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go-clickhouse/ch/chproto/server_info.go

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package chproto
type ServerInfo struct {
Name string
MinorVersion uint64
MajorVersion uint64
Revision uint64
}
func (srv *ServerInfo) ReadFrom(rd *Reader) (err error) {
if srv.Name, err = rd.String(); err != nil {
return err
}
if srv.MajorVersion, err = rd.Uvarint(); err != nil {
return err
}
if srv.MinorVersion, err = rd.Uvarint(); err != nil {
return err
}
if srv.Revision, err = rd.Uvarint(); err != nil {
return err
}
if srv.Revision >= DBMS_MIN_REVISION_WITH_SERVER_TIMEZONE {
if _, err := rd.String(); err != nil { // timezone
return err
}
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}
if srv.Revision >= DBMS_MIN_REVISION_WITH_SERVER_DISPLAY_NAME {
if _, err := rd.String(); err != nil { // display name
return err
}
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}
if srv.Revision >= DBMS_MIN_REVISION_WITH_VERSION_PATCH {
if _, err := rd.Uvarint(); err != nil { // server version patch
return err
}
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}
return nil
}