iceberg_catalog_s3tables/
catalog.rs

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5// to you under the Apache License, Version 2.0 (the
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8//
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14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use std::collections::HashMap;
19use std::future::Future;
20use std::str::FromStr;
21use std::sync::Arc;
22
23use async_trait::async_trait;
24use aws_sdk_s3tables::operation::create_table::CreateTableOutput;
25use aws_sdk_s3tables::operation::get_namespace::GetNamespaceOutput;
26use aws_sdk_s3tables::operation::get_table::{GetTableError, GetTableOutput};
27use aws_sdk_s3tables::operation::list_tables::ListTablesOutput;
28use aws_sdk_s3tables::operation::update_table_metadata_location::UpdateTableMetadataLocationError;
29use aws_sdk_s3tables::types::OpenTableFormat;
30use iceberg::encryption::kms::{KeyManagementClient, KmsClientFactory};
31use iceberg::io::{FileIO, FileIOBuilder, StorageFactory};
32use iceberg::spec::{TableMetadata, TableMetadataBuilder};
33use iceberg::table::Table;
34use iceberg::{
35    Catalog, CatalogBuilder, Error, ErrorKind, MetadataLocation, Namespace, NamespaceIdent, Result,
36    Runtime, TableCommit, TableCreation, TableIdent,
37};
38use iceberg_storage_opendal::OpenDalStorageFactory;
39
40use crate::utils::create_sdk_config;
41
42/// S3Tables table bucket ARN property
43pub const S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN: &str = "table_bucket_arn";
44/// S3Tables endpoint URL property
45pub const S3TABLES_CATALOG_PROP_ENDPOINT_URL: &str = "endpoint_url";
46
47/// S3Tables catalog configuration.
48#[derive(Debug)]
49struct S3TablesCatalogConfig {
50    /// Catalog name.
51    name: Option<String>,
52    /// Unlike other buckets, S3Tables bucket is not a physical bucket, but a virtual bucket
53    /// that is managed by s3tables. We can't directly access the bucket with path like
54    /// s3://{bucket_name}/{file_path}, all the operations are done with respect of the bucket
55    /// ARN.
56    table_bucket_arn: String,
57    /// Endpoint URL for the catalog.
58    endpoint_url: Option<String>,
59    /// Optional pre-configured AWS SDK client for S3Tables.
60    client: Option<aws_sdk_s3tables::Client>,
61    /// Properties for the catalog. The available properties are:
62    /// - `profile_name`: The name of the AWS profile to use.
63    /// - `region_name`: The AWS region to use.
64    /// - `aws_access_key_id`: The AWS access key ID to use.
65    /// - `aws_secret_access_key`: The AWS secret access key to use.
66    /// - `aws_session_token`: The AWS session token to use.
67    props: HashMap<String, String>,
68}
69
70/// Builder for [`S3TablesCatalog`].
71#[derive(Debug)]
72pub struct S3TablesCatalogBuilder {
73    config: S3TablesCatalogConfig,
74    storage_factory: Option<Arc<dyn StorageFactory>>,
75    kms_client_factory: Option<Arc<dyn KmsClientFactory>>,
76    runtime: Option<Runtime>,
77}
78
79/// Default builder for [`S3TablesCatalog`].
80impl Default for S3TablesCatalogBuilder {
81    fn default() -> Self {
82        Self {
83            config: S3TablesCatalogConfig {
84                name: None,
85                table_bucket_arn: "".to_string(),
86                endpoint_url: None,
87                client: None,
88                props: HashMap::new(),
89            },
90            storage_factory: None,
91            kms_client_factory: None,
92            runtime: None,
93        }
94    }
95}
96
97/// Builder methods for [`S3TablesCatalog`].
98impl S3TablesCatalogBuilder {
99    /// Configure the catalog with a custom endpoint URL (useful for local testing/mocking).
100    ///
101    /// # Behavior with Properties
102    ///
103    /// If both this method and the `endpoint_url` property are provided during catalog loading,
104    /// the property value will take precedence and overwrite the value set by this method.
105    /// This follows the general pattern where properties specified in the `load()` method
106    /// have higher priority than builder method configurations.
107    pub fn with_endpoint_url(mut self, endpoint_url: impl Into<String>) -> Self {
108        self.config.endpoint_url = Some(endpoint_url.into());
109        self
110    }
111
112    /// Configure the catalog with a pre-built AWS SDK client.
113    pub fn with_client(mut self, client: aws_sdk_s3tables::Client) -> Self {
114        self.config.client = Some(client);
115        self
116    }
117
118    /// Configure the catalog with a table bucket ARN.
119    ///
120    /// # Behavior with Properties
121    ///
122    /// If both this method and the `table_bucket_arn` property are provided during catalog loading,
123    /// the property value will take precedence and overwrite the value set by this method.
124    /// This follows the general pattern where properties specified in the `load()` method
125    /// have higher priority than builder method configurations.
126    pub fn with_table_bucket_arn(mut self, table_bucket_arn: impl Into<String>) -> Self {
127        self.config.table_bucket_arn = table_bucket_arn.into();
128        self
129    }
130}
131
132impl CatalogBuilder for S3TablesCatalogBuilder {
133    type C = S3TablesCatalog;
134
135    fn with_storage_factory(mut self, storage_factory: Arc<dyn StorageFactory>) -> Self {
136        self.storage_factory = Some(storage_factory);
137        self
138    }
139
140    fn with_kms_client_factory(mut self, kms_client_factory: Arc<dyn KmsClientFactory>) -> Self {
141        self.kms_client_factory = Some(kms_client_factory);
142        self
143    }
144
145    fn with_runtime(mut self, runtime: Runtime) -> Self {
146        self.runtime = Some(runtime);
147        self
148    }
149
150    fn load(
151        mut self,
152        name: impl Into<String>,
153        props: HashMap<String, String>,
154    ) -> impl Future<Output = Result<Self::C>> + Send {
155        let catalog_name = name.into();
156        self.config.name = Some(catalog_name.clone());
157
158        if props.contains_key(S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN) {
159            self.config.table_bucket_arn = props
160                .get(S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN)
161                .cloned()
162                .unwrap_or_default();
163        }
164
165        if props.contains_key(S3TABLES_CATALOG_PROP_ENDPOINT_URL) {
166            self.config.endpoint_url = props.get(S3TABLES_CATALOG_PROP_ENDPOINT_URL).cloned();
167        }
168
169        // Collect other remaining properties
170        self.config.props = props
171            .into_iter()
172            .filter(|(k, _)| {
173                k != S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN
174                    && k != S3TABLES_CATALOG_PROP_ENDPOINT_URL
175            })
176            .collect();
177
178        async move {
179            if catalog_name.trim().is_empty() {
180                Err(Error::new(
181                    ErrorKind::DataInvalid,
182                    "Catalog name cannot be empty",
183                ))
184            } else if self.config.table_bucket_arn.is_empty() {
185                Err(Error::new(
186                    ErrorKind::DataInvalid,
187                    "Table bucket ARN is required",
188                ))
189            } else {
190                let runtime = match self.runtime {
191                    Some(rt) => rt,
192                    None => Runtime::try_current()?,
193                };
194                let kms_client = match self.kms_client_factory {
195                    Some(factory) => Some(factory.create_kms_client(&self.config.props).await?),
196                    None => None,
197                };
198                S3TablesCatalog::new(self.config, self.storage_factory, runtime, kms_client).await
199            }
200        }
201    }
202}
203
204/// S3Tables catalog implementation.
205#[derive(Debug)]
206pub struct S3TablesCatalog {
207    config: S3TablesCatalogConfig,
208    s3tables_client: aws_sdk_s3tables::Client,
209    file_io: FileIO,
210    runtime: Runtime,
211    kms_client: Option<Arc<dyn KeyManagementClient>>,
212}
213
214impl S3TablesCatalog {
215    /// Creates a new S3Tables catalog.
216    async fn new(
217        config: S3TablesCatalogConfig,
218        storage_factory: Option<Arc<dyn StorageFactory>>,
219        runtime: Runtime,
220        kms_client: Option<Arc<dyn KeyManagementClient>>,
221    ) -> Result<Self> {
222        let s3tables_client = if let Some(client) = config.client.clone() {
223            client
224        } else {
225            let aws_config = create_sdk_config(&config.props, config.endpoint_url.clone()).await;
226            aws_sdk_s3tables::Client::new(&aws_config)
227        };
228
229        // Use provided factory or default to OpenDalStorageFactory::S3
230        let factory = storage_factory.unwrap_or_else(|| {
231            Arc::new(OpenDalStorageFactory::S3 {
232                customized_credential_load: None,
233            })
234        });
235        let file_io = FileIOBuilder::new(factory)
236            .with_props(&config.props)
237            .build();
238
239        Ok(Self {
240            config,
241            s3tables_client,
242            file_io,
243            runtime,
244            kms_client,
245        })
246    }
247
248    async fn load_table_with_version_token(
249        &self,
250        table_ident: &TableIdent,
251    ) -> Result<(Table, String)> {
252        let req = self
253            .s3tables_client
254            .get_table()
255            .table_bucket_arn(self.config.table_bucket_arn.clone())
256            .namespace(table_ident.namespace().to_url_string())
257            .name(table_ident.name());
258
259        let resp = req.send().await.map_err(|err| {
260            if err
261                .as_service_error()
262                .is_some_and(GetTableError::is_not_found_exception)
263            {
264                // S3 Tables GetTable API only reports that the resource was not found, and does not distinguish between namespaces and tables.
265                // https://docs.aws.amazon.com/AmazonS3/latest/API/API_s3Buckets_GetTable.html#API_s3Buckets_GetTable_Errors
266                Error::new(
267                    ErrorKind::TableNotFound,
268                    format!("Table {table_ident} is not found, either because the namespace or table did not exist"),
269                )
270                .with_source(err)
271            } else {
272                from_aws_sdk_error(err)
273            }
274        })?;
275
276        // when a table is created, it's possible that the metadata location is not set.
277        let metadata_location = resp.metadata_location().ok_or_else(|| {
278            Error::new(
279                ErrorKind::Unexpected,
280                format!(
281                    "Table {} does not have metadata location",
282                    table_ident.name()
283                ),
284            )
285        })?;
286        let metadata = TableMetadata::read_from(&self.file_io, metadata_location).await?;
287
288        let mut builder = Table::builder()
289            .identifier(table_ident.clone())
290            .metadata(metadata)
291            .metadata_location(metadata_location)
292            .file_io(self.file_io.clone())
293            .runtime(self.runtime.clone());
294        if let Some(kms_client) = self.kms_client.clone() {
295            builder = builder.kms_client(kms_client);
296        }
297        let table = builder.build()?;
298        Ok((table, resp.version_token))
299    }
300}
301
302#[async_trait]
303impl Catalog for S3TablesCatalog {
304    /// List namespaces from s3tables catalog.
305    ///
306    /// S3Tables doesn't support nested namespaces. If parent is provided, it will
307    /// return an empty list.
308    async fn list_namespaces(
309        &self,
310        parent: Option<&NamespaceIdent>,
311    ) -> Result<Vec<NamespaceIdent>> {
312        if parent.is_some() {
313            return Ok(vec![]);
314        }
315
316        let mut result = Vec::new();
317        let mut continuation_token = None;
318        loop {
319            let mut req = self
320                .s3tables_client
321                .list_namespaces()
322                .table_bucket_arn(self.config.table_bucket_arn.clone());
323            if let Some(token) = continuation_token {
324                req = req.continuation_token(token);
325            }
326            let resp = req.send().await.map_err(from_aws_sdk_error)?;
327            for ns in resp.namespaces() {
328                result.push(NamespaceIdent::from_vec(ns.namespace().to_vec())?);
329            }
330            continuation_token = resp.continuation_token().map(|s| s.to_string());
331            if continuation_token.is_none() {
332                break;
333            }
334        }
335        Ok(result)
336    }
337
338    /// Creates a new namespace with the given identifier and properties.
339    ///
340    /// Attempts to create a namespace defined by the `namespace`. The `properties`
341    /// parameter is ignored.
342    ///
343    /// The following naming rules apply to namespaces:
344    ///
345    /// - Names must be between 3 (min) and 63 (max) characters long.
346    /// - Names can consist only of lowercase letters, numbers, and underscores (_).
347    /// - Names must begin and end with a letter or number.
348    /// - Names must not contain hyphens (-) or periods (.).
349    ///
350    /// This function can return an error in the following situations:
351    ///
352    /// - Errors from the underlying database creation process, converted using
353    /// `from_aws_sdk_error`.
354    async fn create_namespace(
355        &self,
356        namespace: &NamespaceIdent,
357        _properties: HashMap<String, String>,
358    ) -> Result<Namespace> {
359        if self.namespace_exists(namespace).await? {
360            return Err(Error::new(
361                ErrorKind::NamespaceAlreadyExists,
362                format!("Namespace {namespace:?} already exists"),
363            ));
364        }
365
366        let req = self
367            .s3tables_client
368            .create_namespace()
369            .table_bucket_arn(self.config.table_bucket_arn.clone())
370            .namespace(namespace.to_url_string());
371        req.send().await.map_err(from_aws_sdk_error)?;
372        Ok(Namespace::with_properties(
373            namespace.clone(),
374            HashMap::new(),
375        ))
376    }
377
378    /// Retrieves a namespace by its identifier.
379    ///
380    /// Validates the given namespace identifier and then queries the
381    /// underlying database client to fetch the corresponding namespace data.
382    /// Constructs a `Namespace` object with the retrieved data and returns it.
383    ///
384    /// This function can return an error in any of the following situations:
385    /// - If there is an error querying the database, returned by
386    /// `from_aws_sdk_error`.
387    async fn get_namespace(&self, namespace: &NamespaceIdent) -> Result<Namespace> {
388        if !self.namespace_exists(namespace).await? {
389            return Err(Error::new(
390                ErrorKind::NamespaceNotFound,
391                format!("Namespace {namespace:?} does not exist"),
392            ));
393        }
394
395        let req = self
396            .s3tables_client
397            .get_namespace()
398            .table_bucket_arn(self.config.table_bucket_arn.clone())
399            .namespace(namespace.to_url_string());
400        let resp: GetNamespaceOutput = req.send().await.map_err(from_aws_sdk_error)?;
401        let properties = HashMap::new();
402        Ok(Namespace::with_properties(
403            NamespaceIdent::from_vec(resp.namespace().to_vec())?,
404            properties,
405        ))
406    }
407
408    /// Checks if a namespace exists within the s3tables catalog.
409    ///
410    /// Validates the namespace identifier by querying the s3tables catalog
411    /// to determine if the specified namespace exists.
412    ///
413    /// # Returns
414    /// A `Result<bool>` indicating the outcome of the check:
415    /// - `Ok(true)` if the namespace exists.
416    /// - `Ok(false)` if the namespace does not exist, identified by a specific
417    /// `IsNotFoundException` variant.
418    /// - `Err(...)` if an error occurs during validation or the s3tables catalog
419    /// query, with the error encapsulating the issue.
420    async fn namespace_exists(&self, namespace: &NamespaceIdent) -> Result<bool> {
421        let req = self
422            .s3tables_client
423            .get_namespace()
424            .table_bucket_arn(self.config.table_bucket_arn.clone())
425            .namespace(namespace.to_url_string());
426        match req.send().await {
427            Ok(_) => Ok(true),
428            Err(err) => {
429                if err.as_service_error().map(|e| e.is_not_found_exception()) == Some(true) {
430                    Ok(false)
431                } else {
432                    Err(from_aws_sdk_error(err))
433                }
434            }
435        }
436    }
437
438    /// Updates the properties of an existing namespace.
439    ///
440    /// S3Tables doesn't support updating namespace properties, so this function
441    /// will always return an error.
442    async fn update_namespace(
443        &self,
444        _namespace: &NamespaceIdent,
445        _properties: HashMap<String, String>,
446    ) -> Result<()> {
447        Err(Error::new(
448            ErrorKind::FeatureUnsupported,
449            "Update namespace is not supported for s3tables catalog",
450        ))
451    }
452
453    /// Drops an existing namespace from the s3tables catalog.
454    ///
455    /// Validates the namespace identifier and then deletes the corresponding
456    /// namespace from the s3tables catalog.
457    ///
458    /// This function can return an error in the following situations:
459    /// - Errors from the underlying database deletion process, converted using
460    /// `from_aws_sdk_error`.
461    async fn drop_namespace(&self, namespace: &NamespaceIdent) -> Result<()> {
462        if !self.namespace_exists(namespace).await? {
463            return Err(Error::new(
464                ErrorKind::NamespaceNotFound,
465                format!("Namespace {namespace:?} does not exist"),
466            ));
467        }
468
469        let req = self
470            .s3tables_client
471            .delete_namespace()
472            .table_bucket_arn(self.config.table_bucket_arn.clone())
473            .namespace(namespace.to_url_string());
474        req.send().await.map_err(from_aws_sdk_error)?;
475        Ok(())
476    }
477
478    /// Lists all tables within a given namespace.
479    ///
480    /// Retrieves all tables associated with the specified namespace and returns
481    /// their identifiers.
482    ///
483    /// This function can return an error in the following situations:
484    /// - Errors from the underlying database query process, converted using
485    /// `from_aws_sdk_error`.
486    async fn list_tables(&self, namespace: &NamespaceIdent) -> Result<Vec<TableIdent>> {
487        let mut result = Vec::new();
488        let mut continuation_token = None;
489        loop {
490            let mut req = self
491                .s3tables_client
492                .list_tables()
493                .table_bucket_arn(self.config.table_bucket_arn.clone())
494                .namespace(namespace.to_url_string());
495            if let Some(token) = continuation_token {
496                req = req.continuation_token(token);
497            }
498            let resp: ListTablesOutput = req.send().await.map_err(from_aws_sdk_error)?;
499            for table in resp.tables() {
500                result.push(TableIdent::new(
501                    NamespaceIdent::from_vec(table.namespace().to_vec())?,
502                    table.name().to_string(),
503                ));
504            }
505            continuation_token = resp.continuation_token().map(|s| s.to_string());
506            if continuation_token.is_none() {
507                break;
508            }
509        }
510        Ok(result)
511    }
512
513    /// Creates a new table within a specified namespace.
514    ///
515    /// Attempts to create a table defined by the `creation` parameter. The metadata
516    /// location is generated by the s3tables catalog, looks like:
517    ///
518    /// s3://{RANDOM WAREHOUSE LOCATION}/metadata/{VERSION}-{UUID}.metadata.json
519    ///
520    /// We have to get this random warehouse location after the table is created.
521    ///
522    /// This function can return an error in the following situations:
523    /// - If the location of the table is set by user, identified by a specific
524    /// `DataInvalid` variant.
525    /// - Errors from the underlying database creation process, converted using
526    /// `from_aws_sdk_error`.
527    async fn create_table(
528        &self,
529        namespace: &NamespaceIdent,
530        mut creation: TableCreation,
531    ) -> Result<Table> {
532        let table_ident = TableIdent::new(namespace.clone(), creation.name.clone());
533
534        // create table
535        let create_resp: CreateTableOutput = self
536            .s3tables_client
537            .create_table()
538            .table_bucket_arn(self.config.table_bucket_arn.clone())
539            .namespace(namespace.to_url_string())
540            .format(OpenTableFormat::Iceberg)
541            .name(table_ident.name())
542            .send()
543            .await
544            .map_err(from_aws_sdk_error)?;
545
546        // prepare table location. the warehouse location is generated by s3tables catalog,
547        // which looks like: s3://e6c9bf20-991a-46fb-kni5xs1q2yxi3xxdyxzjzigdeop1quse2b--table-s3
548        let table_location = match &creation.location {
549            Some(_) => {
550                return Err(Error::new(
551                    ErrorKind::DataInvalid,
552                    "The location of the table is generated by s3tables catalog, can't be set by user.",
553                ));
554            }
555            None => {
556                let get_resp: GetTableOutput = self
557                    .s3tables_client
558                    .get_table()
559                    .table_bucket_arn(self.config.table_bucket_arn.clone())
560                    .namespace(namespace.to_url_string())
561                    .name(table_ident.name())
562                    .send()
563                    .await
564                    .map_err(from_aws_sdk_error)?;
565                get_resp.warehouse_location().to_string()
566            }
567        };
568
569        // write metadata to file
570        creation.location = Some(table_location.clone());
571        let metadata = TableMetadataBuilder::from_table_creation(creation)?
572            .build()?
573            .metadata;
574        let metadata_location = MetadataLocation::new_with_metadata(table_location, &metadata);
575        metadata.write_to(&self.file_io, &metadata_location).await?;
576
577        // update metadata location
578        let metadata_location_str = metadata_location.to_string();
579        self.s3tables_client
580            .update_table_metadata_location()
581            .table_bucket_arn(self.config.table_bucket_arn.clone())
582            .namespace(namespace.to_url_string())
583            .name(table_ident.name())
584            .metadata_location(metadata_location_str.clone())
585            .version_token(create_resp.version_token())
586            .send()
587            .await
588            .map_err(from_aws_sdk_error)?;
589
590        let mut builder = Table::builder()
591            .identifier(table_ident)
592            .metadata_location(metadata_location_str)
593            .metadata(metadata)
594            .file_io(self.file_io.clone())
595            .runtime(self.runtime.clone());
596        if let Some(kms_client) = self.kms_client.clone() {
597            builder = builder.kms_client(kms_client);
598        }
599        let table = builder.build()?;
600        Ok(table)
601    }
602
603    /// Loads an existing table from the s3tables catalog.
604    ///
605    /// Retrieves the metadata location of the specified table and constructs a
606    /// `Table` object with the retrieved metadata.
607    ///
608    /// This function can return an error in the following situations:
609    /// - If the table does not have a metadata location, identified by a specific
610    /// `Unexpected` variant.
611    /// - Errors from the underlying database query process, converted using
612    /// `from_aws_sdk_error`.
613    async fn load_table(&self, table_ident: &TableIdent) -> Result<Table> {
614        Ok(self.load_table_with_version_token(table_ident).await?.0)
615    }
616
617    /// Not supported for S3Tables. Use `purge_table` instead.
618    ///
619    /// S3 Tables doesn't support soft delete, so dropping a table will permanently remove it from the catalog.
620    async fn drop_table(&self, _table: &TableIdent) -> Result<()> {
621        Err(Error::new(
622            ErrorKind::FeatureUnsupported,
623            "drop_table is not supported for S3Tables; use purge_table instead",
624        ))
625    }
626
627    /// Purge a table from the S3 Tables catalog.
628    async fn purge_table(&self, table: &TableIdent) -> Result<()> {
629        let req = self
630            .s3tables_client
631            .delete_table()
632            .table_bucket_arn(self.config.table_bucket_arn.clone())
633            .namespace(table.namespace().to_url_string())
634            .name(table.name());
635        req.send().await.map_err(from_aws_sdk_error)?;
636        Ok(())
637    }
638
639    /// Checks if a table exists within the s3tables catalog.
640    ///
641    /// Validates the table identifier by querying the s3tables catalog
642    /// to determine if the specified table exists.
643    ///
644    /// # Returns
645    /// A `Result<bool>` indicating the outcome of the check:
646    /// - `Ok(true)` if the table exists.
647    /// - `Ok(false)` if the table does not exist, identified by a specific
648    /// `IsNotFoundException` variant.
649    /// - `Err(...)` if an error occurs during validation or the s3tables catalog
650    /// query, with the error encapsulating the issue.
651    async fn table_exists(&self, table_ident: &TableIdent) -> Result<bool> {
652        let req = self
653            .s3tables_client
654            .get_table()
655            .table_bucket_arn(self.config.table_bucket_arn.clone())
656            .namespace(table_ident.namespace().to_url_string())
657            .name(table_ident.name());
658        match req.send().await {
659            Ok(_) => Ok(true),
660            Err(err) => {
661                if err.as_service_error().map(|e| e.is_not_found_exception()) == Some(true) {
662                    Ok(false)
663                } else {
664                    Err(from_aws_sdk_error(err))
665                }
666            }
667        }
668    }
669
670    /// Renames an existing table within the s3tables catalog.
671    ///
672    /// Validates the source and destination table identifiers and then renames
673    /// the source table to the destination table.
674    ///
675    /// This function can return an error in the following situations:
676    /// - Errors from the underlying database renaming process, converted using
677    /// `from_aws_sdk_error`.
678    async fn rename_table(&self, src: &TableIdent, dest: &TableIdent) -> Result<()> {
679        let req = self
680            .s3tables_client
681            .rename_table()
682            .table_bucket_arn(self.config.table_bucket_arn.clone())
683            .namespace(src.namespace().to_url_string())
684            .name(src.name())
685            .new_namespace_name(dest.namespace().to_url_string())
686            .new_name(dest.name());
687        req.send().await.map_err(from_aws_sdk_error)?;
688        Ok(())
689    }
690
691    async fn register_table(
692        &self,
693        _table_ident: &TableIdent,
694        _metadata_location: String,
695    ) -> Result<Table> {
696        Err(Error::new(
697            ErrorKind::FeatureUnsupported,
698            "Registering a table is not supported yet",
699        ))
700    }
701
702    /// Updates an existing table within the s3tables catalog.
703    async fn update_table(&self, commit: TableCommit) -> Result<Table> {
704        let table_ident = commit.identifier().clone();
705        let table_namespace = table_ident.namespace();
706        let (current_table, version_token) =
707            self.load_table_with_version_token(&table_ident).await?;
708
709        let staged_table = commit.apply(current_table)?;
710        let staged_metadata_location_str = staged_table.metadata_location_result()?;
711        let staged_metadata_location = MetadataLocation::from_str(staged_metadata_location_str)?;
712
713        staged_table
714            .metadata()
715            .write_to(staged_table.file_io(), &staged_metadata_location)
716            .await?;
717
718        let builder = self
719            .s3tables_client
720            .update_table_metadata_location()
721            .table_bucket_arn(&self.config.table_bucket_arn)
722            .namespace(table_namespace.to_url_string())
723            .name(table_ident.name())
724            .version_token(version_token)
725            .metadata_location(staged_metadata_location_str);
726
727        let _ = builder.send().await.map_err(|e| {
728            let error = e.into_service_error();
729            match error {
730                UpdateTableMetadataLocationError::ConflictException(_) => Error::new(
731                    ErrorKind::CatalogCommitConflicts,
732                    format!("Commit conflicted for table: {table_ident}"),
733                )
734                .with_retryable(true),
735                UpdateTableMetadataLocationError::NotFoundException(_) => Error::new(
736                    ErrorKind::TableNotFound,
737                    format!("Table {table_ident} is not found"),
738                ),
739                _ => Error::new(
740                    ErrorKind::Unexpected,
741                    "Operation failed for hitting aws sdk error",
742                ),
743            }
744            .with_source(anyhow::Error::msg(format!("aws sdk error: {error:?}")))
745        })?;
746
747        Ok(staged_table)
748    }
749}
750
751/// Format AWS SDK error into iceberg error
752pub(crate) fn from_aws_sdk_error<T>(error: aws_sdk_s3tables::error::SdkError<T>) -> Error
753where T: std::fmt::Debug {
754    Error::new(
755        ErrorKind::Unexpected,
756        format!("Operation failed for hitting aws sdk error: {error:?}"),
757    )
758}
759
760#[cfg(test)]
761mod tests {
762    use futures::TryStreamExt;
763    use iceberg::spec::{NestedField, PrimitiveType, Schema, Type};
764    use iceberg::transaction::{ApplyTransactionAction, Transaction};
765
766    use super::*;
767
768    async fn load_s3tables_catalog_from_env() -> Result<Option<S3TablesCatalog>> {
769        let table_bucket_arn = match std::env::var("TABLE_BUCKET_ARN").ok() {
770            Some(table_bucket_arn) => table_bucket_arn,
771            None => return Ok(None),
772        };
773
774        let config = S3TablesCatalogConfig {
775            name: None,
776            table_bucket_arn,
777            endpoint_url: None,
778            client: None,
779            props: HashMap::new(),
780        };
781
782        Ok(Some(
783            S3TablesCatalog::new(config, None, Runtime::current(), None).await?,
784        ))
785    }
786
787    #[tokio::test]
788    async fn test_s3tables_list_namespace() {
789        let catalog = match load_s3tables_catalog_from_env().await {
790            Ok(Some(catalog)) => catalog,
791            Ok(None) => return,
792            Err(e) => panic!("Error loading catalog: {e}"),
793        };
794
795        let namespaces = catalog.list_namespaces(None).await.unwrap();
796        assert!(!namespaces.is_empty());
797    }
798
799    #[tokio::test]
800    async fn test_s3tables_list_tables() {
801        let catalog = match load_s3tables_catalog_from_env().await {
802            Ok(Some(catalog)) => catalog,
803            Ok(None) => return,
804            Err(e) => panic!("Error loading catalog: {e}"),
805        };
806
807        let tables = catalog
808            .list_tables(&NamespaceIdent::new("aws_s3_metadata".to_string()))
809            .await
810            .unwrap();
811        assert!(!tables.is_empty());
812    }
813
814    #[tokio::test]
815    async fn test_s3tables_load_table() {
816        let catalog = match load_s3tables_catalog_from_env().await {
817            Ok(Some(catalog)) => catalog,
818            Ok(None) => return,
819            Err(e) => panic!("Error loading catalog: {e}"),
820        };
821
822        let _table = catalog
823            .load_table(&TableIdent::new(
824                NamespaceIdent::new("aws_s3_metadata".to_string()),
825                "query_storage_metadata".to_string(),
826            ))
827            .await
828            .expect("table that exists should be loaded");
829
830        let load_table_err = catalog
831            .load_table(&TableIdent::new(
832                NamespaceIdent::new("not_a_namespace".to_string()),
833                "not_a_table_name".to_string(),
834            ))
835            .await
836            .expect_err("loading a table that does not exist should fail");
837        assert_eq!(
838            load_table_err.kind(),
839            ErrorKind::TableNotFound,
840            "must return table not found error for non-existent table"
841        );
842    }
843
844    #[tokio::test]
845    async fn test_s3tables_create_delete_namespace() {
846        let catalog = match load_s3tables_catalog_from_env().await {
847            Ok(Some(catalog)) => catalog,
848            Ok(None) => return,
849            Err(e) => panic!("Error loading catalog: {e}"),
850        };
851
852        let namespace = NamespaceIdent::new("test_s3tables_create_delete_namespace".to_string());
853        catalog
854            .create_namespace(&namespace, HashMap::new())
855            .await
856            .unwrap();
857        assert!(catalog.namespace_exists(&namespace).await.unwrap());
858        catalog.drop_namespace(&namespace).await.unwrap();
859        assert!(!catalog.namespace_exists(&namespace).await.unwrap());
860    }
861
862    #[tokio::test]
863    async fn test_s3tables_create_delete_table() {
864        let catalog = match load_s3tables_catalog_from_env().await {
865            Ok(Some(catalog)) => catalog,
866            Ok(None) => return,
867            Err(e) => panic!("Error loading catalog: {e}"),
868        };
869
870        let creation = {
871            let schema = Schema::builder()
872                .with_schema_id(0)
873                .with_fields(vec![
874                    NestedField::required(1, "foo", Type::Primitive(PrimitiveType::Int)).into(),
875                    NestedField::required(2, "bar", Type::Primitive(PrimitiveType::String)).into(),
876                ])
877                .build()
878                .unwrap();
879            TableCreation::builder()
880                .name("test_s3tables_create_delete_table".to_string())
881                .properties(HashMap::new())
882                .schema(schema)
883                .build()
884        };
885
886        let namespace = NamespaceIdent::new("test_s3tables_create_delete_table".to_string());
887        let table_ident = TableIdent::new(
888            namespace.clone(),
889            "test_s3tables_create_delete_table".to_string(),
890        );
891        catalog.drop_namespace(&namespace).await.ok();
892        catalog.drop_table(&table_ident).await.ok();
893
894        catalog
895            .create_namespace(&namespace, HashMap::new())
896            .await
897            .unwrap();
898        catalog.create_table(&namespace, creation).await.unwrap();
899        assert!(catalog.table_exists(&table_ident).await.unwrap());
900        catalog.drop_table(&table_ident).await.unwrap();
901        assert!(!catalog.table_exists(&table_ident).await.unwrap());
902        catalog.drop_namespace(&namespace).await.unwrap();
903    }
904
905    #[tokio::test]
906    async fn test_s3tables_update_table() {
907        let catalog = match load_s3tables_catalog_from_env().await {
908            Ok(Some(catalog)) => catalog,
909            Ok(None) => return,
910            Err(e) => panic!("Error loading catalog: {e}"),
911        };
912
913        // Create a test namespace and table
914        let namespace = NamespaceIdent::new("test_s3tables_update_table".to_string());
915        let table_ident =
916            TableIdent::new(namespace.clone(), "test_s3tables_update_table".to_string());
917
918        // Clean up any existing resources from previous test runs
919        catalog.drop_table(&table_ident).await.ok();
920        catalog.drop_namespace(&namespace).await.ok();
921
922        // Create namespace and table
923        catalog
924            .create_namespace(&namespace, HashMap::new())
925            .await
926            .unwrap();
927
928        let creation = {
929            let schema = Schema::builder()
930                .with_schema_id(0)
931                .with_fields(vec![
932                    NestedField::required(1, "foo", Type::Primitive(PrimitiveType::Int)).into(),
933                    NestedField::required(2, "bar", Type::Primitive(PrimitiveType::String)).into(),
934                ])
935                .build()
936                .unwrap();
937            TableCreation::builder()
938                .name(table_ident.name().to_string())
939                .properties(HashMap::new())
940                .schema(schema)
941                .build()
942        };
943
944        let table = catalog.create_table(&namespace, creation).await.unwrap();
945
946        // Create a transaction to update the table
947        let tx = Transaction::new(&table);
948
949        // Store the original metadata location for comparison
950        let original_metadata_location = table.metadata_location();
951
952        // Update table properties using the transaction
953        let tx = tx
954            .update_table_properties()
955            .set("test_property".to_string(), "test_value".to_string())
956            .apply(tx)
957            .unwrap();
958
959        // Commit the transaction to the catalog
960        let updated_table = tx.commit(&catalog).await.unwrap();
961
962        // Verify the update was successful
963        assert_eq!(
964            updated_table.metadata().properties().get("test_property"),
965            Some(&"test_value".to_string())
966        );
967
968        // Verify the metadata location has been updated
969        assert_ne!(
970            updated_table.metadata_location(),
971            original_metadata_location,
972            "Metadata location should be updated after commit"
973        );
974
975        // Load the table again from the catalog to verify changes were persisted
976        let reloaded_table = catalog.load_table(&table_ident).await.unwrap();
977
978        // Verify the reloaded table matches the updated table
979        assert_eq!(
980            reloaded_table.metadata().properties().get("test_property"),
981            Some(&"test_value".to_string())
982        );
983        assert_eq!(
984            reloaded_table.metadata_location(),
985            updated_table.metadata_location(),
986            "Reloaded table should have the same metadata location as the updated table"
987        );
988    }
989
990    #[tokio::test]
991    async fn test_builder_load_missing_bucket_arn() {
992        let builder = S3TablesCatalogBuilder::default();
993        let result = builder.load("s3tables", HashMap::new()).await;
994
995        assert!(result.is_err());
996        if let Err(err) = result {
997            assert_eq!(err.kind(), ErrorKind::DataInvalid);
998            assert_eq!(err.message(), "Table bucket ARN is required");
999        }
1000    }
1001
1002    #[tokio::test]
1003    async fn test_builder_with_endpoint_url_ok() {
1004        let builder = S3TablesCatalogBuilder::default().with_endpoint_url("http://localhost:4566");
1005
1006        let result = builder
1007            .load(
1008                "s3tables",
1009                HashMap::from([
1010                    (
1011                        S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN.to_string(),
1012                        "arn:aws:s3tables:us-east-1:123456789012:bucket/test".to_string(),
1013                    ),
1014                    ("some_prop".to_string(), "some_value".to_string()),
1015                ]),
1016            )
1017            .await;
1018
1019        assert!(result.is_ok());
1020    }
1021
1022    #[tokio::test]
1023    async fn test_builder_with_client_ok() {
1024        use aws_config::BehaviorVersion;
1025
1026        let sdk_config = aws_config::defaults(BehaviorVersion::latest()).load().await;
1027        let client = aws_sdk_s3tables::Client::new(&sdk_config);
1028
1029        let builder = S3TablesCatalogBuilder::default().with_client(client);
1030        let result = builder
1031            .load(
1032                "s3tables",
1033                HashMap::from([(
1034                    S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN.to_string(),
1035                    "arn:aws:s3tables:us-east-1:123456789012:bucket/test".to_string(),
1036                )]),
1037            )
1038            .await;
1039
1040        assert!(result.is_ok());
1041    }
1042
1043    #[tokio::test]
1044    async fn test_builder_with_table_bucket_arn() {
1045        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1046        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(test_arn);
1047
1048        let result = builder.load("s3tables", HashMap::new()).await;
1049
1050        assert!(result.is_ok());
1051        let catalog = result.unwrap();
1052        assert_eq!(catalog.config.table_bucket_arn, test_arn);
1053    }
1054
1055    #[tokio::test]
1056    async fn test_builder_empty_table_bucket_arn_edge_cases() {
1057        let mut props = HashMap::new();
1058        props.insert(
1059            S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN.to_string(),
1060            "".to_string(),
1061        );
1062
1063        let builder = S3TablesCatalogBuilder::default();
1064        let result = builder.load("s3tables", props).await;
1065
1066        assert!(result.is_err());
1067        if let Err(err) = result {
1068            assert_eq!(err.kind(), ErrorKind::DataInvalid);
1069            assert_eq!(err.message(), "Table bucket ARN is required");
1070        }
1071    }
1072
1073    #[tokio::test]
1074    async fn test_endpoint_url_property_overrides_builder_method() {
1075        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1076        let builder_endpoint = "http://localhost:4566";
1077        let property_endpoint = "http://localhost:8080";
1078
1079        let builder = S3TablesCatalogBuilder::default()
1080            .with_table_bucket_arn(test_arn)
1081            .with_endpoint_url(builder_endpoint);
1082
1083        let mut props = HashMap::new();
1084        props.insert(
1085            S3TABLES_CATALOG_PROP_ENDPOINT_URL.to_string(),
1086            property_endpoint.to_string(),
1087        );
1088
1089        let result = builder.load("s3tables", props).await;
1090
1091        assert!(result.is_ok());
1092        let catalog = result.unwrap();
1093
1094        // Property value should override builder method value
1095        assert_eq!(
1096            catalog.config.endpoint_url,
1097            Some(property_endpoint.to_string())
1098        );
1099        assert_ne!(
1100            catalog.config.endpoint_url,
1101            Some(builder_endpoint.to_string())
1102        );
1103    }
1104
1105    #[tokio::test]
1106    async fn test_endpoint_url_builder_method_only() {
1107        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1108        let builder_endpoint = "http://localhost:4566";
1109
1110        let builder = S3TablesCatalogBuilder::default()
1111            .with_table_bucket_arn(test_arn)
1112            .with_endpoint_url(builder_endpoint);
1113
1114        let result = builder.load("s3tables", HashMap::new()).await;
1115
1116        assert!(result.is_ok());
1117        let catalog = result.unwrap();
1118
1119        assert_eq!(
1120            catalog.config.endpoint_url,
1121            Some(builder_endpoint.to_string())
1122        );
1123    }
1124
1125    #[tokio::test]
1126    async fn test_endpoint_url_property_only() {
1127        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1128        let property_endpoint = "http://localhost:8080";
1129
1130        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(test_arn);
1131
1132        let mut props = HashMap::new();
1133        props.insert(
1134            S3TABLES_CATALOG_PROP_ENDPOINT_URL.to_string(),
1135            property_endpoint.to_string(),
1136        );
1137
1138        let result = builder.load("s3tables", props).await;
1139
1140        assert!(result.is_ok());
1141        let catalog = result.unwrap();
1142
1143        assert_eq!(
1144            catalog.config.endpoint_url,
1145            Some(property_endpoint.to_string())
1146        );
1147    }
1148
1149    #[tokio::test]
1150    async fn test_table_bucket_arn_property_overrides_builder_method() {
1151        let builder_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/builder-bucket";
1152        let property_arn = "arn:aws:s3tables:us-east-1:987654321098:bucket/property-bucket";
1153
1154        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(builder_arn);
1155
1156        let mut props = HashMap::new();
1157        props.insert(
1158            S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN.to_string(),
1159            property_arn.to_string(),
1160        );
1161
1162        let result = builder.load("s3tables", props).await;
1163
1164        assert!(result.is_ok());
1165        let catalog = result.unwrap();
1166
1167        assert_eq!(catalog.config.table_bucket_arn, property_arn);
1168        assert_ne!(catalog.config.table_bucket_arn, builder_arn);
1169    }
1170
1171    #[tokio::test]
1172    async fn test_table_bucket_arn_builder_method_only() {
1173        let builder_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/builder-bucket";
1174
1175        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(builder_arn);
1176
1177        let result = builder.load("s3tables", HashMap::new()).await;
1178
1179        assert!(result.is_ok());
1180        let catalog = result.unwrap();
1181
1182        assert_eq!(catalog.config.table_bucket_arn, builder_arn);
1183    }
1184
1185    #[tokio::test]
1186    async fn test_table_bucket_arn_property_only() {
1187        let property_arn = "arn:aws:s3tables:us-east-1:987654321098:bucket/property-bucket";
1188
1189        let builder = S3TablesCatalogBuilder::default();
1190
1191        let mut props = HashMap::new();
1192        props.insert(
1193            S3TABLES_CATALOG_PROP_TABLE_BUCKET_ARN.to_string(),
1194            property_arn.to_string(),
1195        );
1196
1197        let result = builder.load("s3tables", props).await;
1198
1199        assert!(result.is_ok());
1200        let catalog = result.unwrap();
1201
1202        assert_eq!(catalog.config.table_bucket_arn, property_arn);
1203    }
1204
1205    #[tokio::test]
1206    async fn test_builder_empty_name_validation() {
1207        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1208        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(test_arn);
1209
1210        let result = builder.load("", HashMap::new()).await;
1211
1212        assert!(result.is_err());
1213        if let Err(err) = result {
1214            assert_eq!(err.kind(), ErrorKind::DataInvalid);
1215            assert_eq!(err.message(), "Catalog name cannot be empty");
1216        }
1217    }
1218
1219    #[tokio::test]
1220    async fn test_builder_whitespace_only_name_validation() {
1221        let test_arn = "arn:aws:s3tables:us-west-2:123456789012:bucket/test-bucket";
1222        let builder = S3TablesCatalogBuilder::default().with_table_bucket_arn(test_arn);
1223
1224        let result = builder.load("   \t\n  ", HashMap::new()).await;
1225
1226        assert!(result.is_err());
1227        if let Err(err) = result {
1228            assert_eq!(err.kind(), ErrorKind::DataInvalid);
1229            assert_eq!(err.message(), "Catalog name cannot be empty");
1230        }
1231    }
1232
1233    #[tokio::test]
1234    async fn test_builder_name_validation_with_missing_arn() {
1235        let builder = S3TablesCatalogBuilder::default();
1236
1237        let result = builder.load("", HashMap::new()).await;
1238
1239        assert!(result.is_err());
1240        if let Err(err) = result {
1241            assert_eq!(err.kind(), ErrorKind::DataInvalid);
1242            assert_eq!(err.message(), "Catalog name cannot be empty");
1243        }
1244    }
1245
1246    /// Verify that an S3 Table catalog can create a table, write data, load the same table, and read from it.
1247    #[tokio::test]
1248    async fn test_s3tables_create_table_write_load_table_read() {
1249        use iceberg::writer::base_writer::data_file_writer::DataFileWriterBuilder;
1250        use iceberg::writer::file_writer::ParquetWriterBuilder;
1251        use iceberg::writer::file_writer::location_generator::{
1252            DefaultFileNameGenerator, DefaultLocationGenerator,
1253        };
1254        use iceberg::writer::file_writer::rolling_writer::RollingFileWriterBuilder;
1255        use iceberg::writer::{IcebergWriter, IcebergWriterBuilder};
1256
1257        let catalog = match load_s3tables_catalog_from_env().await {
1258            Ok(Some(c)) => c,
1259            Ok(None) => return,
1260            Err(e) => panic!("Error loading catalog: {e}"),
1261        };
1262
1263        let ns = NamespaceIdent::new(format!("test_rw_{}", uuid::Uuid::new_v4().simple()));
1264        catalog.create_namespace(&ns, HashMap::new()).await.unwrap();
1265
1266        let table_name = String::from("table");
1267
1268        let schema = Schema::builder()
1269            .with_fields(vec![
1270                NestedField::required(1, "id", Type::Primitive(PrimitiveType::Int)).into(),
1271            ])
1272            .build()
1273            .unwrap();
1274        let creation = TableCreation::builder()
1275            .name(table_name.clone())
1276            .schema(schema)
1277            .build();
1278
1279        let table = catalog.create_table(&ns, creation).await.unwrap();
1280
1281        // Write one row.
1282        let arrow_schema: Arc<arrow_schema::Schema> = Arc::new(
1283            table
1284                .metadata()
1285                .current_schema()
1286                .as_ref()
1287                .try_into()
1288                .unwrap(),
1289        );
1290        let batch = arrow_array::RecordBatch::try_new(arrow_schema, vec![Arc::new(
1291            arrow_array::Int32Array::from(vec![42]),
1292        )])
1293        .unwrap();
1294
1295        // Locations will be generated based on the table metadata, which will be using `s3://` for Amazon S3 Tables.
1296        let location_generator = DefaultLocationGenerator::new(table.metadata()).unwrap();
1297        let file_name_generator = DefaultFileNameGenerator::new(
1298            "test".to_string(),
1299            None,
1300            iceberg::spec::DataFileFormat::Parquet,
1301        );
1302        let parquet_writer_builder = ParquetWriterBuilder::new(
1303            parquet::file::properties::WriterProperties::default(),
1304            table.metadata().current_schema().clone(),
1305        );
1306        let rw = RollingFileWriterBuilder::new_with_default_file_size(
1307            parquet_writer_builder,
1308            table.file_io().clone(),
1309            location_generator,
1310            file_name_generator,
1311        );
1312        let mut writer = DataFileWriterBuilder::new(rw).build(None).await.unwrap();
1313        writer.write(batch.clone()).await.unwrap();
1314        let data_files = writer.close().await.unwrap();
1315
1316        let tx = Transaction::new(&table);
1317        let tx = tx
1318            .fast_append()
1319            .add_data_files(data_files)
1320            .apply(tx)
1321            .unwrap();
1322        tx.commit(&catalog).await.unwrap();
1323
1324        // Reload from catalog and read back.
1325        let table_ident = TableIdent::new(ns.clone(), table_name.clone());
1326        let reloaded = catalog.load_table(&table_ident).await.unwrap();
1327        let batches: Vec<arrow_array::RecordBatch> = reloaded
1328            .scan()
1329            .select_all()
1330            .build()
1331            .expect("scan to be valid (snapshot exists, schema is OK)")
1332            .to_arrow()
1333            .await
1334            .expect("scan tasks should be OK")
1335            .try_collect()
1336            .await
1337            .expect("scan should complete successfully");
1338
1339        assert_eq!(batches.len(), 1);
1340        assert_eq!(
1341            batches[0], batch,
1342            "read records should match records written earlier"
1343        );
1344
1345        // Clean up.
1346        catalog.purge_table(&table_ident).await.ok();
1347        catalog.drop_namespace(&ns).await.ok();
1348    }
1349}
iceberg_catalog_s3tables/catalog.rs

iceberg_catalog_s3tables/
catalog.rs
