Re: Lost names of struct fields in UDF

Hi. It's surprisingly, but this code solves my problem: private static Column namedStruct(Column... cols) {    List<_expression_> exprs = Arrays.stream(cols)    .flatMap(c ->    Stream.of(    new Literal(UTF8String.fromString(((NamedExpression) c.expr()).name()), DataTypes.S

Lost names of struct fields in UDF

Hi everybody! This code: DataFrame df = sqlContext.read().json(FILE_NAME); DataFrame profiles = df.select(        column("_id"),        struct(                column("name.first").as("first_name"),                column("name.last").as("last_name"),                column("friends")        ).as("pro