (.+?)","errorType":"error_code","errorClass":"ErrorCode::ArrayError","httpStatus":null,"severity":"error","filePath":"src/frontend/src/error.rs","lineNumber":88,"sourceCode":"        #[source]\n        BoxedError,\n    ),\n    #[error(\"Expr error: {0}\")]\n    ExprError(\n        #[source]\n        #[backtrace]\n        BoxedError,\n    ),\n    // TODO(error-handling): there's a limitation that `#[transparent]` can't be used with `#[backtrace]` if no `#[from]`\n    // So we emulate a transparent error with \"{0}\" display here.\n    #[error(\"{0}\")]\n    BatchError(\n        #[source]\n        #[backtrace]\n        // `BatchError`\n        BoxedError,\n    ),\n    #[error(\"Array error: {0}\")]\n    ArrayError(\n        #[from]\n        #[backtrace]\n        ArrayError,\n    ),\n    #[cfg(feature = \"datafusion\")]\n    #[error(\"DataFusion error: {0}\")]\n    DataFusionError(\n        #[from]\n        #[backtrace]\n        datafusion_common::DataFusionError,\n    ),\n    #[error(\"Stream error: {0}\")]\n    StreamError(\n        #[backtrace]\n        #[source]\n        BoxedError,\n    ),","sourceCodeStart":70,"sourceCodeEnd":106,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/frontend/src/error.rs#L70-L106","documentation":"`ErrorCode::ArrayError` is the `#[from]` conversion of the `ArrayError` type from the array/data-block layer. It signals failures constructing or accessing columnar arrays: length mismatches, invalid null bitmaps, or out-of-range element access.","triggerScenarios":"Batch/stream execution builds or reads column arrays and an invariant fails: mismatched chunk lengths, bad offset/null buffers, or an internal array operation error converted via `#[from]`.","commonSituations":"Usually a RisingWave internal bug rather than user error; may appear after data with unusual encodings (deeply nested structs) or after version upgrades.","solutions":["Note the exact SQL and data shape that triggered it","Check for a known issue in the RisingWave tracker with the message","Try simplifying the query or casting nested types to simpler ones as a workaround","File a bug with a reproducible dataset"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"null","typeGuard":"fn is_array_error(e: &RwError) -> bool { matches!(e.get_code(), ErrorCode::ArrayError(_)) }","tryCatchPattern":"match err.get_code() { ErrorCode::ArrayError(inner) => { log_bug(inner); fallback_query(); }, _ => propagate }","preventionTips":["Report occurrences — usually an internal bug needing upstream fix","Test queries against representative nested data before production","Upgrade RisingWave when array-handling fixes land","Avoid exotic encodings unless required"],"tags":["array","columnar","internal"],"backgroundTag":"internal-invariant-violation","analyzedSha":"6469eb736d691e8e9b8a419a57edd6429ca77417","analyzedAt":"2026-09-11T21:06:21.487Z","contentChangedAt":"2026-09-11T21:06:21.487Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}