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