ClickHouse/src/Functions/extractTimeZoneFromFunctionArguments.h

26 lines
728 B
C++

#pragma once
#include <string>
#include <Core/ColumnNumbers.h>
#include <Core/ColumnsWithTypeAndName.h>
class DateLUTImpl;
namespace DB
{
class Block;
std::string extractTimeZoneNameFromColumn(const IColumn & column);
/// Determine working timezone either from optional argument with time zone name or from time zone in DateTime type of argument.
/// Returns empty string if default time zone should be used.
std::string extractTimeZoneNameFromFunctionArguments(
const ColumnsWithTypeAndName & arguments, size_t time_zone_arg_num, size_t datetime_arg_num);
const DateLUTImpl & extractTimeZoneFromFunctionArguments(
const ColumnsWithTypeAndName & arguments, size_t time_zone_arg_num, size_t datetime_arg_num);
}