brokercap/Bifrost: plugin/clickhouse/src/normal_sync.go; 28 LoC

Found a possible issue in [brokercap/Bifrost](https://www.github.com/brokercap/Bifrost) at [plugin/clickhouse/src/normal_sync.go](https://github.com/brokercap/Bifrost/blob/92a5f48c1129eedab279306407f29baa527d048b/plugin/clickhouse/src/normal_sync.go#L169-L196)

Below is the message reported by the analyzer for this snippet of code. Beware that the analyzer only reports the first issue it finds, so please do not limit your consideration to the contents of the below message.

> reference to data is reassigned at line 179

[Click here to see the code in its original context.](https://github.com/brokercap/Bifrost/blob/92a5f48c1129eedab279306407f29baa527d048b/plugin/clickhouse/src/normal_sync.go#L169-L196)

Click here to show the 28 line(s) of Go which triggered the analyzer.

```go
LOOP: for _, data := range insertDataMap {
val := make([]dbDriver.Value, 0)
for _, v := range This.p.Field {
var toV interface{}
toV, This.err = CkDataTypeTransfer(This.getMySQLData(&data,0,v.MySQL), v.CK, v.CkType,This.p.NullNotTransferDefault)
if This.err != nil {
if This.CheckDataSkip(&data) {
This.err = nil
continue LOOP
}
errData = &data
stmt.Close()
goto errLoop
}
val = append(val, toV)
}
_, This.err = stmt.Exec(val)
if This.err != nil {
if This.CheckDataSkip(&data) {
This.err = nil
continue LOOP
}
errData = &data
log.Println("plugin clickhouse insert exec err:",This.err," data:",val)
stmt.Close()
goto errLoop
}
}

```

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commit ID: 92a5f48c1129eedab279306407f29baa527d048b