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75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
#ifndef DBMS_DATA_TYPES_NUMBER_FIXED_H
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#define DBMS_DATA_TYPES_NUMBER_FIXED_H
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#include <Poco/DateTimeParser.h>
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#include <DB/Core/Exception.h>
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#include <DB/Core/ErrorCodes.h>
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#include <DB/Columns/ColumnsNumber.h>
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#include <DB/DataTypes/IDataTypeNumberFixed.h>
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namespace DB
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{
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class DataTypeDate : public IDataTypeNumberFixed<UInt16, ColumnUInt64>
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{
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private:
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DateLUTSingleton & date_lut;
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public:
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DataTypeDate() : date_lut(DateLUTSingleton::instance()) {}
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std::string getName() const { return "Date"; }
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void serializeText(const Field & field, std::ostream & ostr) const
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{
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DateLUT::Values & values = date_lut.getValues(boost::get<UInt16>(field));
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ostr << values.year << '-' << values.month << '-' << values.day_of_month;
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}
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void deserializeText(Field & field, std::istream & istr) const
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{
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std::string s;
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istr >> s;
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int time_zone_diff = 0;
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field = date_lut.toDayNum(Poco::DateTimeParser::parse(
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s, time_zone_diff).timestamp().epochTime());
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}
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void serializeTextEscaped(const Field & field, std::ostream & ostr) const
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{
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serializeText(field, ostr);
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}
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void deserializeTextEscaped(Field & field, std::istream & istr) const
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{
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deserializeText(field, istr);
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}
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void serializeTextQuoted(const Field & field, std::ostream & ostr, bool compatible = false) const
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{
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ostr << '\'';
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serializeText(field, ostr);
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ostr << '\'';
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}
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void deserializeTextQuoted(Field & field, std::istream & istr, bool compatible = false) const
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{
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char delim = istr.peek();
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if (delim == '\'' || delim == '"')
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istr.ignore();
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deserializeText(field, istr);
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if (istr.get() != delim)
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throw Exception("Delimiter in string literal doesn't match",
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ErrorCodes::DELIMITER_IN_STRING_LITERAL_DOESNT_MATCH);
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}
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};
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}
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#endif
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