ClickHouse/dbms/Storages/System/StorageSystemDatabases.cpp
2020-04-03 03:19:11 +03:00

41 lines
1.3 KiB
C++

#include <Databases/IDatabase.h>
#include <DataTypes/DataTypeString.h>
#include <Interpreters/Context.h>
#include <Access/ContextAccess.h>
#include <Storages/System/StorageSystemDatabases.h>
namespace DB
{
NamesAndTypesList StorageSystemDatabases::getNamesAndTypes()
{
//FIXME data_path
return {
{"name", std::make_shared<DataTypeString>()},
{"engine", std::make_shared<DataTypeString>()},
{"data_path", std::make_shared<DataTypeString>()},
{"metadata_path", std::make_shared<DataTypeString>()},
};
}
void StorageSystemDatabases::fillData(MutableColumns & res_columns, const Context & context, const SelectQueryInfo &) const
{
const auto access = context.getAccess();
const bool check_access_for_databases = !access->isGranted(AccessType::SHOW_DATABASES);
auto databases = DatabaseCatalog::instance().getDatabases();
for (const auto & database : databases)
{
if (check_access_for_databases && !access->isGranted(AccessType::SHOW_DATABASES, database.first))
continue;
res_columns[0]->insert(database.first);
res_columns[1]->insert(database.second->getEngineName());
res_columns[2]->insert(context.getPath() + database.second->getDataPath());
res_columns[3]->insert(database.second->getMetadataPath());
}
}
}