ClickHouse/src/Processors/Formats/Impl/JSONAsStringRowInputFormat.h
Mikhail Filimonov 9609bd9dee Kafka better states, formats based on PeekableReadBuffer, and other minor fixes.
Add formats tests, fixes for JSONCompactEachRowWithNamesAndTypes, TSVWithNamesAndTypes. Some CR fixes
Add sanitizing for kafka_max_block_size and kafka_poll_max_batch_size
2020-06-19 10:49:05 +02:00

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#pragma once
#include <Processors/Formats/IRowInputFormat.h>
#include <Formats/FormatFactory.h>
#include <IO/PeekableReadBuffer.h>
namespace DB
{
class ReadBuffer;
/// This format parses a sequence of JSON objects separated by newlines, spaces and/or comma.
/// Each JSON object is parsed as a whole to string.
/// This format can only parse a table with single field of type String.
class JSONAsStringRowInputFormat : public IRowInputFormat
{
public:
JSONAsStringRowInputFormat(const Block & header_, ReadBuffer & in_, Params params_);
bool readRow(MutableColumns & columns, RowReadExtension & ext) override;
String getName() const override { return "JSONAsStringRowInputFormat"; }
void resetParser() override;
private:
void readJSONObject(IColumn & column);
PeekableReadBuffer buf;
};
}