losipiuk commented on a change in pull request #2040:
URL: https://github.com/apache/hive/pull/2040#discussion_r589298383
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/io/avro/AvroGenericRecordReader.java
##########
@@ -88,22 +88,39 @@ public AvroGenericRecordReader(JobConf job, FileSplit
split, Reporter reporter)
gdr.setExpected(latest);
}
- if (split.getLength() == 0) {
- this.isEmptyInput = true;
- this.start = 0;
- this.reader = null;
+ org.apache.avro.file.FileReader<GenericRecord> nonFinalReader = null;
+ try {
+ if (split.getLength() == 0) {
+ this.isEmptyInput = true;
+ this.start = 0;
+ this.reader = null;
+ }
+ else {
+ this.isEmptyInput = false;
+ nonFinalReader = new DataFileReader<GenericRecord>(new
FsInput(split.getPath(), job), gdr);
+ this.reader = nonFinalReader;
+ this.reader.sync(split.getStart());
+ this.start = reader.tell();
+ }
+ this.stop = split.getStart() + split.getLength();
+ this.recordReaderID = new UID();
+
+ this.writerTimezone = extractWriterTimezoneFromMetadata(job, split, gdr);
+ this.writerProleptic = extractWriterProlepticFromMetadata(job, split,
gdr);
}
- else {
- this.isEmptyInput = false;
- this.reader = new DataFileReader<GenericRecord>(new
FsInput(split.getPath(), job), gdr);
- this.reader.sync(split.getStart());
- this.start = reader.tell();
+ catch (Exception e) {
+ if (nonFinalReader != null) {
+ try {
+ nonFinalReader.close();
+ }
+ catch (Exception closeException) {
+ if (closeException != e) {
+ e.addSuppressed(closeException);
+ }
+ }
+ }
+ throw e;
Review comment:
We cannot. On positive flow (where no exeception is thrown) the readers
should remain open and be assigned to `AvroGenericRecordReader.reader` instance
field.
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