xuefuz commented on a change in pull request #10296: [FLINK-14691][table]Add
use/create/drop/alter database operation and support it in flink/blink planner
URL: https://github.com/apache/flink/pull/10296#discussion_r349856816
##########
File path:
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/catalog/CatalogManager.java
##########
@@ -455,6 +457,94 @@ public void createTable(CatalogBaseTable table,
ObjectIdentifier objectIdentifie
"CreateTable");
}
+ /**
+ * Creates a database in a given fully qualified path.
+ * @param catalogName
+ * @param databaseName
+ * @param database
+ * @param ignoreIfExists If false exception will be thrown if a
database exists in the given path.
+ */
+ public void createDatabase(String catalogName,
+ String databaseName,
+ CatalogDatabase database,
+ boolean ignoreIfExists,
+ boolean ignoreNoCatalog) {
+ Optional<Catalog> catalog = getCatalog(catalogName);
+ if (catalog.isPresent()) {
+ try {
+ catalog.get().createDatabase(databaseName,
database, ignoreIfExists);
+ } catch (DatabaseAlreadyExistException e) {
+ throw new ValidationException(
+ String.format("Could not
execute %s in path %s", "CREATE DATABASE", catalogName), e);
+ } catch (Exception e) {
+ throw new TableException(
+ String.format("Could not
execute %s in path %s", "CREATE DATABASE", catalogName), e);
+ }
+ } else if (!ignoreNoCatalog) {
+ throw new ValidationException(String.format("Catalog %s
does not exist.", catalogName));
+ }
+ }
+
+ /**
+ * Drop a database in a given path.
+ * @param catalogName
+ * @param databaseName
+ * @param ignoreIfNotExists If false exception will be thrown if a
database not exists in the given path.
+ * @param isRestrict
+ */
+ public void dropDatabase(String catalogName,
+ String databaseName,
+ boolean ignoreIfNotExists,
+ boolean isRestrict,
+ boolean ignoreNoCatalog) {
Review comment:
Same as above.
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