ClickHouse/src/Processors/Formats/Impl/MySQLDumpRowInputFormat.h
2022-04-28 14:59:35 +00:00

43 lines
1.1 KiB
C++

#pragma once
#include <Processors/Formats/IRowInputFormat.h>
#include <Processors/Formats/ISchemaReader.h>
#include <Formats/FormatSettings.h>
namespace DB
{
class MySQLDumpRowInputFormat final : public IRowInputFormat
{
public:
MySQLDumpRowInputFormat(ReadBuffer & in_, const Block & header_, Params params_, const FormatSettings & format_settings_);
String getName() const override { return "MySQLDumpRowInputFormat"; }
void readPrefix() override;
private:
bool readRow(MutableColumns & columns, RowReadExtension &) override;
bool readField(IColumn & column, size_t column_idx);
void skipField();
String table_name;
DataTypes types;
std::unordered_map<String, size_t> column_indexes_by_names;
const FormatSettings format_settings;
};
class MySQLDumpSchemaReader : public IRowSchemaReader
{
public:
MySQLDumpSchemaReader(ReadBuffer & in_, const FormatSettings & format_settings);
private:
NamesAndTypesList readSchema() override;
DataTypes readRowAndGetDataTypes() override;
const FormatSettings format_settings;
String table_name;
};
}