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feat: RowsEvent include NextPos(include name) #1007

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feat: RowsEvent include NextPos(include name) #1007

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dd8b1f9
feat: RowsEvent include NextPos(include name)
XUJiahua Mar 5, 2025
2d5ba49
fix: format with gofumpt
XUJiahua Mar 6, 2025
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2 changes: 1 addition & 1 deletion canal/dump.go
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Original file line number Diff line number Diff line change
Expand Up @@ -110,7 +110,7 @@ func (h *dumpParseHandler) Data(db string, table string, values []string) error
}
}

events := newRowsEvent(tableInfo, InsertAction, [][]interface{}{vs}, nil)
events := newRowsEvent(tableInfo, InsertAction, [][]interface{}{vs}, nil, nil)
return h.c.eventHandler.OnRow(events)
}

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7 changes: 6 additions & 1 deletion canal/rows.go
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Expand Up @@ -3,6 +3,8 @@ package canal
import (
"fmt"

"github.com/go-mysql-org/go-mysql/mysql"

"github.com/go-mysql-org/go-mysql/replication"
"github.com/go-mysql-org/go-mysql/schema"
)
Expand All @@ -26,15 +28,18 @@ type RowsEvent struct {
Rows [][]interface{}
// Header can be used to inspect the event
Header *replication.EventHeader
// NextPos including binlog name
NextPos *mysql.Position
}

func newRowsEvent(table *schema.Table, action string, rows [][]interface{}, header *replication.EventHeader) *RowsEvent {
func newRowsEvent(table *schema.Table, action string, rows [][]interface{}, header *replication.EventHeader, nextPos *mysql.Position) *RowsEvent {
e := new(RowsEvent)

e.Table = table
e.Action = action
e.Rows = rows
e.Header = header
e.NextPos = nextPos

e.handleUnsigned()

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6 changes: 3 additions & 3 deletions canal/sync.go
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Original file line number Diff line number Diff line change
Expand Up @@ -101,7 +101,7 @@ func (c *Canal) handleEvent(ev *replication.BinlogEvent) error {
}
case *replication.RowsEvent:
// we only focus row based event
err = c.handleRowsEvent(ev)
err = c.handleRowsEvent(ev, pos)
if err != nil {
c.cfg.Logger.Errorf("handle rows event at (%s, %d) error %v", pos.Name, curPos, err)
return errors.Trace(err)
Expand Down Expand Up @@ -262,7 +262,7 @@ func (c *Canal) updateReplicationDelay(ev *replication.BinlogEvent) {
atomic.StoreUint32(c.delay, newDelay)
}

func (c *Canal) handleRowsEvent(e *replication.BinlogEvent) error {
func (c *Canal) handleRowsEvent(e *replication.BinlogEvent, nextPos mysql.Position) error {
ev := e.Event.(*replication.RowsEvent)

// Caveat: table may be altered at runtime.
Expand Down Expand Up @@ -290,7 +290,7 @@ func (c *Canal) handleRowsEvent(e *replication.BinlogEvent) error {
default:
return errors.Errorf("%s not supported now", e.Header.EventType)
}
events := newRowsEvent(t, action, ev.Rows, e.Header)
events := newRowsEvent(t, action, ev.Rows, e.Header, &nextPos)
return c.eventHandler.OnRow(events)
}

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