forked from go-mysql-org/go-mysql
/
const.go
185 lines (173 loc) · 4.41 KB
/
const.go
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package replication
const (
//we only support MySQL 5.0.0+ binlog format, maybe???
MinBinlogVersion = 4
)
var (
//binlog header [ fe `bin` ]
BinLogFileHeader []byte = []byte{0xfe, 0x62, 0x69, 0x6e}
SemiSyncIndicator byte = 0xef
)
const (
LOG_EVENT_BINLOG_IN_USE_F uint16 = 0x0001
LOG_EVENT_FORCED_ROTATE_F uint16 = 0x0002
LOG_EVENT_THREAD_SPECIFIC_F uint16 = 0x0004
LOG_EVENT_SUPPRESS_USE_F uint16 = 0x0008
LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F uint16 = 0x0010
LOG_EVENT_ARTIFICIAL_F uint16 = 0x0020
LOG_EVENT_RELAY_LOG_F uint16 = 0x0040
LOG_EVENT_IGNORABLE_F uint16 = 0x0080
LOG_EVENT_NO_FILTER_F uint16 = 0x0100
LOG_EVENT_MTS_ISOLATE_F uint16 = 0x0200
)
const (
BINLOG_DUMP_NEVER_STOP uint16 = 0x00
BINLOG_DUMP_NON_BLOCK uint16 = 0x01
BINLOG_THROUGH_POSITION uint16 = 0x02
BINLOG_THROUGH_GTID uint16 = 0x04
)
const (
BINLOG_ROW_IMAGE_FULL = "FULL"
BINLOG_ROW_IAMGE_MINIMAL = "MINIMAL"
BINLOG_ROW_IMAGE_NOBLOB = "NOBLOB"
)
type EventType byte
const (
UNKNOWN_EVENT EventType = iota
START_EVENT_V3
QUERY_EVENT
STOP_EVENT
ROTATE_EVENT
INTVAR_EVENT
LOAD_EVENT
SLAVE_EVENT
CREATE_FILE_EVENT
APPEND_BLOCK_EVENT
EXEC_LOAD_EVENT
DELETE_FILE_EVENT
NEW_LOAD_EVENT
RAND_EVENT
USER_VAR_EVENT
FORMAT_DESCRIPTION_EVENT
XID_EVENT
BEGIN_LOAD_QUERY_EVENT
EXECUTE_LOAD_QUERY_EVENT
TABLE_MAP_EVENT
WRITE_ROWS_EVENTv0
UPDATE_ROWS_EVENTv0
DELETE_ROWS_EVENTv0
WRITE_ROWS_EVENTv1
UPDATE_ROWS_EVENTv1
DELETE_ROWS_EVENTv1
INCIDENT_EVENT
HEARTBEAT_EVENT
IGNORABLE_EVENT
ROWS_QUERY_EVENT
WRITE_ROWS_EVENTv2
UPDATE_ROWS_EVENTv2
DELETE_ROWS_EVENTv2
GTID_EVENT
ANONYMOUS_GTID_EVENT
PREVIOUS_GTIDS_EVENT
)
const (
// MariaDB event starts from 160
MARIADB_ANNOTATE_ROWS_EVENT EventType = 160 + iota
MARIADB_BINLOG_CHECKPOINT_EVENT
MARIADB_GTID_EVENT
MARIADB_GTID_LIST_EVENT
)
func (e EventType) String() string {
switch e {
case UNKNOWN_EVENT:
return "UnknownEvent"
case START_EVENT_V3:
return "StartEventV3"
case QUERY_EVENT:
return "QueryEvent"
case STOP_EVENT:
return "StopEvent"
case ROTATE_EVENT:
return "RotateEvent"
case INTVAR_EVENT:
return "IntVarEvent"
case LOAD_EVENT:
return "LoadEvent"
case SLAVE_EVENT:
return "SlaveEvent"
case CREATE_FILE_EVENT:
return "CreateFileEvent"
case APPEND_BLOCK_EVENT:
return "AppendBlockEvent"
case EXEC_LOAD_EVENT:
return "ExecLoadEvent"
case DELETE_FILE_EVENT:
return "DeleteFileEvent"
case NEW_LOAD_EVENT:
return "NewLoadEvent"
case RAND_EVENT:
return "RandEvent"
case USER_VAR_EVENT:
return "UserVarEvent"
case FORMAT_DESCRIPTION_EVENT:
return "FormatDescriptionEvent"
case XID_EVENT:
return "XIDEvent"
case BEGIN_LOAD_QUERY_EVENT:
return "BeginLoadQueryEvent"
case EXECUTE_LOAD_QUERY_EVENT:
return "ExectueLoadQueryEvent"
case TABLE_MAP_EVENT:
return "TableMapEvent"
case WRITE_ROWS_EVENTv0:
return "WriteRowsEventV0"
case UPDATE_ROWS_EVENTv0:
return "UpdateRowsEventV0"
case DELETE_ROWS_EVENTv0:
return "DeleteRowsEventV0"
case WRITE_ROWS_EVENTv1:
return "WriteRowsEventV1"
case UPDATE_ROWS_EVENTv1:
return "UpdateRowsEventV1"
case DELETE_ROWS_EVENTv1:
return "DeleteRowsEventV1"
case INCIDENT_EVENT:
return "IncidentEvent"
case HEARTBEAT_EVENT:
return "HeartbeatEvent"
case IGNORABLE_EVENT:
return "IgnorableEvent"
case ROWS_QUERY_EVENT:
return "RowsQueryEvent"
case WRITE_ROWS_EVENTv2:
return "WriteRowsEventV2"
case UPDATE_ROWS_EVENTv2:
return "UpdateRowsEventV2"
case DELETE_ROWS_EVENTv2:
return "DeleteRowsEventV2"
case GTID_EVENT:
return "GTIDEvent"
case ANONYMOUS_GTID_EVENT:
return "AnonymousGTIDEvent"
case PREVIOUS_GTIDS_EVENT:
return "PreviousGTIDsEvent"
case MARIADB_ANNOTATE_ROWS_EVENT:
return "MariadbAnnotateRowsEvent"
case MARIADB_BINLOG_CHECKPOINT_EVENT:
return "MariadbBinLogCheckPointEvent"
case MARIADB_GTID_EVENT:
return "MariadbGTIDEvent"
case MARIADB_GTID_LIST_EVENT:
return "MariadbGTIDListEvent"
default:
return "UnknownEvent"
}
}
const (
BINLOG_CHECKSUM_ALG_OFF byte = 0 // Events are without checksum though its generator
// is checksum-capable New Master (NM).
BINLOG_CHECKSUM_ALG_CRC32 byte = 1 // CRC32 of zlib algorithm.
// BINLOG_CHECKSUM_ALG_ENUM_END, // the cut line: valid alg range is [1, 0x7f].
BINLOG_CHECKSUM_ALG_UNDEF byte = 255 // special value to tag undetermined yet checksum
// or events from checksum-unaware servers
)