ClickHouse/dbms/src/Storages/System/StorageSystemDatabases.cpp
2018-08-14 11:28:32 +08:00

36 lines
1.0 KiB
C++

#include <Databases/IDatabase.h>
#include <DataTypes/DataTypeString.h>
#include <Interpreters/Context.h>
#include <Storages/System/StorageSystemDatabases.h>
namespace DB
{
NamesAndTypesList StorageSystemDatabases::getNamesAndTypes()
{
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
{
auto databases = context.getDatabases();
for (const auto & database : databases)
{
if (context.hasDatabaseAccessRights(database.first))
{
res_columns[0]->insert(database.first);
res_columns[1]->insert(database.second->getEngineName());
res_columns[2]->insert(database.second->getDataPath());
res_columns[3]->insert(database.second->getMetadataPath());
}
}
}
}