[HIVE-9471] Bad seek in uncompressed ORC, at row-group boundary.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.14.0
• Fix Version/s: 1.2.0
• Component/s: File Formats, Serializers/Deserializers
• Assignee: Mithun Radhakrishnan
• Reporter: Mithun Radhakrishnan
• Created: 26/Jan/15 22:34
• Updated: 06/Nov/15 18:16
• Resolved: 03/Feb/15 18:35

Description

Under at least one specific condition, using index-filters in ORC causes a bad seek into the ORC row-group.

stacktrace

java.io.IOException: java.lang.IllegalArgumentException: Seek in Stream for column 2 kind DATA to 0 is outside of the data
	at org.apache.hadoop.hive.ql.exec.FetchOperator.getNextRow(FetchOperator.java:507)
	at org.apache.hadoop.hive.ql.exec.FetchOperator.pushRow(FetchOperator.java:414)
	at org.apache.hadoop.hive.ql.exec.FetchTask.fetch(FetchTask.java:138)
	at org.apache.hadoop.hive.ql.Driver.getResults(Driver.java:1655)
	at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:227)
	at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:159)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:370)
	at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:305)
...
Caused by: java.lang.IllegalArgumentException: Seek in Stream for column 2 kind DATA to 0 is outside of the data
	at org.apache.hadoop.hive.ql.io.orc.InStream$UncompressedStream.seek(InStream.java:112)
	at org.apache.hadoop.hive.ql.io.orc.InStream$UncompressedStream.seek(InStream.java:96)
	at org.apache.hadoop.hive.ql.io.orc.RunLengthIntegerReaderV2.seek(RunLengthIntegerReaderV2.java:310)
	at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringDictionaryTreeReader.seek(RecordReaderImpl.java:1596)
	at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StringTreeReader.seek(RecordReaderImpl.java:1337)
	at org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl$StructTreeReader.seek(RecordReaderImpl.java:1852)

I'll attach the script to reproduce the problem herewith.

Issue Links

• is related to: HIVE-12360 Bad seek in uncompressed ORC with predicate pushdown
• is related to: HIVE-10303 HIVE-9471 broke forward compatibility of ORC files