jnturton commented on a change in pull request #2388:
URL: https://github.com/apache/drill/pull/2388#discussion_r781220453
##########
File path:
exec/java-exec/src/main/java/org/apache/calcite/jdbc/DynamicRootSchema.java
##########
@@ -154,10 +157,25 @@ private void loadSchemaFactory(String schemaName, boolean
caseSensitive) {
}
}
- static class RootSchema extends AbstractSchema {
+ public static class RootSchema extends AbstractSchema {
- public RootSchema() {
+ private StoragePluginRegistry storages;
+
+ private DynamicRootSchema dynRootSchema;
+
+ public RootSchema(StoragePluginRegistry storages) {
super(Collections.emptyList(), ROOT_SCHEMA_NAME);
+ this.storages = storages;
+ }
+
+ @Override
+ public Set<String> getSubSchemaNames() {
+ return storages.availablePlugins();
+ }
+
+ @Override
+ public Schema getSubSchema(String name) {
Review comment:
@vvysotskyi I aimed here to work according to the existing design as I
saw it. DynamicRootSchema is a subtype of CalciteSchema which is a wrapper
around a Schema stored in a member variable. In the case of CalciteSchema it
is the wrapped Schema that implements getSubSchema and getSubSchemaNames, not
the CalciteSchema wrapper. So I reasoned that for the case of
DynamicRootSchema, the wrapped RootSchema should implement, indeed override,
the mentioned methods.
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