Skip to content

add support for BeginLoadQueryEvent and ExecuteLoadQueryEvent #11

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
May 21, 2015
Merged

add support for BeginLoadQueryEvent and ExecuteLoadQueryEvent #11

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
81 changes: 80 additions & 1 deletion replication/event.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -268,7 +268,7 @@ func (e *QueryEvent) Decode(data []byte) error {
}

func (e *QueryEvent) Dump(w io.Writer) {
fmt.Fprintf(w, "Salve proxy ID: %d\n", e.SlaveProxyID)
fmt.Fprintf(w, "Slave proxy ID: %d\n", e.SlaveProxyID)
fmt.Fprintf(w, "Execution time: %d\n", e.ExecutionTime)
fmt.Fprintf(w, "Error code: %d\n", e.ErrorCode)
//fmt.Fprintf(w, "Status vars: \n%s", hex.Dump(e.StatusVars))
Expand Down Expand Up @@ -299,6 +299,85 @@ func (e *GTIDEvent) Dump(w io.Writer) {
fmt.Fprintln(w)
}

type BeginLoadQueryEvent struct {
FileID uint32
BlockData []byte
}

func (e *BeginLoadQueryEvent) Decode(data []byte) error {
pos := 0

e.FileID = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.BlockData = data[pos:]

return nil
}

func (e *BeginLoadQueryEvent) Dump(w io.Writer) {
fmt.Fprintf(w, "File ID: %d\n", e.FileID)
fmt.Fprintf(w, "Block data: %s\n", e.BlockData)
Copy link
Collaborator

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

The BlockData is human readable? Using hex print may be better?
Copy link
Contributor Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Yes, the BlockData is human readable.

According to BEGIN_LOAD_QUERY_EVENT, block-data is string.EOF, just like QUERY_EVENT query code.
fmt.Fprintln(w)
}

type ExecuteLoadQueryEvent struct {
SlaveProxyID uint32
ExecutionTime uint32
SchemaLength uint8
ErrorCode uint16
StatusVars uint16
FileID uint32
StartPos uint32
EndPos uint32
DupHandlingFlags uint8
}

func (e *ExecuteLoadQueryEvent) Decode(data []byte) error {
pos := 0

e.SlaveProxyID = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.ExecutionTime = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.SchemaLength = uint8(data[pos])
pos++

e.ErrorCode = binary.LittleEndian.Uint16(data[pos:])
pos += 2

e.StatusVars = binary.LittleEndian.Uint16(data[pos:])
pos += 2

e.FileID = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.StartPos = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.EndPos = binary.LittleEndian.Uint32(data[pos:])
pos += 4

e.DupHandlingFlags = uint8(data[pos])

return nil
}

func (e *ExecuteLoadQueryEvent) Dump(w io.Writer) {
fmt.Fprintf(w, "Slave proxy ID: %d\n", e.SlaveProxyID)
fmt.Fprintf(w, "Execution time: %d\n", e.ExecutionTime)
fmt.Fprintf(w, "Schame length: %d\n", e.SchemaLength)
fmt.Fprintf(w, "Error code: %d\n", e.ErrorCode)
fmt.Fprintf(w, "Status vars length: %d\n", e.StatusVars)
fmt.Fprintf(w, "File ID: %d\n", e.FileID)
fmt.Fprintf(w, "Start pos: %d\n", e.StartPos)
fmt.Fprintf(w, "End pos: %d\n", e.EndPos)
fmt.Fprintf(w, "Dup handling flags: %d\n", e.DupHandlingFlags)
fmt.Fprintln(w)
}

// case MARIADB_ANNOTATE_ROWS_EVENT:
// return "MariadbAnnotateRowsEvent"

Expand Down
4 changes: 4 additions & 0 deletions replication/parser.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -163,6 +163,10 @@ func (p *BinlogParser) parseEvent(h *EventHeader, data []byte) (Event, error) {
e = &RowsQueryEvent{}
case GTID_EVENT:
e = &GTIDEvent{}
case BEGIN_LOAD_QUERY_EVENT:
e = &BeginLoadQueryEvent{}
case EXECUTE_LOAD_QUERY_EVENT:
e = &ExecuteLoadQueryEvent{}
case MARIADB_ANNOTATE_ROWS_EVENT:
e = &MariadbAnnotaeRowsEvent{}
case MARIADB_BINLOG_CHECKPOINT_EVENT:
Expand Down