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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2022/04/17 18:22:12 UTC
[GitHub] [hive] asolimando opened a new pull request, #3219: [WIP] HIVE-26147 orc raw record merger fix
asolimando opened a new pull request, #3219:
URL: https://github.com/apache/hive/pull/3219
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[GitHub] [hive] klcopp merged pull request #3219: HIVE-26147: OrcRawRecordMerger throws NPE when hive.acid.key.index is missing for an acid file
Posted by GitBox <gi...@apache.org>.
klcopp merged PR #3219:
URL: https://github.com/apache/hive/pull/3219
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[GitHub] [hive] amansinha100 commented on a diff in pull request #3219: [WIP] HIVE-26147 orc raw record merger fix
Posted by GitBox <gi...@apache.org>.
amansinha100 commented on code in PR #3219:
URL: https://github.com/apache/hive/pull/3219#discussion_r852545241
##########
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcRawRecordMerger.java:
##########
@@ -763,15 +763,20 @@ private KeyInterval discoverOriginalKeyBounds(Reader reader, int bucket,
}
/**
- * Find the key range for the split (of the base). These are used to filter delta files since
- * both are sorted by key.
+ * Find the key range for the split (of the base) based on the 'hive.acid.key.index' metadata.
+ * These keys are used to filter delta files since both are sorted by key.
+ * If 'hive.acid.key.index' is missing from the ORC file, return null keys (which forces a full read).
* @param reader the reader
* @param options the options for reading with
- * @throws IOException
*/
- private KeyInterval discoverKeyBounds(Reader reader,
- Reader.Options options) throws IOException {
- RecordIdentifier[] keyIndex = OrcRecordUpdater.parseKeyIndex(reader);
+ private KeyInterval discoverKeyBounds(Reader reader, Reader.Options options) {
+ final RecordIdentifier[] keyIndex = OrcRecordUpdater.parseKeyIndex(reader);
+ if (keyIndex == null) {
+ LOG.warn("Missing '{}' metadata in ORC acid file, can't compute min/max keys",
Review Comment:
nit: 'Instead of ORC 'acid' file, suggest just using ORC file since the table has acid property, not the file.
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