1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <Storages/StorageFactory.h>
#include <Storages/System/StorageSystemTableEngines.h>
namespace DB
{
NamesAndTypesList StorageSystemTableEngines::getNamesAndTypes()
{
return {
{"name", std::make_shared<DataTypeString>()},
{"supports_settings", std::make_shared<DataTypeUInt8>()},
{"supports_skipping_indices", std::make_shared<DataTypeUInt8>()},
{"supports_projections", std::make_shared<DataTypeUInt8>()},
{"supports_sort_order", std::make_shared<DataTypeUInt8>()},
{"supports_ttl", std::make_shared<DataTypeUInt8>()},
{"supports_replication", std::make_shared<DataTypeUInt8>()},
{"supports_deduplication", std::make_shared<DataTypeUInt8>()},
{"supports_parallel_insert", std::make_shared<DataTypeUInt8>()},
};
}
void StorageSystemTableEngines::fillData(MutableColumns & res_columns, ContextPtr, const SelectQueryInfo &) const
{
for (const auto & pair : StorageFactory::instance().getAllStorages())
{
int i = 0;
res_columns[i++]->insert(pair.first);
res_columns[i++]->insert(pair.second.features.supports_settings);
res_columns[i++]->insert(pair.second.features.supports_skipping_indices);
res_columns[i++]->insert(pair.second.features.supports_projections);
res_columns[i++]->insert(pair.second.features.supports_sort_order);
res_columns[i++]->insert(pair.second.features.supports_ttl);
res_columns[i++]->insert(pair.second.features.supports_replication);
res_columns[i++]->insert(pair.second.features.supports_deduplication);
res_columns[i++]->insert(pair.second.features.supports_parallel_insert);
}
}
}
|
