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495c6e03aa
* Replace all Context references with std::weak_ptr * Fix shared context captured by value * Fix build * Fix Context with named sessions * Fix copy context * Fix gcc build * Merge with master and fix build * Fix gcc-9 build
81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
#include <Interpreters/Context.h>
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#include <Interpreters/InterpreterCheckQuery.h>
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#include <Access/AccessFlags.h>
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#include <Storages/IStorage.h>
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#include <Parsers/ASTCheckQuery.h>
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#include <DataStreams/OneBlockInputStream.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <DataTypes/DataTypeString.h>
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#include <Columns/ColumnsNumber.h>
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#include <Common/typeid_cast.h>
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#include <algorithm>
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namespace DB
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{
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namespace
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{
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NamesAndTypes getBlockStructure()
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{
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return {
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{"part_path", std::make_shared<DataTypeString>()},
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{"is_passed", std::make_shared<DataTypeUInt8>()},
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{"message", std::make_shared<DataTypeString>()},
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};
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}
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}
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InterpreterCheckQuery::InterpreterCheckQuery(const ASTPtr & query_ptr_, ContextPtr context_) : WithContext(context_), query_ptr(query_ptr_)
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{
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}
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BlockIO InterpreterCheckQuery::execute()
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{
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const auto & check = query_ptr->as<ASTCheckQuery &>();
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auto table_id = getContext()->resolveStorageID(check, Context::ResolveOrdinary);
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getContext()->checkAccess(AccessType::SHOW_TABLES, table_id);
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StoragePtr table = DatabaseCatalog::instance().getTable(table_id, getContext());
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auto check_results = table->checkData(query_ptr, getContext());
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Block block;
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if (getContext()->getSettingsRef().check_query_single_value_result)
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{
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bool result = std::all_of(check_results.begin(), check_results.end(), [] (const CheckResult & res) { return res.success; });
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auto column = ColumnUInt8::create();
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column->insertValue(UInt64(result));
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block = Block{{std::move(column), std::make_shared<DataTypeUInt8>(), "result"}};
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}
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else
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{
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auto block_structure = getBlockStructure();
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auto path_column = block_structure[0].type->createColumn();
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auto is_passed_column = block_structure[1].type->createColumn();
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auto message_column = block_structure[2].type->createColumn();
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for (const auto & check_result : check_results)
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{
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path_column->insert(check_result.fs_path);
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is_passed_column->insert(static_cast<UInt8>(check_result.success));
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message_column->insert(check_result.failure_message);
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}
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block = Block({
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{std::move(path_column), block_structure[0].type, block_structure[0].name},
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{std::move(is_passed_column), block_structure[1].type, block_structure[1].name},
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{std::move(message_column), block_structure[2].type, block_structure[2].name}});
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}
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BlockIO res;
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res.in = std::make_shared<OneBlockInputStream>(block);
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return res;
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}
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}
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