net.wicp.tams.common.binlog.parser.event

类 FormatDescriptionLogEvent

java.lang.Object

net.wicp.tams.common.binlog.parser.LogEvent

net.wicp.tams.common.binlog.parser.event.StartLogEventV3

net.wicp.tams.common.binlog.parser.event.FormatDescriptionLogEvent

public final class FormatDescriptionLogEvent
extends StartLogEventV3

For binlog version 4. This event is saved by threads which read it, as they need it for future use (to decode the ordinary events).

字段概要

字段

限定符和类型	字段和说明
static int	ANNOTATE_ROWS_HEADER_LEN
static int	APPEND_BLOCK_HEADER_LEN
static int	BEGIN_LOAD_QUERY_HEADER_LEN
static int	BINLOG_CHECKPOINT_HEADER_LEN
static int	BINLOG_CHECKSUM_ALG_DESC_LEN
static long	checksumVersionProduct
static int[]	checksumVersionSplit
protected int	commonHeaderLen The size of the fixed header which _all_ events have (for binlogs written by this version, this is equal to LOG_EVENT_HEADER_LEN), except FORMAT_DESCRIPTION_EVENT and ROTATE_EVENT (those have a header of size LOG_EVENT_MINIMAL_HEADER_LEN).
static int	CREATE_FILE_HEADER_LEN
static int	DELETE_FILE_HEADER_LEN
static int	EXEC_LOAD_HEADER_LEN
static int	EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN
static int	EXECUTE_LOAD_QUERY_HEADER_LEN
static FormatDescriptionLogEvent	FORMAT_DESCRIPTION_EVENT_3_23 MySQL 3.23 format descriptions.
static FormatDescriptionLogEvent	FORMAT_DESCRIPTION_EVENT_4_0_x MySQL 4.0.x (x ge 2) format descriptions.
static FormatDescriptionLogEvent	FORMAT_DESCRIPTION_EVENT_5_x MySQL 5.0 format descriptions.
static int	FORMAT_DESCRIPTION_HEADER_LEN
static int	GTID_HEADER_LEN
static int	GTID_LIST_HEADER_LEN
static int	HEARTBEAT_HEADER_LEN
static int	IGNORABLE_HEADER_LEN
static int	INCIDENT_HEADER_LEN
static int	INTVAR_HEADER_LEN
static int	LOAD_HEADER_LEN
static int	LOG_EVENT_HEADER_LEN
static int	LOG_EVENT_MINIMAL_HEADER_LEN
static int	LOG_EVENT_TYPES The number of types we handle in Format_description_log_event (UNKNOWN_EVENT is not to be handled, it does not exist in binlogs, it does not have a format).
static int	NEW_LOAD_HEADER_LEN
protected int	numberOfEventTypes
static int	OLD_HEADER_LEN
static int	POST_HEADER_LENGTH
protected short[]	postHeaderLen The list of post-headers' lengthes
static int	RAND_HEADER_LEN
static int	ROTATE_HEADER_LEN
static int	ROWS_HEADER_LEN_V1
static int	ROWS_HEADER_LEN_V2
protected int[]	serverVersionSplit
static int	SLAVE_HEADER_LEN
static int	ST_COMMON_HEADER_LEN_OFFSET
static int	START_V3_HEADER_LEN
static int	STOP_HEADER_LEN
static int	TABLE_MAP_HEADER_LEN
static int	USER_VAR_HEADER_LEN
static int	XID_HEADER_LEN

从类继承的字段 net.wicp.tams.common.binlog.parser.event.StartLogEventV3

binlogVersion, serverVersion, ST_BINLOG_VER_OFFSET, ST_SERVER_VER_LEN, ST_SERVER_VER_OFFSET

从类继承的字段 net.wicp.tams.common.binlog.parser.LogEvent

ANNOTATE_ROWS_EVENT, ANONYMOUS_GTID_LOG_EVENT, APPEND_BLOCK_EVENT, BEGIN_LOAD_QUERY_EVENT, BINLOG_CHECKPOINT_EVENT, BINLOG_CHECKSUM_ALG_CRC32, BINLOG_CHECKSUM_ALG_ENUM_END, BINLOG_CHECKSUM_ALG_OFF, BINLOG_CHECKSUM_ALG_UNDEF, BINLOG_CHECKSUM_LEN, BINLOG_VERSION, CHECKSUM_CRC32_SIGNATURE_LEN, CREATE_FILE_EVENT, DELETE_FILE_EVENT, DELETE_ROWS_EVENT, DELETE_ROWS_EVENT_V1, ENUM_END_EVENT, EVENT_LEN_OFFSET, EVENT_TYPE_OFFSET, EXEC_LOAD_EVENT, EXECUTE_LOAD_QUERY_EVENT, EXTRA_ROW_INFO_FORMAT_OFFSET, EXTRA_ROW_INFO_HDR_BYTES, EXTRA_ROW_INFO_LEN_OFFSET, EXTRA_ROW_INFO_MAX_PAYLOAD, FLAGS_OFFSET, FORMAT_DESCRIPTION_EVENT, GTID_EVENT, GTID_LIST_EVENT, GTID_LOG_EVENT, header, HEARTBEAT_LOG_EVENT, IGNORABLE_LOG_EVENT, INCIDENT_EVENT, INTVAR_EVENT, LOAD_EVENT, LOG_EVENT_IGNORABLE_F, LOG_POS_OFFSET, logger, MARIA_EVENTS_BEGIN, MARIA_SLAVE_CAPABILITY_ANNOTATE, MARIA_SLAVE_CAPABILITY_BINLOG_CHECKPOINT, MARIA_SLAVE_CAPABILITY_GTID, MARIA_SLAVE_CAPABILITY_MINE, MARIA_SLAVE_CAPABILITY_TOLERATE_HOLES, MARIA_SLAVE_CAPABILITY_UNKNOWN, MYSQL_EVENTS_END, MYSQL_TYPE_BIT, MYSQL_TYPE_BLOB, MYSQL_TYPE_DATE, MYSQL_TYPE_DATETIME, MYSQL_TYPE_DATETIME2, MYSQL_TYPE_DECIMAL, MYSQL_TYPE_DOUBLE, MYSQL_TYPE_ENUM, MYSQL_TYPE_FLOAT, MYSQL_TYPE_GEOMETRY, MYSQL_TYPE_INT24, MYSQL_TYPE_JSON, MYSQL_TYPE_LONG, MYSQL_TYPE_LONG_BLOB, MYSQL_TYPE_LONGLONG, MYSQL_TYPE_MEDIUM_BLOB, MYSQL_TYPE_NEWDATE, MYSQL_TYPE_NEWDECIMAL, MYSQL_TYPE_NULL, MYSQL_TYPE_SET, MYSQL_TYPE_SHORT, MYSQL_TYPE_STRING, MYSQL_TYPE_TIME, MYSQL_TYPE_TIME2, MYSQL_TYPE_TIMESTAMP, MYSQL_TYPE_TIMESTAMP2, MYSQL_TYPE_TINY, MYSQL_TYPE_TINY_BLOB, MYSQL_TYPE_VAR_STRING, MYSQL_TYPE_VARCHAR, MYSQL_TYPE_YEAR, NEW_LOAD_EVENT, PRE_GA_DELETE_ROWS_EVENT, PRE_GA_UPDATE_ROWS_EVENT, PRE_GA_WRITE_ROWS_EVENT, PREVIOUS_GTIDS_LOG_EVENT, QUERY_EVENT, QUERY_HEADER_LEN, QUERY_HEADER_MINIMAL_LEN, RAND_EVENT, ROTATE_EVENT, ROWS_QUERY_LOG_EVENT, SERVER_ID_OFFSET, SERVER_VERSION, SLAVE_EVENT, START_EVENT_V3, STOP_EVENT, TABLE_MAP_EVENT, UNKNOWN_EVENT, UPDATE_ROWS_EVENT, UPDATE_ROWS_EVENT_V1, USER_VAR_EVENT, WRITE_ROWS_EVENT, WRITE_ROWS_EVENT_V1, XID_EVENT

构造器概要

构造器

构造器和说明
FormatDescriptionLogEvent(int binlogVersion)
FormatDescriptionLogEvent(LogHeader header, LogBuffer buffer, FormatDescriptionLogEvent descriptionEvent)

方法概要

限定符和类型	方法和说明
void	calcServerVersionSplit()
static void	doServerVersionSplit(String serverVersion, int[] versionSplit)
int	getCommonHeaderLen()
static FormatDescriptionLogEvent	getFormatDescription(int binlogVersion)
short[]	getPostHeaderLen()
long	getVersionProduct()
boolean	isVersionBeforeChecksum()
static long	versionProduct(int[] versionSplit)

从类继承的方法 net.wicp.tams.common.binlog.parser.event.StartLogEventV3

getBinlogVersion, getServerVersion

从类继承的方法 net.wicp.tams.common.binlog.parser.LogEvent

getEventLen, getHeader, getLogPos, getServerId, getTypeName, getWhen

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

LOG_EVENT_TYPES

public static final int LOG_EVENT_TYPES

The number of types we handle in Format_description_log_event (UNKNOWN_EVENT is not to be handled, it does not exist in binlogs, it does not have a format).

另请参阅:

常量字段值

ST_COMMON_HEADER_LEN_OFFSET

public static final int ST_COMMON_HEADER_LEN_OFFSET

另请参阅:

常量字段值

OLD_HEADER_LEN

public static final int OLD_HEADER_LEN

另请参阅:

常量字段值

LOG_EVENT_HEADER_LEN

public static final int LOG_EVENT_HEADER_LEN

另请参阅:

常量字段值

LOG_EVENT_MINIMAL_HEADER_LEN

public static final int LOG_EVENT_MINIMAL_HEADER_LEN

另请参阅:

常量字段值

STOP_HEADER_LEN

public static final int STOP_HEADER_LEN

另请参阅:

常量字段值

LOAD_HEADER_LEN

public static final int LOAD_HEADER_LEN

另请参阅:

常量字段值

SLAVE_HEADER_LEN

public static final int SLAVE_HEADER_LEN

另请参阅:

常量字段值

START_V3_HEADER_LEN

public static final int START_V3_HEADER_LEN

另请参阅:

常量字段值

ROTATE_HEADER_LEN

public static final int ROTATE_HEADER_LEN

另请参阅:

常量字段值

INTVAR_HEADER_LEN

public static final int INTVAR_HEADER_LEN

另请参阅:

常量字段值

CREATE_FILE_HEADER_LEN

public static final int CREATE_FILE_HEADER_LEN

另请参阅:

常量字段值

APPEND_BLOCK_HEADER_LEN

public static final int APPEND_BLOCK_HEADER_LEN

另请参阅:

常量字段值

EXEC_LOAD_HEADER_LEN

public static final int EXEC_LOAD_HEADER_LEN

另请参阅:

常量字段值

DELETE_FILE_HEADER_LEN

public static final int DELETE_FILE_HEADER_LEN

另请参阅:

常量字段值

NEW_LOAD_HEADER_LEN

public static final int NEW_LOAD_HEADER_LEN

另请参阅:

常量字段值

RAND_HEADER_LEN

public static final int RAND_HEADER_LEN

另请参阅:

常量字段值

USER_VAR_HEADER_LEN

public static final int USER_VAR_HEADER_LEN

另请参阅:

常量字段值

FORMAT_DESCRIPTION_HEADER_LEN

public static final int FORMAT_DESCRIPTION_HEADER_LEN

另请参阅:

常量字段值

XID_HEADER_LEN

public static final int XID_HEADER_LEN

另请参阅:

常量字段值

BEGIN_LOAD_QUERY_HEADER_LEN

public static final int BEGIN_LOAD_QUERY_HEADER_LEN

另请参阅:

常量字段值

ROWS_HEADER_LEN_V1

public static final int ROWS_HEADER_LEN_V1

另请参阅:

常量字段值

TABLE_MAP_HEADER_LEN

public static final int TABLE_MAP_HEADER_LEN

另请参阅:

常量字段值

EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN

public static final int EXECUTE_LOAD_QUERY_EXTRA_HEADER_LEN

另请参阅:

常量字段值

EXECUTE_LOAD_QUERY_HEADER_LEN

public static final int EXECUTE_LOAD_QUERY_HEADER_LEN

另请参阅:

常量字段值

INCIDENT_HEADER_LEN

public static final int INCIDENT_HEADER_LEN

另请参阅:

常量字段值

HEARTBEAT_HEADER_LEN

public static final int HEARTBEAT_HEADER_LEN

另请参阅:

常量字段值

IGNORABLE_HEADER_LEN

public static final int IGNORABLE_HEADER_LEN

另请参阅:

常量字段值

ROWS_HEADER_LEN_V2

public static final int ROWS_HEADER_LEN_V2

另请参阅:

常量字段值

ANNOTATE_ROWS_HEADER_LEN

public static final int ANNOTATE_ROWS_HEADER_LEN

另请参阅:

常量字段值

BINLOG_CHECKPOINT_HEADER_LEN

public static final int BINLOG_CHECKPOINT_HEADER_LEN

另请参阅:

常量字段值

GTID_HEADER_LEN

public static final int GTID_HEADER_LEN

另请参阅:

常量字段值

GTID_LIST_HEADER_LEN

public static final int GTID_LIST_HEADER_LEN

另请参阅:

常量字段值

POST_HEADER_LENGTH

public static final int POST_HEADER_LENGTH

另请参阅:

常量字段值

BINLOG_CHECKSUM_ALG_DESC_LEN

public static final int BINLOG_CHECKSUM_ALG_DESC_LEN

另请参阅:

常量字段值

checksumVersionSplit

public static final int[] checksumVersionSplit

checksumVersionProduct

public static final long checksumVersionProduct

commonHeaderLen

protected final int commonHeaderLen

The size of the fixed header which _all_ events have (for binlogs written by this version, this is equal to LOG_EVENT_HEADER_LEN), except FORMAT_DESCRIPTION_EVENT and ROTATE_EVENT (those have a header of size LOG_EVENT_MINIMAL_HEADER_LEN).

numberOfEventTypes

protected int numberOfEventTypes

postHeaderLen

protected final short[] postHeaderLen

The list of post-headers' lengthes

serverVersionSplit

protected int[] serverVersionSplit

FORMAT_DESCRIPTION_EVENT_5_x

public static final FormatDescriptionLogEvent FORMAT_DESCRIPTION_EVENT_5_x

MySQL 5.0 format descriptions.

FORMAT_DESCRIPTION_EVENT_4_0_x

public static final FormatDescriptionLogEvent FORMAT_DESCRIPTION_EVENT_4_0_x

MySQL 4.0.x (x ge 2) format descriptions.

FORMAT_DESCRIPTION_EVENT_3_23

public static final FormatDescriptionLogEvent FORMAT_DESCRIPTION_EVENT_3_23

MySQL 3.23 format descriptions.

构造器详细资料

FormatDescriptionLogEvent

public FormatDescriptionLogEvent(LogHeader header,
                                 LogBuffer buffer,
                                 FormatDescriptionLogEvent descriptionEvent)
                          throws IOException

抛出:

IOException

FormatDescriptionLogEvent

public FormatDescriptionLogEvent(int binlogVersion)

方法详细资料

getFormatDescription

public static FormatDescriptionLogEvent getFormatDescription(int binlogVersion)
                                                      throws IOException

抛出:

IOException

calcServerVersionSplit

public void calcServerVersionSplit()

getVersionProduct

public long getVersionProduct()

isVersionBeforeChecksum

public boolean isVersionBeforeChecksum()

doServerVersionSplit

public static void doServerVersionSplit(String serverVersion,
                                        int[] versionSplit)

versionProduct

public static long versionProduct(int[] versionSplit)

getCommonHeaderLen

public final int getCommonHeaderLen()

getPostHeaderLen

public final short[] getPostHeaderLen()