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70d1adfe4b
* save format string for NetException * format exceptions * format exceptions 2 * format exceptions 3 * format exceptions 4 * format exceptions 5 * format exceptions 6 * fix * format exceptions 7 * format exceptions 8 * Update MergeTreeIndexGin.cpp * Update AggregateFunctionMap.cpp * Update AggregateFunctionMap.cpp * fix
681 lines
31 KiB
C++
681 lines
31 KiB
C++
#include <numeric>
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#include <Columns/ColumnsNumber.h>
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#include <Columns/ColumnsDateTime.h>
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#include <Columns/ColumnTuple.h>
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#include <DataTypes/DataTypeDate.h>
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#include <DataTypes/DataTypeDateTime.h>
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#include <DataTypes/DataTypesNumber.h>
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#include <DataTypes/DataTypeTuple.h>
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#include <Functions/extractTimeZoneFromFunctionArguments.h>
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#include <Functions/FunctionFactory.h>
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#include <Functions/FunctionHelpers.h>
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#include <Functions/FunctionsTimeWindow.h>
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namespace DB
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{
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namespace ErrorCodes
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{
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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extern const int ILLEGAL_COLUMN;
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extern const int ILLEGAL_TYPE_OF_ARGUMENT;
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extern const int ARGUMENT_OUT_OF_BOUND;
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extern const int SYNTAX_ERROR;
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}
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namespace
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{
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std::tuple<IntervalKind::Kind, Int64>
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dispatchForIntervalColumns(const ColumnWithTypeAndName & interval_column, const String & function_name)
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{
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const auto * interval_type = checkAndGetDataType<DataTypeInterval>(interval_column.type.get());
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if (!interval_type)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal column {} of argument of function {}",
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interval_column.name, function_name);
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const auto * interval_column_const_int64 = checkAndGetColumnConst<ColumnInt64>(interval_column.column.get());
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if (!interval_column_const_int64)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal column {} of argument of function {}",
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interval_column.name, function_name);
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Int64 num_units = interval_column_const_int64->getValue<Int64>();
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if (num_units <= 0)
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throw Exception(ErrorCodes::ARGUMENT_OUT_OF_BOUND, "Value for column {} of function {} must be positive",
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interval_column.name, function_name);
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return {interval_type->getKind(), num_units};
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}
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ColumnPtr executeWindowBound(const ColumnPtr & column, int index, const String & function_name)
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{
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if (const ColumnTuple * col_tuple = checkAndGetColumn<ColumnTuple>(column.get()); col_tuple)
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{
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if (!checkColumn<ColumnVector<UInt32>>(*col_tuple->getColumnPtr(index)))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal column for first argument of function {}. "
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"Must be a Tuple(DataTime, DataTime)", function_name);
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return col_tuple->getColumnPtr(index);
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}
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else
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{
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal column for first argument of function {}. "
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"Must be Tuple", function_name);
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}
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}
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void checkFirstArgument(const ColumnWithTypeAndName & argument, const String & function_name)
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{
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if (!isDateTime(argument.type))
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument of function {}. "
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"Should be a date with time", argument.type->getName(), function_name);
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}
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void checkIntervalArgument(const ColumnWithTypeAndName & argument, const String & function_name, IntervalKind & interval_kind, bool & result_type_is_date)
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{
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const auto * interval_type = checkAndGetDataType<DataTypeInterval>(argument.type.get());
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if (!interval_type)
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument of function {}. "
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"Should be an interval of time", argument.type->getName(), function_name);
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interval_kind = interval_type->getKind();
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result_type_is_date = (interval_type->getKind() == IntervalKind::Year) || (interval_type->getKind() == IntervalKind::Quarter)
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|| (interval_type->getKind() == IntervalKind::Month) || (interval_type->getKind() == IntervalKind::Week);
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}
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void checkIntervalArgument(const ColumnWithTypeAndName & argument, const String & function_name, bool & result_type_is_date)
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{
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IntervalKind interval_kind;
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checkIntervalArgument(argument, function_name, interval_kind, result_type_is_date);
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}
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void checkTimeZoneArgument(
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const ColumnWithTypeAndName & argument,
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const String & function_name)
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{
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if (!WhichDataType(argument.type).isString())
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal type {} of argument of function {}. "
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"This argument is optional and must be a constant string with timezone name",
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argument.type->getName(), function_name);
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}
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bool checkIntervalOrTimeZoneArgument(const ColumnWithTypeAndName & argument, const String & function_name, IntervalKind & interval_kind, bool & result_type_is_date)
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{
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if (WhichDataType(argument.type).isString())
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{
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checkTimeZoneArgument(argument, function_name);
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return false;
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}
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checkIntervalArgument(argument, function_name, interval_kind, result_type_is_date);
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return true;
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}
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}
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template <>
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struct TimeWindowImpl<TUMBLE>
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{
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static constexpr auto name = "tumble";
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[[maybe_unused]] static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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bool result_type_is_date;
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if (arguments.size() == 2)
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{
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checkFirstArgument(arguments.at(0), function_name);
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checkIntervalArgument(arguments.at(1), function_name, result_type_is_date);
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}
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else if (arguments.size() == 3)
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{
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checkFirstArgument(arguments.at(0), function_name);
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checkIntervalArgument(arguments.at(1), function_name, result_type_is_date);
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checkTimeZoneArgument(arguments.at(2), function_name);
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}
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else
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{
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throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
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"Number of arguments for function {} doesn't match: passed {}, should be 2 or 3",
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function_name, arguments.size());
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}
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DataTypePtr data_type = nullptr;
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if (result_type_is_date)
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data_type = std::make_shared<DataTypeDate>();
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else
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data_type = std::make_shared<DataTypeDateTime>(extractTimeZoneNameFromFunctionArguments(arguments, 2, 0));
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return std::make_shared<DataTypeTuple>(DataTypes{data_type, data_type});
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}
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static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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const auto & time_column = arguments[0];
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const auto & interval_column = arguments[1];
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const auto & from_datatype = *time_column.type.get();
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const auto which_type = WhichDataType(from_datatype);
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const auto * time_column_vec = checkAndGetColumn<ColumnDateTime>(time_column.column.get());
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const DateLUTImpl & time_zone = extractTimeZoneFromFunctionArguments(arguments, 2, 0);
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if (!which_type.isDateTime() || !time_column_vec)
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal column {} of function {}. "
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"Must contain dates or dates with time", time_column.name, function_name);
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auto interval = dispatchForIntervalColumns(interval_column, function_name);
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switch (std::get<0>(interval))
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{
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//TODO: add proper support for fractional seconds
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// case IntervalKind::Nanosecond:
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// return executeTumble<UInt32, IntervalKind::Nanosecond>(*time_column_vec, std::get<1>(interval), time_zone);
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// case IntervalKind::Microsecond:
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// return executeTumble<UInt32, IntervalKind::Microsecond>(*time_column_vec, std::get<1>(interval), time_zone);
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// case IntervalKind::Millisecond:
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// return executeTumble<UInt32, IntervalKind::Millisecond>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Second:
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return executeTumble<UInt32, IntervalKind::Second>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Minute:
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return executeTumble<UInt32, IntervalKind::Minute>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Hour:
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return executeTumble<UInt32, IntervalKind::Hour>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Day:
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return executeTumble<UInt32, IntervalKind::Day>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Week:
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return executeTumble<UInt16, IntervalKind::Week>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Month:
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return executeTumble<UInt16, IntervalKind::Month>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Quarter:
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return executeTumble<UInt16, IntervalKind::Quarter>(*time_column_vec, std::get<1>(interval), time_zone);
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case IntervalKind::Year:
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return executeTumble<UInt16, IntervalKind::Year>(*time_column_vec, std::get<1>(interval), time_zone);
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default:
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throw Exception(ErrorCodes::SYNTAX_ERROR, "Fraction seconds are unsupported by windows yet");
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}
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UNREACHABLE();
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}
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template <typename ToType, IntervalKind::Kind unit>
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static ColumnPtr executeTumble(const ColumnDateTime & time_column, UInt64 num_units, const DateLUTImpl & time_zone)
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{
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const auto & time_data = time_column.getData();
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size_t size = time_column.size();
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auto start = ColumnVector<ToType>::create();
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auto end = ColumnVector<ToType>::create();
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auto & start_data = start->getData();
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auto & end_data = end->getData();
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start_data.resize(size);
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end_data.resize(size);
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for (size_t i = 0; i != size; ++i)
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{
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start_data[i] = ToStartOfTransform<unit>::execute(time_data[i], num_units, time_zone);
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end_data[i] = AddTime<unit>::execute(start_data[i], num_units, time_zone);
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}
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MutableColumns result;
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result.emplace_back(std::move(start));
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result.emplace_back(std::move(end));
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return ColumnTuple::create(std::move(result));
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}
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};
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template <>
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struct TimeWindowImpl<TUMBLE_START>
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{
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static constexpr auto name = "tumbleStart";
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static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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if (arguments.size() == 1)
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{
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auto type = WhichDataType(arguments[0].type);
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if (type.isTuple())
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return std::static_pointer_cast<const DataTypeTuple>(arguments[0].type)->getElement(0);
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else if (type.isUInt32())
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return std::make_shared<DataTypeDateTime>();
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else
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throw Exception(ErrorCodes::ILLEGAL_COLUMN,
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"Illegal type of first argument of function {} should be DateTime, Tuple or UInt32",
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function_name);
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}
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else
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{
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return std::static_pointer_cast<const DataTypeTuple>(TimeWindowImpl<TUMBLE>::getReturnType(arguments, function_name))
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->getElement(0);
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}
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}
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[[maybe_unused]] static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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const auto & time_column = arguments[0];
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const auto which_type = WhichDataType(time_column.type);
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ColumnPtr result_column;
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if (arguments.size() == 1)
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{
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if (which_type.isUInt32())
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return time_column.column;
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else //isTuple
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result_column = time_column.column;
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}
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else
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result_column = TimeWindowImpl<TUMBLE>::dispatchForColumns(arguments, function_name);
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return executeWindowBound(result_column, 0, function_name);
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}
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};
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template <>
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struct TimeWindowImpl<TUMBLE_END>
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{
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static constexpr auto name = "tumbleEnd";
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[[maybe_unused]] static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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return TimeWindowImpl<TUMBLE_START>::getReturnType(arguments, function_name);
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}
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[[maybe_unused]] static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String& function_name)
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{
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const auto & time_column = arguments[0];
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const auto which_type = WhichDataType(time_column.type);
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ColumnPtr result_column;
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if (arguments.size() == 1)
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{
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if (which_type.isUInt32())
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return time_column.column;
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else //isTuple
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result_column = time_column.column;
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}
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else
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result_column = TimeWindowImpl<TUMBLE>::dispatchForColumns(arguments, function_name);
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return executeWindowBound(result_column, 1, function_name);
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}
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};
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template <>
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struct TimeWindowImpl<HOP>
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{
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static constexpr auto name = "hop";
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[[maybe_unused]] static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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bool result_type_is_date;
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IntervalKind interval_kind_1;
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IntervalKind interval_kind_2;
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if (arguments.size() == 3)
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{
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checkFirstArgument(arguments.at(0), function_name);
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checkIntervalArgument(arguments.at(1), function_name, interval_kind_1, result_type_is_date);
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checkIntervalArgument(arguments.at(2), function_name, interval_kind_2, result_type_is_date);
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}
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else if (arguments.size() == 4)
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{
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checkFirstArgument(arguments.at(0), function_name);
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checkIntervalArgument(arguments.at(1), function_name, interval_kind_1, result_type_is_date);
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checkIntervalArgument(arguments.at(2), function_name, interval_kind_2, result_type_is_date);
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checkTimeZoneArgument(arguments.at(3), function_name);
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}
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else
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{
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throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
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"Number of arguments for function {} doesn't match: passed {}, should be 3 or 4",
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function_name, arguments.size());
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}
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if (interval_kind_1 != interval_kind_2)
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throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal type of window and hop column of function {}, must be same",
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function_name);
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DataTypePtr data_type = nullptr;
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if (result_type_is_date)
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data_type = std::make_shared<DataTypeDate>();
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else
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data_type = std::make_shared<DataTypeDateTime>(extractTimeZoneNameFromFunctionArguments(arguments, 3, 0));
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return std::make_shared<DataTypeTuple>(DataTypes{data_type, data_type});
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}
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static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
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{
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const auto & time_column = arguments[0];
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const auto & hop_interval_column = arguments[1];
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const auto & window_interval_column = arguments[2];
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const auto & from_datatype = *time_column.type.get();
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const auto * time_column_vec = checkAndGetColumn<ColumnDateTime>(time_column.column.get());
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const DateLUTImpl & time_zone = extractTimeZoneFromFunctionArguments(arguments, 3, 0);
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if (!WhichDataType(from_datatype).isDateTime() || !time_column_vec)
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throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal column {} argument of function {}. "
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"Must contain dates or dates with time", time_column.name, function_name);
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auto hop_interval = dispatchForIntervalColumns(hop_interval_column, function_name);
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auto window_interval = dispatchForIntervalColumns(window_interval_column, function_name);
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if (std::get<1>(hop_interval) > std::get<1>(window_interval))
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throw Exception(ErrorCodes::ARGUMENT_OUT_OF_BOUND,
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"Value for hop interval of function {} must not larger than window interval", function_name);
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switch (std::get<0>(window_interval))
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{
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//TODO: add proper support for fractional seconds
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// case IntervalKind::Nanosecond:
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// return executeHop<UInt32, IntervalKind::Nanosecond>(
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// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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// case IntervalKind::Microsecond:
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// return executeHop<UInt32, IntervalKind::Microsecond>(
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// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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// case IntervalKind::Millisecond:
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// return executeHop<UInt32, IntervalKind::Millisecond>(
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// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Second:
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return executeHop<UInt32, IntervalKind::Second>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Minute:
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return executeHop<UInt32, IntervalKind::Minute>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Hour:
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return executeHop<UInt32, IntervalKind::Hour>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Day:
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return executeHop<UInt32, IntervalKind::Day>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Week:
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return executeHop<UInt16, IntervalKind::Week>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Month:
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return executeHop<UInt16, IntervalKind::Month>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Quarter:
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return executeHop<UInt16, IntervalKind::Quarter>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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case IntervalKind::Year:
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return executeHop<UInt16, IntervalKind::Year>(
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*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
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default:
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throw Exception(ErrorCodes::SYNTAX_ERROR, "Fraction seconds are unsupported by windows yet");
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}
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UNREACHABLE();
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}
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template <typename ToType, IntervalKind::Kind kind>
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static ColumnPtr
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executeHop(const ColumnDateTime & time_column, UInt64 hop_num_units, UInt64 window_num_units, const DateLUTImpl & time_zone)
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{
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const auto & time_data = time_column.getData();
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size_t size = time_column.size();
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auto start = ColumnVector<ToType>::create();
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auto end = ColumnVector<ToType>::create();
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auto & start_data = start->getData();
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auto & end_data = end->getData();
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start_data.resize(size);
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end_data.resize(size);
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for (size_t i = 0; i < size; ++i)
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{
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ToType wstart = ToStartOfTransform<kind>::execute(time_data[i], hop_num_units, time_zone);
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ToType wend = AddTime<kind>::execute(wstart, hop_num_units, time_zone);
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wstart = AddTime<kind>::execute(wend, -window_num_units, time_zone);
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ToType wend_latest;
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do
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{
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wend_latest = wend;
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wend = AddTime<kind>::execute(wend, -hop_num_units, time_zone);
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} while (wend > time_data[i]);
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end_data[i] = wend_latest;
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start_data[i] = AddTime<kind>::execute(wend_latest, -window_num_units, time_zone);
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}
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MutableColumns result;
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result.emplace_back(std::move(start));
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result.emplace_back(std::move(end));
|
|
return ColumnTuple::create(std::move(result));
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct TimeWindowImpl<WINDOW_ID>
|
|
{
|
|
static constexpr auto name = "windowID";
|
|
|
|
[[maybe_unused]] static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
bool result_type_is_date;
|
|
IntervalKind interval_kind_1;
|
|
IntervalKind interval_kind_2;
|
|
|
|
if (arguments.size() == 2)
|
|
{
|
|
checkFirstArgument(arguments.at(0), function_name);
|
|
checkIntervalArgument(arguments.at(1), function_name, interval_kind_1, result_type_is_date);
|
|
}
|
|
else if (arguments.size() == 3)
|
|
{
|
|
checkFirstArgument(arguments.at(0), function_name);
|
|
checkIntervalArgument(arguments.at(1), function_name, interval_kind_1, result_type_is_date);
|
|
if (checkIntervalOrTimeZoneArgument(arguments.at(2), function_name, interval_kind_2, result_type_is_date))
|
|
{
|
|
if (interval_kind_1 != interval_kind_2)
|
|
throw Exception(ErrorCodes::ILLEGAL_COLUMN, "Illegal type of window and hop column of function {}, must be same",
|
|
function_name);
|
|
}
|
|
}
|
|
else if (arguments.size() == 4)
|
|
{
|
|
checkFirstArgument(arguments.at(0), function_name);
|
|
checkIntervalArgument(arguments.at(1), function_name, interval_kind_1, result_type_is_date);
|
|
checkIntervalArgument(arguments.at(2), function_name, interval_kind_2, result_type_is_date);
|
|
checkTimeZoneArgument(arguments.at(3), function_name);
|
|
}
|
|
else
|
|
{
|
|
throw Exception(ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH,
|
|
"Number of arguments for function {} doesn't match: passed {}, should be 2, 3 or 4",
|
|
function_name, arguments.size());
|
|
}
|
|
|
|
if (result_type_is_date)
|
|
return std::make_shared<DataTypeUInt16>();
|
|
else
|
|
return std::make_shared<DataTypeUInt32>();
|
|
}
|
|
|
|
[[maybe_unused]] static ColumnPtr
|
|
dispatchForHopColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
const auto & time_column = arguments[0];
|
|
const auto & hop_interval_column = arguments[1];
|
|
const auto & window_interval_column = arguments[2];
|
|
const auto & from_datatype = *time_column.type.get();
|
|
const auto * time_column_vec = checkAndGetColumn<ColumnDateTime>(time_column.column.get());
|
|
const DateLUTImpl & time_zone = extractTimeZoneFromFunctionArguments(arguments, 3, 0);
|
|
if (!WhichDataType(from_datatype).isDateTime() || !time_column_vec)
|
|
throw Exception(ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT, "Illegal column {} argument of function {}. "
|
|
"Must contain dates or dates with time", time_column.name, function_name);
|
|
|
|
auto hop_interval = dispatchForIntervalColumns(hop_interval_column, function_name);
|
|
auto window_interval = dispatchForIntervalColumns(window_interval_column, function_name);
|
|
|
|
if (std::get<1>(hop_interval) > std::get<1>(window_interval))
|
|
throw Exception(ErrorCodes::ARGUMENT_OUT_OF_BOUND,
|
|
"Value for hop interval of function {} must not larger than window interval", function_name);
|
|
|
|
switch (std::get<0>(window_interval))
|
|
{
|
|
//TODO: add proper support for fractional seconds
|
|
// case IntervalKind::Nanosecond:
|
|
// return executeHopSlice<UInt32, IntervalKind::Nanosecond>(
|
|
// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
// case IntervalKind::Microsecond:
|
|
// return executeHopSlice<UInt32, IntervalKind::Microsecond>(
|
|
// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
// case IntervalKind::Millisecond:
|
|
// return executeHopSlice<UInt32, IntervalKind::Millisecond>(
|
|
// *time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Second:
|
|
return executeHopSlice<UInt32, IntervalKind::Second>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Minute:
|
|
return executeHopSlice<UInt32, IntervalKind::Minute>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Hour:
|
|
return executeHopSlice<UInt32, IntervalKind::Hour>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Day:
|
|
return executeHopSlice<UInt32, IntervalKind::Day>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Week:
|
|
return executeHopSlice<UInt16, IntervalKind::Week>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Month:
|
|
return executeHopSlice<UInt16, IntervalKind::Month>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Quarter:
|
|
return executeHopSlice<UInt16, IntervalKind::Quarter>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
case IntervalKind::Year:
|
|
return executeHopSlice<UInt16, IntervalKind::Year>(
|
|
*time_column_vec, std::get<1>(hop_interval), std::get<1>(window_interval), time_zone);
|
|
default:
|
|
throw Exception(ErrorCodes::SYNTAX_ERROR, "Fraction seconds are unsupported by windows yet");
|
|
}
|
|
UNREACHABLE();
|
|
}
|
|
|
|
template <typename ToType, IntervalKind::Kind kind>
|
|
static ColumnPtr
|
|
executeHopSlice(const ColumnDateTime & time_column, UInt64 hop_num_units, UInt64 window_num_units, const DateLUTImpl & time_zone)
|
|
{
|
|
Int64 gcd_num_units = std::gcd(hop_num_units, window_num_units);
|
|
|
|
const auto & time_data = time_column.getData();
|
|
size_t size = time_column.size();
|
|
|
|
auto end = ColumnVector<ToType>::create();
|
|
auto & end_data = end->getData();
|
|
end_data.resize(size);
|
|
for (size_t i = 0; i < size; ++i)
|
|
{
|
|
ToType wstart = ToStartOfTransform<kind>::execute(time_data[i], hop_num_units, time_zone);
|
|
ToType wend = AddTime<kind>::execute(wstart, hop_num_units, time_zone);
|
|
ToType wend_latest;
|
|
|
|
do
|
|
{
|
|
wend_latest = wend;
|
|
wend = AddTime<kind>::execute(wend, -gcd_num_units, time_zone);
|
|
} while (wend > time_data[i]);
|
|
|
|
end_data[i] = wend_latest;
|
|
}
|
|
return end;
|
|
}
|
|
|
|
[[maybe_unused]] static ColumnPtr
|
|
dispatchForTumbleColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
ColumnPtr column = TimeWindowImpl<TUMBLE>::dispatchForColumns(arguments, function_name);
|
|
return executeWindowBound(column, 1, function_name);
|
|
}
|
|
|
|
[[maybe_unused]] static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
if (arguments.size() == 2)
|
|
return dispatchForTumbleColumns(arguments, function_name);
|
|
else
|
|
{
|
|
const auto & third_column = arguments[2];
|
|
if (arguments.size() == 3 && WhichDataType(third_column.type).isString())
|
|
return dispatchForTumbleColumns(arguments, function_name);
|
|
else
|
|
return dispatchForHopColumns(arguments, function_name);
|
|
}
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct TimeWindowImpl<HOP_START>
|
|
{
|
|
static constexpr auto name = "hopStart";
|
|
|
|
static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
if (arguments.size() == 1)
|
|
{
|
|
auto type = WhichDataType(arguments[0].type);
|
|
if (type.isTuple())
|
|
return std::static_pointer_cast<const DataTypeTuple>(arguments[0].type)->getElement(0);
|
|
else if (type.isUInt32())
|
|
return std::make_shared<DataTypeDateTime>();
|
|
else
|
|
throw Exception(ErrorCodes::ILLEGAL_COLUMN,
|
|
"Illegal type of first argument of function {} should be DateTime, Tuple or UInt32",
|
|
function_name);
|
|
}
|
|
else
|
|
{
|
|
return std::static_pointer_cast<const DataTypeTuple>(TimeWindowImpl<HOP>::getReturnType(arguments, function_name))->getElement(0);
|
|
}
|
|
}
|
|
|
|
[[maybe_unused]] static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
const auto & time_column = arguments[0];
|
|
const auto which_type = WhichDataType(time_column.type);
|
|
ColumnPtr result_column;
|
|
if (arguments.size() == 1)
|
|
{
|
|
if (which_type.isUInt32())
|
|
return time_column.column;
|
|
else //isTuple
|
|
result_column = time_column.column;
|
|
}
|
|
else
|
|
result_column = TimeWindowImpl<HOP>::dispatchForColumns(arguments, function_name);
|
|
return executeWindowBound(result_column, 0, function_name);
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct TimeWindowImpl<HOP_END>
|
|
{
|
|
static constexpr auto name = "hopEnd";
|
|
|
|
[[maybe_unused]] static DataTypePtr getReturnType(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
return TimeWindowImpl<HOP_START>::getReturnType(arguments, function_name);
|
|
}
|
|
|
|
[[maybe_unused]] static ColumnPtr dispatchForColumns(const ColumnsWithTypeAndName & arguments, const String & function_name)
|
|
{
|
|
const auto & time_column = arguments[0];
|
|
const auto which_type = WhichDataType(time_column.type);
|
|
ColumnPtr result_column;
|
|
if (arguments.size() == 1)
|
|
{
|
|
if (which_type.isUInt32())
|
|
return time_column.column;
|
|
else //isTuple
|
|
result_column = time_column.column;
|
|
}
|
|
else
|
|
result_column = TimeWindowImpl<HOP>::dispatchForColumns(arguments, function_name);
|
|
|
|
return executeWindowBound(result_column, 1, function_name);
|
|
}
|
|
};
|
|
|
|
template <TimeWindowFunctionName type>
|
|
DataTypePtr FunctionTimeWindow<type>::getReturnTypeImpl(const ColumnsWithTypeAndName & arguments) const
|
|
{
|
|
return TimeWindowImpl<type>::getReturnType(arguments, name);
|
|
}
|
|
|
|
template <TimeWindowFunctionName type>
|
|
ColumnPtr FunctionTimeWindow<type>::executeImpl(const ColumnsWithTypeAndName & arguments, const DataTypePtr & /*result_type*/, size_t /*input_rows_count*/) const
|
|
{
|
|
return TimeWindowImpl<type>::dispatchForColumns(arguments, name);
|
|
}
|
|
|
|
REGISTER_FUNCTION(TimeWindow)
|
|
{
|
|
factory.registerFunction<FunctionTumble>();
|
|
factory.registerFunction<FunctionHop>();
|
|
factory.registerFunction<FunctionTumbleStart>();
|
|
factory.registerFunction<FunctionTumbleEnd>();
|
|
factory.registerFunction<FunctionHopStart>();
|
|
factory.registerFunction<FunctionHopEnd>();
|
|
factory.registerFunction<FunctionWindowId>();
|
|
}
|
|
}
|