Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/847#discussion_r119979144
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/columnreaders/AsyncPageReader.java
---
@@ -105,22 +105,34 @@ protected void loadDictionaryIfExists(final
ColumnReader<?> parentStatus,
if (columnChunkMetaData.getDictionaryPageOffset() > 0) {
try {
assert(columnChunkMetaData.getDictionaryPageOffset() >=
dataReader.getPos() );
- dataReader.skip(columnChunkMetaData.getDictionaryPageOffset() -
dataReader.getPos());
+ long bytesToSkip = columnChunkMetaData.getDictionaryPageOffset() -
dataReader.getPos();
+ while (bytesToSkip > 0) {
+ long skipped = dataReader.skip(bytesToSkip);
+ if (skipped > 0) {
+ bytesToSkip -= skipped;
+ } else {
+ // no good way to handle this. Guava uses
InputStream.available to check
+ // if EOF is reached and because available is not reliable,
+ // tries to read the rest of the data.
+ DrillBuf skipBuf = dataReader.getNext((int) bytesToSkip);
+ if (skipBuf != null) {
+ skipBuf.release();
+ } else {
+ throw new EOFException("End of File reachecd.");
--- End diff --
Typo
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