{"record":{"id":"87fa872797ae2cc9","repo":"influxdata/influxdb","slug":"no-catalog-changes-to-apply-details","errorCode":null,"errorMessage":"no catalog changes to apply: {details}","messagePattern":"no catalog changes to apply: (.+?)","errorType":"validation","errorClass":"CatalogError","httpStatus":null,"severity":"info","filePath":"influxdb3_catalog/src/error.rs","lineNumber":60,"sourceCode":"    Enterprise(#[from] EnterpriseCatalogError),\n\n    #[error(\"object store error: {0:?}\")]\n    ObjectStore(#[from] ObjectStoreCatalogError),\n\n    #[error(\"catalog format error: {0}\")]\n    Format(#[from] FormatError),\n\n    #[error(\"attempted to create a resource that already exists\")]\n    AlreadyExists,\n\n    #[error(\"the requested resource was not found: {0}\")]\n    NotFound(String),\n\n    #[error(\"attempted to modify resource that was already deleted: {0}\")]\n    AlreadyDeleted(String),\n\n    /// Request is idempotent: no catalog state would change.\n    #[error(\"no catalog changes to apply: {details}\")]\n    NoCatalogChange { details: String },\n\n    /// Request is invalid.\n    #[error(\"catalog internal error: {details}\")]\n    Internal { details: String },\n\n    #[error(\n        \"persisted catalog checkpoint sequence {checkpoint_sequence} is ahead of live catalog sequence {live_sequence}\"\n    )]\n    BackupCheckpointAhead {\n        checkpoint_sequence: u64,\n        live_sequence: u64,\n    },\n\n    #[error(\"invalid configuration provided: {message}\")]\n    InvalidConfiguration { message: Box<str> },\n\n    #[error(\"only tag and string columns are supported in the distinct cache\")]","sourceCodeStart":42,"sourceCodeEnd":78,"githubUrl":"https://github.com/influxdata/influxdb/blob/06200ef96ba82c5f6727e5038a83af8e722c6875/influxdb3_catalog/src/error.rs#L42-L78","documentation":"CatalogError::NoCatalogChange { details } is returned when a requested mutation is idempotent: applying it would not change any catalog state. It is informational in nature — the current state already matches the requested state. details explains what was already in place.","triggerScenarios":"Creating a table with a schema identical to the existing one; re-adding a column that already exists with the same type; re-running an idempotent DDL migration; setting a cache/trigger configuration identical to the current one.","commonSituations":"Deployment scripts or IaC re-applying desired-state DDL on every deploy; retry of a create that actually succeeded earlier; running migrations multiple times.","solutions":["Treat this variant as success in idempotent apply flows","Skip the operation if the resource already matches the desired definition","Compare requested vs existing schema/config before calling the API","Match on CatalogError::NoCatalogChange and log at info level"],"exampleFix":"// before\nlet t = db.create_table(schema).await?;\n// after\nlet t = match db.create_table(schema).await {\n    Ok(t) => t,\n    Err(CatalogError::NoCatalogChange { .. }) => db.table(schema.name()).unwrap(),\n    Err(e) => return Err(e.into()),\n};","handlingStrategy":"try-catch","validationCode":"// Rust: diff desired vs current before applying\nif db.table_schema(name)? == desired_schema {\n    eprintln!(\"schema already matches; skipping create\");\n}","typeGuard":"fn is_no_change(err: &CatalogError) -> bool {\n    matches!(err, CatalogError::NoCatalogChange { .. })\n}","tryCatchPattern":"match db.create_table(schema).await {\n    Ok(t) => t,\n    Err(CatalogError::NoCatalogChange { details }) => {\n        tracing::info!(\"idempotent apply: {details}\");\n        db.table(schema.name()).unwrap()\n    }\n    Err(e) => return Err(e.into()),\n}","preventionTips":["Write DDL migrations as idempotent desired-state applies","Log this variant at info, not error","Compare definitions before issuing create calls","Deduplicate migration runs with a marker table"],"tags":["idempotent","catalog","no-op"],"backgroundTag":"invalid-state-transition","analyzedSha":"06200ef96ba82c5f6727e5038a83af8e722c6875","analyzedAt":"2026-09-19T12:55:30.003Z","contentChangedAt":"2026-09-19T12:55:30.003Z","schemaVersion":2},"datasetVersion":"2026-09-23T08:17:48.524Z"}