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https://issues.apache.org/jira/browse/DRILL-7578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17046040#comment-17046040
]
ASF GitHub Bot commented on DRILL-7578:
---------------------------------------
paul-rogers commented on pull request #1978: DRILL-7578: HDF5 Metadata Queries
Fail with Large Files
URL: https://github.com/apache/drill/pull/1978#discussion_r384868442
##########
File path:
contrib/format-hdf5/src/main/java/org/apache/drill/exec/store/hdf5/HDF5BatchReader.java
##########
@@ -1069,26 +1118,30 @@ private void getAndMapCompoundData(String path,
List<String> fieldNames, IHDF5Re
for (int col = 0; col < values[row].length; col++) {
assert fieldNames != null;
currentFieldName = fieldNames.get(col);
- ArrayWriter innerWriter = listWriter.array(currentFieldName);
- if (values[row][col] instanceof Integer) {
- innerWriter.scalar().setInt((Integer) values[row][col]);
- } else if (values[row][col] instanceof Short) {
- innerWriter.scalar().setInt((Short) values[row][col]);
- } else if (values[row][col] instanceof Byte) {
- innerWriter.scalar().setInt((Byte) values[row][col]);
- } else if (values[row][col] instanceof Long) {
- innerWriter.scalar().setLong((Long) values[row][col]);
- } else if (values[row][col] instanceof Float) {
- innerWriter.scalar().setDouble((Float) values[row][col]);
- } else if (values[row][col] instanceof Double) {
- innerWriter.scalar().setDouble((Double) values[row][col]);
- } else if (values[row][col] instanceof BitSet || values[row][col]
instanceof Boolean) {
- innerWriter.scalar().setBoolean((Boolean) values[row][col]);
- } else if (values[row][col] instanceof String) {
- innerWriter.scalar().setString((String) values[row][col]);
- }
- if (col == values[row].length) {
- innerWriter.save();
+ try {
+ ArrayWriter innerWriter = listWriter.array(currentFieldName);
+ if (values[row][col] instanceof Integer) {
+ innerWriter.scalar().setInt((Integer) values[row][col]);
+ } else if (values[row][col] instanceof Short) {
+ innerWriter.scalar().setInt((Short) values[row][col]);
+ } else if (values[row][col] instanceof Byte) {
+ innerWriter.scalar().setInt((Byte) values[row][col]);
+ } else if (values[row][col] instanceof Long) {
+ innerWriter.scalar().setLong((Long) values[row][col]);
+ } else if (values[row][col] instanceof Float) {
+ innerWriter.scalar().setDouble((Float) values[row][col]);
+ } else if (values[row][col] instanceof Double) {
+ innerWriter.scalar().setDouble((Double) values[row][col]);
+ } else if (values[row][col] instanceof BitSet ||
values[row][col] instanceof Boolean) {
+ innerWriter.scalar().setBoolean((Boolean) values[row][col]);
+ } else if (values[row][col] instanceof String) {
+ innerWriter.scalar().setString((String) values[row][col]);
+ }
Review comment:
What happens for the "none of the above" case? Should we throw an exception
to be safe?
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> HDF5 Metadata Queries Fail with Large Files
> -------------------------------------------
>
> Key: DRILL-7578
> URL: https://issues.apache.org/jira/browse/DRILL-7578
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.18.0
> Reporter: Charles Givre
> Assignee: Charles Givre
> Priority: Major
> Fix For: 1.18.0
>
>
> With large files, Drill runs out of memory when attempting to project large
> datasets in the metadata.
> This PR adds a configuration option which removes the dataset projection from
> metadata queries and fixes this issue.
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