log0pre_8_0_30.h File Reference

Redo log functions and constants related to redo formats before 8.0.30. More...

#include "log0types.h"

Go to the source code of this file.

Classes
struct	log_pre_8_0_30::Checkpoint_header
	Meta data stored in one of two checkpoint headers. More...

Namespaces
namespace	log_pre_8_0_30

Functions
os_offset_t	log_pre_8_0_30::compute_real_offset_for_lsn (size_t n_files, os_offset_t file_size, lsn_t some_file_lsn, os_offset_t some_file_offset, lsn_t requested_lsn)
	Provides a file offset for the given lsn. More...
bool	log_pre_8_0_30::checkpoint_header_deserialize (const byte *buf, Checkpoint_header &header)
	Deserializes the log checkpoint header stored in the given buffer. More...
std::string	log_pre_8_0_30::file_name (Log_file_id file_id)
	Provides name of the log file with the given file id, e.g. More...
bool	log_pre_8_0_30::files_validate_format (const Log_files_context &files_ctx, const ut::vector< Log_file_id_and_header > &files, Log_format &format)
	Validates that ib_logfile0 exists and has format older than VERSION_8_0_30. More...

Variables
constexpr const char *const	log_pre_8_0_30::FILE_BASE_NAME = "ib_logfile"
	Prefix of log file name in the old redo format (before 8.0.30). More...
constexpr Log_file_id	log_pre_8_0_30::FILE_MAX_ID = 99
	Maximum redo log file id in the old format (before 8.0.30). More...
constexpr os_offset_t	log_pre_8_0_30::FIELD_CHECKPOINT_NO = 0
	Checkpoint number. More...
constexpr os_offset_t	log_pre_8_0_30::FIELD_CHECKPOINT_LSN = 8
	Checkpoint lsn. More...
constexpr os_offset_t	log_pre_8_0_30::FIELD_CHECKPOINT_OFFSET = 16
	Offset within the log files, which corresponds to checkpoint lsn. More...
constexpr uint32_t	log_pre_8_0_30::FIELD_CHECKPOINT_LOG_BUF_SIZE = 24
	Size of the log buffer, when the checkpoint write was started. More...

Detailed Description

Redo log functions and constants related to redo formats before 8.0.30.