taiyang-li commented on code in PR #2048:
URL: https://github.com/apache/orc/pull/2048#discussion_r1816104420
##########
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;
Review Comment:
@wgtmac I found it is needed by
https://github.com/bigo-sg/ClickHouse/blob/6e9d19fdd05bf951323c7b89c7d8c9089a604f0b/src/Processors/Formats/Impl/NativeORCBlockInputFormat.cpp#L990-L991
to get candidate stripes to prefetch.
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