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#pragma once
#if USE_AWS_S3
# include <Storages/S3Queue/S3QueueSettings.h>
# include <Storages/StorageS3.h>
# include <base/types.h>
namespace DB
{
class WriteBuffer;
class ReadBuffer;
/** The basic parameters of S3Queue table engine for saving in ZooKeeper.
* Lets you verify that they match local ones.
*/
struct S3QueueTableMetadata
{
String format_name;
String after_processing;
String mode;
UInt64 s3queue_tracked_files_limit;
UInt64 s3queue_tracked_file_ttl_sec;
S3QueueTableMetadata() = default;
S3QueueTableMetadata(const StorageS3::Configuration & configuration, const S3QueueSettings & engine_settings);
void read(const String & metadata_str);
static S3QueueTableMetadata parse(const String & metadata_str);
String toString() const;
void checkEquals(const S3QueueTableMetadata & from_zk) const;
private:
void checkImmutableFieldsEquals(const S3QueueTableMetadata & from_zk) const;
};
}
#endif
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