[ https://issues.apache.org/jira/browse/DRILL-2267?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ramana Inukonda Nagaraj updated DRILL-2267: ------------------------------------------- Attachment: 0_0_0.parquet input file. > Parquet writer with dictionary encoding results in corrupted varchar columns > ---------------------------------------------------------------------------- > > Key: DRILL-2267 > URL: https://issues.apache.org/jira/browse/DRILL-2267 > Project: Apache Drill > Issue Type: Bug > Components: Storage - Parquet > Reporter: Ramana Inukonda Nagaraj > Assignee: Steven Phillips > Attachments: 0_0_0.parquet > > > Using CTAS created a parquet file through drill having the varchar datatype. > Created parquet file looks like this through parquet-tools > VARCHAR_col: OPTIONAL BINARY O:UTF8 R:0 D:1 > VAR16CHAR_col: OPTIONAL BINARY O:UTF8 R:0 D:1 > VARCHAR_col: BINARY SNAPPY DO:0 FPO:894307 SZ:16344/231716/14.18 > VC:378624 ENC:RLE,PLAIN_DICTIONARY,BIT_PACKED > VAR16CHAR_col: BINARY SNAPPY DO:0 FPO:910651 SZ:25830/381493/14.77 > VC:378624 ENC:RLE,PLAIN_DICTIONARY,BIT_PACKED > On querying the file several records show up having corrupted data for these > fields. > | VAR16CHAR_col | > +---------------+ > | ������������ | > | | > | �������� | > | ����� | > | �� | > | | > | | > | �� | > | ������������ | > | | > | �������� | > | ����� | > | �� | > | | > | | > | �� | > | ������������ | > | | > | �������� | > | ����� | > | �� | > | | > | | > | �� | > | ������������ | > | | > | �������� | > | ����� | > | �� | > | | > | | > | �� | > | ������������ | > | | > | �������� | > | ����� | > | �� | > If dictionary encoding is turned off the resultant file can be read without > these issues. -- This message was sent by Atlassian JIRA (v6.3.4#6332)