func writeJSON(w http.ResponseWriter, meta *HTTPResponseMeta, response interface{}) error {
bytes, err := json.Marshal(response)
if err == nil {
if !isEmpty(meta.ContentType) {
w.Header().Set("Content-Type", meta.ContentType)
} else {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
}
for key, value := range meta.Headers {
w.Header().Set(key, strings.Join(value, ";"))
}
w.WriteHeader(meta.StatusCode)
count, err := w.Write(bytes)
if count == 0 {
return exception.New("writeJSON didnt write any bytes")
}
if err != nil {
return err
}
} else {
return err
}
return nil
}
func (dfr *DataFileReader) executeCopyLine(line string, c *spiffy.DbConnection, tx *sql.Tx) (*sql.Stmt, error) {
pieces := dfr.extractCopyLine(line)
if len(pieces) < 3 {
return nil, exception.New("Invalid `COPY ...` line, cannot continue.")
}
tableName := pieces[1]
columnCSV := pieces[2]
columns := strings.Split(columnCSV, ", ")
return tx.Prepare(pq.CopyIn(tableName, columns...))
}