wgtmac commented on code in PR #2048:
URL: https://github.com/apache/orc/pull/2048#discussion_r1815161257
##########
c++/include/orc/Reader.hh:
##########
@@ -605,6 +612,26 @@ namespace orc {
*/
virtual std::map<uint32_t, BloomFilterIndex> getBloomFilters(
uint32_t stripeIndex, const std::set<uint32_t>& included) const = 0;
+
+ /**
+ * Get the input stream for the ORC file.
+ */
+ virtual InputStream* getStream() const = 0;
+
+ /**
+ * Get the footer of the ORC file.
+ */
+ virtual const proto::Footer* getFooter() const = 0;
+
+ /**
+ * Get the schema of the ORC file.
+ */
+ virtual const proto::Metadata* getMetadata() const = 0;
+
+ virtual void preBuffer(const std::vector<int>& stripes, const
std::list<uint64_t>& includeTypes,
Review Comment:
In that case, you may create 3 RowReaders and each for a single stripe. The
RowReader can call prebuffer internally. You just need to control the creation
of RowReader like the way you call prebuffer.
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