func (rowCache *InvalidationProcessor) buildDmlData(event *mysqlctl.UpdateResponse) (*proto.DmlType, error) {
if !isDmlEvent(event.SqlType) {
rowCache.updateErrCounters(NewInvalidationError(INVALID_EVENT, fmt.Sprintf("Bad Dml type, '%v'", event.SqlType), event.BinlogPosition.String()))
return nil, nil
}
dml := new(proto.DmlType)
dml.Table = event.TableName
dml.Keys = make([]interface{}, 0, len(event.PkValues))
sqlTypeKeys := make([]sqltypes.Value, 0, len(event.PkColNames))
for _, pkTuple := range event.PkValues {
sqlTypeKeys = sqlTypeKeys[:0]
if len(pkTuple) == 0 {
continue
}
for _, pkVal := range pkTuple {
key, err := sqltypes.BuildValue(pkVal)
if err != nil {
rowCache.updateErrCounters(NewInvalidationError(INVALID_EVENT, fmt.Sprintf("Error building invalidation key '%v'", err), event.BinlogPosition.String()))
return nil, nil
}
sqlTypeKeys = append(sqlTypeKeys, key)
}
invalidateKey := buildKey(sqlTypeKeys)
if invalidateKey != "" {
dml.Keys = append(dml.Keys, invalidateKey)
}
}
return dml, nil
}
func (rci *RowcacheInvalidator) handleDmlEvent(event *blproto.StreamEvent) {
dml := new(proto.DmlType)
dml.Table = event.TableName
dml.Keys = make([]string, 0, len(event.PKValues))
sqlTypeKeys := make([]sqltypes.Value, 0, len(event.PKColNames))
for _, pkTuple := range event.PKValues {
sqlTypeKeys = sqlTypeKeys[:0]
for _, pkVal := range pkTuple {
key, err := sqltypes.BuildValue(pkVal)
if err != nil {
log.Errorf("Error building invalidation key for %#v: '%v'", event, err)
internalErrors.Add("Invalidation", 1)
return
}
sqlTypeKeys = append(sqlTypeKeys, key)
}
invalidateKey := buildKey(sqlTypeKeys)
if invalidateKey != "" {
dml.Keys = append(dml.Keys, invalidateKey)
}
}
rci.qe.InvalidateForDml(dml)
}