callum-ryan commented on code in PR #534:
URL: https://github.com/apache/iceberg-rust/pull/534#discussion_r1715743769
##########
crates/catalog/sql/src/catalog.rs:
##########
@@ -167,43 +177,344 @@ impl SqlCatalog {
.await
.map_err(from_sqlx_error)
}
+
+ /// Execute statements in a transaction, provided or not
+ pub async fn execute(
+ &self,
+ query: &str,
+ args: Vec<Option<&str>>,
+ transaction: Option<&mut Transaction<'_, Any>>,
+ ) -> Result<AnyQueryResult> {
+ let query_with_placeholders = self.replace_placeholders(query);
+
+ let mut sqlx_query = sqlx::query(&query_with_placeholders);
+ for arg in args {
+ sqlx_query = sqlx_query.bind(arg);
+ }
+
+ match transaction {
+ Some(t) => sqlx_query.execute(&mut
**t).await.map_err(from_sqlx_error),
+ None => {
+ let mut tx =
self.connection.begin().await.map_err(from_sqlx_error)?;
+ let result = sqlx_query.execute(&mut
*tx).await.map_err(from_sqlx_error);
+ let _ = tx.commit().await.map_err(from_sqlx_error);
+ result
+ }
+ }
+ }
}
#[async_trait]
impl Catalog for SqlCatalog {
async fn list_namespaces(
&self,
- _parent: Option<&NamespaceIdent>,
+ parent: Option<&NamespaceIdent>,
) -> Result<Vec<NamespaceIdent>> {
- todo!()
+ let table_namespaces_stmt = format!(
+ "SELECT {CATALOG_FIELD_TABLE_NAMESPACE}
+ FROM {CATALOG_TABLE_NAME}
+ WHERE {CATALOG_FIELD_CATALOG_NAME} = ?"
+ );
+ let namespaces_stmt = format!(
+ "SELECT {NAMESPACE_FIELD_NAME}
+ FROM {NAMESPACE_TABLE_NAME}
+ WHERE {CATALOG_FIELD_CATALOG_NAME} = ?"
+ );
+
+ match parent {
+ Some(parent) => match self.namespace_exists(parent).await? {
Review Comment:
thanks, not entirely sure why I did this considering you had a similar
comment on the big old PR!
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