{"record":{"id":"e8aad5f273aa2865","repo":"risingwavelabs/risingwave","slug":"invalid-insert-operation-0","errorCode":null,"errorMessage":"Invalid insert operation: {0}","messagePattern":"Invalid insert operation: (.+?)","errorType":"error_code","errorClass":"ErrorCode","httpStatus":null,"severity":"error","filePath":"src/frontend/src/error.rs","lineNumber":159,"sourceCode":"    #[error(\"Protocol error: {0}\")]\n    ProtocolError(#[message] String),\n    #[error(\"Scheduler error: {0}\")]\n    SchedulerError(\n        #[source]\n        #[backtrace]\n        BoxedError,\n    ),\n    #[error(\"Task not found\")]\n    TaskNotFound,\n    #[error(\"Session not found\")]\n    SessionNotFound,\n    #[error(\"Invalid reference: {0}\")]\n    InvalidReference(String),\n    #[error(\"Item not found: {0}\")]\n    ItemNotFound(String),\n    #[error(\"Duplicate Relation Name: {0}\")]\n    DuplicateRelationName(String),\n    #[error(\"Invalid insert operation: {0}\")]\n    InsertViolation(String),\n    #[error(\"Invalid input syntax: {0}\")]\n    InvalidInputSyntax(#[message] String),\n    #[error(\"Cannot compare in memory: {0}\")]\n    MemComparableError(#[from] memcomparable::Error),\n    #[error(\"Error while de/se values: {0}\")]\n    ValueEncodingError(\n        #[from]\n        #[backtrace]\n        ValueEncodingError,\n    ),\n    #[error(\"Invalid value `{config_value}` for `{config_entry}`\")]\n    InvalidConfigValue {\n        config_entry: String,\n        config_value: String,\n    },\n    #[error(\"Invalid parameter value: {0}\")]\n    InvalidParameterValue(String),","sourceCodeStart":141,"sourceCodeEnd":177,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/frontend/src/error.rs#L141-L177","documentation":"RisingWave frontend's ErrorCode::InsertViolation variant, rendered as \"Invalid insert operation: {0}\". It is raised by the INSERT binder (src/frontend/src/binder/insert.rs:181) when the insert statement is structurally invalid — for example the number of supplied values/columns does not match the target table, or the insert form is unsupported for the target relation.","triggerScenarios":"INSERT with a value list whose arity differs from the table's column count; column list in INSERT not matching the VALUES row length; inserting into a relation that does not accept this insert shape (e.g. wrong target type).","commonSituations":"Schema changed (column added/removed) but the INSERT statement was not updated; ORM/generated SQL emitting stale column lists; hand-written multi-row INSERTS with mismatched row lengths.","solutions":["Compare the INSERT column list and each VALUES row length against SHOW COLUMNS FROM <table>.","Either supply an explicit column list or pad/trim the VALUES to match the table's current schema.","Regenerate ORM entities after any ALTER TABLE on the target table.","Ensure the insert target is a plain table (not a source/materialized view) if the operation is unsupported."],"exampleFix":"// before\nINSERT INTO t VALUES (1); -- t has 2 columns\n// after\nINSERT INTO t VALUES (1, 'x'); -- matches column count","handlingStrategy":"validation","validationCode":"-- before INSERT\nSELECT count(*) FROM information_schema.columns WHERE table_name = 't';\n-- compare with number of columns in the INSERT statement","typeGuard":null,"tryCatchPattern":"try { await db.insert(vals) } catch (e) {\n  if (/Invalid insert operation:/.test(e.message)) { await syncSchema(); throw e; }\n  throw e;\n}","preventionTips":["Always use an explicit column list in INSERT statements.","Regenerate ORM entities after schema migrations.","Add a CI check that validates INSERT arity against the live schema."],"tags":["sql","insert","risingwave","binder"],"backgroundTag":"schema-validation-failed","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"}