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SerializationDate.cpp
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140 lines (117 loc) · 4.58 KB
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#include <DataTypes/Serializations/SerializationDate.h>
#include <IO/ReadHelpers.h>
#include <IO/WriteHelpers.h>
#include <Columns/ColumnsNumber.h>
#include <Common/assert_cast.h>
namespace DB
{
void SerializationDate::serializeText(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const
{
writeDateText(DayNum(assert_cast<const ColumnUInt16 &>(column).getData()[row_num]), ostr, time_zone);
}
void SerializationDate::deserializeWholeText(IColumn & column, ReadBuffer & istr, const FormatSettings & settings) const
{
deserializeTextEscaped(column, istr, settings);
if (!istr.eof())
throwUnexpectedDataAfterParsedValue(column, istr, settings, "Date");
}
bool SerializationDate::tryDeserializeWholeText(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum x;
if (!tryReadDateText(x, istr, time_zone) || !istr.eof())
return false;
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
return true;
}
void SerializationDate::deserializeTextEscaped(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum x;
readDateText(x, istr, time_zone);
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
}
bool SerializationDate::tryDeserializeTextEscaped(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum x;
if (!tryReadDateText(x, istr, time_zone))
return false;
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
return true;
}
void SerializationDate::serializeTextEscaped(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const
{
serializeText(column, row_num, ostr, settings);
}
void SerializationDate::serializeTextQuoted(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const
{
writeChar('\'', ostr);
serializeText(column, row_num, ostr, settings);
writeChar('\'', ostr);
}
void SerializationDate::deserializeTextQuoted(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum x;
assertChar('\'', istr);
readDateText(x, istr, time_zone);
assertChar('\'', istr);
assert_cast<ColumnUInt16 &>(column).getData().push_back(x); /// It's important to do this at the end - for exception safety.
}
bool SerializationDate::tryDeserializeTextQuoted(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum x;
if (!checkChar('\'', istr) || !tryReadDateText(x, istr, time_zone) || !checkChar('\'', istr))
return false;
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
return true;
}
void SerializationDate::serializeTextJSON(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const
{
writeChar('"', ostr);
serializeText(column, row_num, ostr, settings);
writeChar('"', ostr);
}
void SerializationDate::deserializeTextJSON(IColumn & column, ReadBuffer & istr, const FormatSettings & format_settings) const
{
if (!checkChar('"', istr))
{
SerializationNumber<UInt16>::deserializeTextJSON(column, istr, format_settings);
return;
}
DayNum x;
readDateText(x, istr, time_zone);
assertChar('"', istr);
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
}
bool SerializationDate::tryDeserializeTextJSON(IColumn & column, ReadBuffer & istr, const FormatSettings & format_settings) const
{
if (!checkChar('"', istr))
return SerializationNumber<UInt16>::tryDeserializeTextJSON(column, istr, format_settings);
DayNum x;
if (!tryReadDateText(x, istr, time_zone) || !checkChar('"', istr))
return false;
assert_cast<ColumnUInt16 &>(column).getData().push_back(x);
return true;
}
void SerializationDate::serializeTextCSV(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const
{
writeChar('"', ostr);
serializeText(column, row_num, ostr, settings);
writeChar('"', ostr);
}
void SerializationDate::deserializeTextCSV(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum value;
readCSV(value, istr, time_zone);
assert_cast<ColumnUInt16 &>(column).getData().push_back(value);
}
bool SerializationDate::tryDeserializeTextCSV(IColumn & column, ReadBuffer & istr, const FormatSettings &) const
{
DayNum value;
if (!tryReadCSV(value, istr, time_zone))
return false;
assert_cast<ColumnUInt16 &>(column).getData().push_back(value);
return true;
}
SerializationDate::SerializationDate(const DateLUTImpl & time_zone_) : time_zone(time_zone_)
{
}
}