mchades commented on code in PR #5067:
URL: https://github.com/apache/gravitino/pull/5067#discussion_r1804163365
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core/src/main/java/org/apache/gravitino/catalog/CatalogManager.java:
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@@ -562,38 +627,44 @@ public Catalog alterCatalog(NameIdentifier ident,
CatalogChange... changes)
}
}
- /**
- * Drops (deletes) the catalog with the specified identifier.
- *
- * @param ident The identifier of the catalog to drop.
- * @return {@code true} if the catalog was successfully dropped, {@code
false} otherwise.
- */
@Override
- public boolean dropCatalog(NameIdentifier ident) {
- // There could be a race issue that someone is using the catalog while we
are dropping it.
- catalogCache.invalidate(ident);
-
+ public boolean dropCatalog(NameIdentifier ident, boolean force)
+ throws NonEmptyEntityException, EntityInUseException {
try {
+ boolean catalogInUse = catalogInUse(store, ident);
+ if (catalogInUse && !force) {
+ throw new EntityInUseException(
+ "Catalog %s is in use, please deactivate it first or use force
option", ident);
+ }
+
+ List<SchemaEntity> schemas =
+ store.list(
+ Namespace.of(ident.namespace().level(0), ident.name()),
+ SchemaEntity.class,
+ EntityType.SCHEMA);
CatalogEntity catalogEntity = store.get(ident, EntityType.CATALOG,
CatalogEntity.class);
- if (catalogEntity.getProvider().equals("kafka")) {
- // Kafka catalog needs to cascade drop the default schema
- List<SchemaEntity> schemas =
- store.list(
- Namespace.of(ident.namespace().level(0), ident.name()),
- SchemaEntity.class,
- EntityType.SCHEMA);
- // If there is only one schema, it must be the default schema, because
we don't allow to
- // drop the default schema.
- if (schemas.size() == 1) {
- return store.delete(ident, EntityType.CATALOG, true);
- }
+
+ if (!schemas.isEmpty()
+ && !force
+ && (!catalogEntity.getProvider().equals("kafka") || schemas.size() >
1)) {
Review Comment:
no. `schemas.size()` may equals 1
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