From dev-return-12010-archive-asf-public=cust-asf.ponee.io@arrow.apache.org Wed May 8 01:39:05 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 8060618064C for ; Wed, 8 May 2019 03:39:05 +0200 (CEST) Received: (qmail 21180 invoked by uid 500); 8 May 2019 01:39:02 -0000 Mailing-List: contact dev-help@arrow.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@arrow.apache.org Delivered-To: mailing list dev@arrow.apache.org Received: (qmail 21158 invoked by uid 99); 8 May 2019 01:39:01 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 08 May 2019 01:39:01 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 3A2D0E0371 for ; Wed, 8 May 2019 01:39:01 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id B880020FEB for ; Wed, 8 May 2019 01:39:00 +0000 (UTC) Date: Wed, 8 May 2019 01:39:00 +0000 (UTC) From: "worker24h (JIRA)" To: dev@arrow.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Created] (ARROW-5282) Can't read data from parquet file in C++ library MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 worker24h created ARROW-5282: -------------------------------- Summary: Can't read data from parquet file in C++ library Key: ARROW-5282 URL: https://issues.apache.org/jira/browse/ARROW-5282 Project: Apache Arrow Issue Type: Bug Reporter: worker24h Specified the second param *parquet::ReaderProperties* When I used parquet:= :ParquetFileReader::Open, it can't work. The following code=EF=BC=9A {code:java} parquet::ReaderProperties _properties; _properties =3D parquet::ReaderProperties();=20 _properties.enable_buffered_stream(); // used buffer stream. Don't set b= uffer-size parquet_reader =3D parquet::ParquetFileReader::Open(_parquet, _properties); ... int32_t value; parquet::Int32Reader* int32_reader =3D static_cast(column_reader.get()); int32_reader->Skip(_current_line_of_group);// skip lines of processed. rows_read =3D int32_reader->ReadBatch(1, nullptr, nullptr, &value, &values_= read); =20 {code} The interface=C2=A0*Skip*=C2=A0throw exception=EF=BC=9A {color:#FF0000}{{Couldn't deserialize thrift: TProtocolException: Invalid d= ata Deserializing page header failed.}}{color} =C2=A0 -- This message was sent by Atlassian JIRA (v7.6.3#76005)