vrozov commented on a change in pull request #1361: DRILL-6579: Added sanity checks to the
Parquet reader to avoid infini…
URL: https://github.com/apache/drill/pull/1361#discussion_r201867001
##########
File path: exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/columnreaders/VarLenBulkPageReader.java
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@@ -106,11 +107,13 @@ final void set(PageDataInfo pageInfoInput, boolean clear) {
pageInfo.dictionaryValueReader = pageInfoInput.dictionaryValueReader;
pageInfo.numPageValues = pageInfoInput.numPageValues;
if (clear) {
- buffer.clear();
- }
+ buffer.clear();
+ }
}
final VarLenColumnBulkEntry getEntry(int valuesToRead) {
+ Preconditions.checkArgument(valuesToRead > 0, String.format("Number of values to read
[%d] should be greater than zero", valuesToRead));
Review comment:
It may also be better to use Preconditions template instead of String template (sorry for
the wrong example in my prior comment).
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