(doris-thirdparty) branch orc updated: [Fix] Clear streams map when all row groups are filtered by row group stats, despite stripe stats remaining unfiltered. (#306)

[kakachen]

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kakachen pushed a commit to branch orc
in repository https://gitbox.apache.org/repos/asf/doris-thirdparty.git


The following commit(s) were added to refs/heads/orc by this push:
     new 18fb8e2c288 [Fix] Clear streams map when all row groups are filtered 
by row group stats, despite stripe stats remaining unfiltered. (#306)
18fb8e2c288 is described below

commit 18fb8e2c2888a3518bf2bbd905f60772f4754739
Author: Qi Chen <che...@selectdb.com>
AuthorDate: Fri Apr 18 18:13:33 2025 +0800

    [Fix] Clear streams map when all row groups are filtered by row group 
stats, despite stripe stats remaining unfiltered. (#306)
---
 c++/src/Reader.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c++/src/Reader.cc b/c++/src/Reader.cc
index a44398b5d5d..44f2be21e19 100644
--- a/c++/src/Reader.cc
+++ b/c++/src/Reader.cc
@@ -1165,7 +1165,6 @@ namespace orc {
     reader.reset();  // ColumnReaders use lots of memory; free old memory first
     rowIndexes.clear();
     bloomFilterIndex.clear();
-    streams.clear();
     followRowInStripe = 0;
 
     // evaluate file statistics if it exists
@@ -1218,6 +1217,7 @@ namespace orc {
           currentStripeInfo.datalength(), currentStripeInfo.footerlength(),
           currentStripeInfo.numberofrows(), contents->stream.get(), 
*contents->pool,
           contents->compression, contents->blockSize, 
contents->readerMetrics));
+      streams.clear();
       contents->stream->beforeReadStripe(std::move(currentStripeInformation), 
selectedColumns,
                                          streams);
 


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