{"record":{"id":"d55cb6a8f39c8a00","repo":"risingwavelabs/risingwave","slug":"bind-error-0","errorCode":null,"errorMessage":"Bind error: {0}","messagePattern":"Bind error: (.+?)","errorType":"error_code","errorClass":"ErrorCode::BindError","httpStatus":null,"severity":"error","filePath":"src/frontend/src/error.rs","lineNumber":118,"sourceCode":"    ),\n    #[error(\"Stream error: {0}\")]\n    StreamError(\n        #[backtrace]\n        #[source]\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    RpcError(\n        #[source]\n        #[backtrace]\n        // `tonic::transport::Error`, `TonicStatusWrapper`, or `RpcError`\n        BoxedError,\n    ),\n    // TODO: use a new type for bind error\n    // TODO(error-handling): should prefer use error types than strings.\n    #[error(\"Bind error: {0}\")]\n    BindError(#[message] String),\n    // TODO: only keep this one\n    #[error(\"Failed to bind expression: {expr}: {error}\")]\n    BindErrorRoot {\n        expr: String,\n        #[source]\n        #[backtrace]\n        error: BoxedError,\n    },\n    #[error(transparent)]\n    CastError(\n        #[from]\n        #[backtrace]\n        CastError,\n    ),\n    #[error(\"Catalog error: {0}\")]\n    CatalogError(\n        #[source]","sourceCodeStart":100,"sourceCodeEnd":136,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/frontend/src/error.rs#L100-L136","documentation":"`ErrorCode::BindError` is a plain-string bind-phase error (`#[message] String`). The binder resolves names, types, and function signatures; failures here that don't fit a more specific code (and lack an attached expression) are reported with this string. TODO comments note it should be replaced by `BindErrorRoot`.","triggerScenarios":"Binder calls fail with only a message available: unresolved context, invalid argument counts/types for functions in unusual call sites, or internal binder assumptions broken during name/type resolution of a statement.","commonSituations":"Typo'd or ambiguous identifiers, calling functions with wrong arity, using objects in contexts where they aren't visible, or legacy paths still emitting string-only bind errors.","solutions":["Read the message text — it names the unresolved symbol or bad argument","Qualify identifiers with the correct schema (`schema.table`)","Check function signatures with `SHOW FUNCTIONS` or docs for correct arity/types","Prefer diagnosing via the related `Failed to bind expression` error if one is also raised"],"exampleFix":"-- before\nSELECT my_func(a) FROM public.t; -- BindError: function my_func(int) does not exist\n-- after\nSELECT public.my_func(a::int) FROM public.t;","handlingStrategy":"validation","validationCode":"-- pre-flight: confirm objects exist and functions are known\nSELECT 1 FROM pg_tables WHERE schemaname='public' AND tablename='t';\nSHOW FUNCTIONS LIKE 'my_func%';","typeGuard":"fn is_bind_error(e: &RwError) -> bool { matches!(e.get_code(), ErrorCode::BindError(_)) }","tryCatchPattern":"match err.get_code() { ErrorCode::BindError(msg) => eprintln!(\"bind failed: {msg}\"), _ => propagate }","preventionTips":["Qualify identifiers with schema names","Verify function arity/types via SHOW FUNCTIONS before use","Lint SQL for unknown identifiers in CI","Keep bindings checked against the target RisingWave version's catalog"],"tags":["binder","sql","frontend"],"backgroundTag":"invalid-argument-value","analyzedSha":"6469eb736d691e8e9b8a419a57edd6429ca77417","analyzedAt":"2026-09-11T21:06:21.487Z","contentChangedAt":"2026-09-11T21:06:21.487Z","schemaVersion":2},"datasetVersion":"2026-09-14T16:17:12.679Z"}