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56 lines
2.5 KiB
C++
56 lines
2.5 KiB
C++
#pragma once
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#include <DataTypes/DataTypeCustom.h>
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namespace DB
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{
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class ReadBuffer;
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class WriteBuffer;
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struct FormatSettings;
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class IColumn;
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/** Simple IDataTypeCustomTextSerialization that uses serializeText/deserializeText
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* for all serialization and deserialization. */
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class DataTypeCustomSimpleTextSerialization : public IDataTypeCustomTextSerialization
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{
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public:
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// Methods that subclasses must override in order to get full serialization/deserialization support.
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virtual void serializeText(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const override = 0;
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virtual void deserializeText(IColumn & column, ReadBuffer & istr, const FormatSettings &) const = 0;
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/** Text deserialization without quoting or escaping.
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*/
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void deserializeWholeText(IColumn & column, ReadBuffer & istr, const FormatSettings &) const override;
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/** Text serialization with escaping but without quoting.
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*/
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void serializeTextEscaped(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const override;
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void deserializeTextEscaped(IColumn & column, ReadBuffer & istr, const FormatSettings &) const override;
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/** Text serialization as a literal that may be inserted into a query.
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*/
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void serializeTextQuoted(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const override;
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void deserializeTextQuoted(IColumn & column, ReadBuffer & istr, const FormatSettings &) const override;
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/** Text serialization for the CSV format.
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*/
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void serializeTextCSV(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const override;
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/** delimiter - the delimiter we expect when reading a string value that is not double-quoted
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* (the delimiter is not consumed).
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*/
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void deserializeTextCSV(IColumn & column, ReadBuffer & istr, const FormatSettings &) const override;
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/** Text serialization intended for using in JSON format.
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* force_quoting_64bit_integers parameter forces to brace UInt64 and Int64 types into quotes.
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*/
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void serializeTextJSON(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const override;
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void deserializeTextJSON(IColumn & column, ReadBuffer & istr, const FormatSettings &) const override;
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/** Text serialization for putting into the XML format.
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*/
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void serializeTextXML(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const override;
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};
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}
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