{"record":{"id":"27f18894ccf1f021","repo":"risingwavelabs/risingwave","slug":"invalid-input-syntax-0","errorCode":null,"errorMessage":"Invalid input syntax: {0}","messagePattern":"Invalid input syntax: (.+?)","errorType":"error_code","errorClass":"ErrorCode","httpStatus":null,"severity":"error","filePath":"src/frontend/src/error.rs","lineNumber":161,"sourceCode":"    #[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),\n    #[error(\"Sink error: {0}\")]\n    SinkError(","sourceCodeStart":143,"sourceCodeEnd":179,"githubUrl":"https://github.com/risingwavelabs/risingwave/blob/6469eb736d691e8e9b8a419a57edd6429ca77417/src/frontend/src/error.rs#L143-L179","documentation":"RisingWave frontend's ErrorCode::InvalidInputSyntax variant, rendered as \"Invalid input syntax: {0}\". It marks user input whose syntax is invalid for the requested operation, most commonly in aggregate function binding (src/frontend/src/binder/expr/function/aggregate.rs:37 and many later sites) where arguments or string parameters to aggregates do not parse.","triggerScenarios":"Calling an aggregate with an invalid string argument (e.g. unknown mode/parameter syntax); GROUPING/ORDER-BY-within-aggregate constructs that don't parse; string literals passed to aggregates that expect a specific syntax.","commonSituations":"Porting Postgres-specific aggregate syntax that RisingWave doesn't parse yet; typos in aggregate parameter strings (e.g. ORDER BY / DISTINCT usage); copy-pasted SQL from other engines.","solutions":["Check the exact aggregate signature in RisingWave docs and fix the argument syntax.","Remove engine-specific constructs (unsupported FILTER/ORDER BY forms) or rewrite with equivalent expressions.","Quote/escape string arguments correctly and confirm allowed values for parameters.","If the syntax is valid in Postgres but rejected here, file a compatibility issue with the query."],"exampleFix":"// before\nSELECT string_agg(name ORDER BY id DESC, ',') FROM t; -- invalid arg syntax\n// after\nSELECT string_agg(name, ',' ORDER BY id DESC) FROM t;","handlingStrategy":"validation","validationCode":"// validate aggregate argument strings against allowed values before building SQL\nif (!['ASC','DESC'].includes(dir)) throw new Error('bad agg arg');","typeGuard":null,"tryCatchPattern":"try { await db.query(sql) } catch (e) {\n  if (/Invalid input syntax:/.test(e.message)) { console.error('fix aggregate syntax:', e.message); throw e; }\n  throw e;\n}","preventionTips":["Check RisingWave aggregate function signatures before porting Postgres SQL.","Escape and validate all string parameters passed to aggregates.","Keep an engine-compatibility checklist for cross-database queries."],"tags":["sql","syntax","risingwave","aggregates"],"backgroundTag":"invalid-argument-format","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"}