sunpe opened a new issue, #55:
URL: https://github.com/apache/arrow-go/issues/55
### Describe the bug, including details regarding any error messages,
version, and platform.
Ipc writer is not concurrency safe. When using ipc writer under concurrent
conditions, schema data may be written multiple times. And the data sink may
crash with an error.
Demo as below:
```
schema := arrow.NewSchema(...)
address, err := net.ResolveTCPAddr("tcp", '127.0.0.1')
if err!=nil {
...
}
conn, err := net.DialTCP("tcp", nil, address)
if err!=nil {
...
}
writer := ipc.NewWriter(conn, ipc.WithSchema(schema))
record := ... // create record
for i:=0; i< 10; i++ {
go func() {
if err = writer.Write(record); err != nil {
...
}
}()
}
```
### Component(s)
Go
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