Open vadinabronin opened 3 months ago
a1 float64 `parquet:"name=a1, type=DOUBLE, convertedtype=DATE"` a2 float64 `parquet:"name=a2, type=DOUBLE, convertedtype=DATE"` a3 int64 `parquet:"name=a3, type=INT64, convertedtype=DATE"` } func save3files(filename string,a1 []float64,a2 []float64,a3 []int64) { //fmt.Println(len(a1),len(a2),len(a3)) fw, err := local.NewLocalFileWriter(filename) if err != nil { panic(err) } pw, err := writer.NewParquetWriter(fw, new(LoadStruct), 2) if err != nil { panic(err) } for i := 0;i < len(a1);i++{ st := LoadStruct{a1: a1[i],a2: a2[i],a3: a3[i]} if err := pw.Write(st); err != nil { panic(err) } } if err := pw.WriteStop(); err != nil { panic(err) } fileInfo, err := os.Stat(filename) if err != nil { panic(err) } fmt.Printf("Размер файла после записи: %d байт\n", fileInfo.Size()) fw.Close() }``` panic: interface conversion: interface {} is nil, not int64 - че это за херня какой nil при pw.WriteStop
Primitive type for DATE should be INT32, check https://github.com/xitongsys/parquet-go?tab=readme-ov-file#logical-type
DATE
INT32