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jianliangqi pushed a commit to branch clucene
in repository https://gitbox.apache.org/repos/asf/doris-thirdparty.git
The following commit(s) were added to refs/heads/clucene by this push:
new c5d02a7e411 [fix](inverted index) Handle an empty segment index file
(#239)
c5d02a7e411 is described below
commit c5d02a7e41194b02444be6d684e3aeb4ff1b5595
Author: zzzxl <[email protected]>
AuthorDate: Mon Sep 2 15:28:07 2024 +0800
[fix](inverted index) Handle an empty segment index file (#239)
---
src/core/CLucene/debug/error.h | 1 +
src/core/CLucene/index/DirectoryIndexReader.cpp | 4 +++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/core/CLucene/debug/error.h b/src/core/CLucene/debug/error.h
index 5c5c6203524..4724b460a3a 100644
--- a/src/core/CLucene/debug/error.h
+++ b/src/core/CLucene/debug/error.h
@@ -35,6 +35,7 @@
#define CL_ERR_FieldReader 24
#define CL_ERR_MaxBytesLength 25
#define CL_ERR_FileNotFound 26
+#define CL_ERR_EmptyIndexSegment 27
////////////////////////////////////////////////////////
//error try/throw/catch definitions
diff --git a/src/core/CLucene/index/DirectoryIndexReader.cpp
b/src/core/CLucene/index/DirectoryIndexReader.cpp
index ba3a42ffb75..24f7c105e01 100644
--- a/src/core/CLucene/index/DirectoryIndexReader.cpp
+++ b/src/core/CLucene/index/DirectoryIndexReader.cpp
@@ -152,7 +152,9 @@ CL_NS_DEF(index)
DirectoryIndexReader* reader;
- if (infos->size() == 1) { // index is optimized
+ if (infos->size() == 0) {
+ _CLTHROWA(CL_ERR_EmptyIndexSegment, "The number of index segments is
0, indicating incorrect index generation.");
+ } else if (infos->size() == 1) { // index is optimized
reader = SegmentReader::get(infos, infos->info(0), readBufferSize_,
closeDirectory);
} else {
reader = _CLNEW MultiSegmentReader(directory, infos, closeDirectory,
readBufferSize_);
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