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new d8ec7797054 [Bug](function) add index check on function like (#47991)
d8ec7797054 is described below
commit d8ec7797054c71f7ba9f7903ac4e60f26f299732
Author: Pxl <[email protected]>
AuthorDate: Tue Feb 18 17:28:47 2025 +0800
[Bug](function) add index check on function like (#47991)
### What problem does this PR solve?
Sometimes we encounter offset[last]<chars.size(), since we can't
completely avoid this situation at the moment, we will add protective
code here first.
related check&fix : https://github.com/apache/doris/pull/47964
```cpp
false, DefaultMemoryAllocator>, pad_right_ = 16, pad_left_ = 15]: 假设 ‘(n >=
(static_cast<ssize_t>(pad_left_) ? -1 : 0)) && (n <=
static_cast<ssize_t>(this->size()))’ 失败。
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int,
siginfo_t*, void*) at
/mnt/disk2/liyuanyuan/doris_test/3.0/doris/be/src/common/signal_handler.h:421
1# 0x00007F756FE8BB50 in /lib64/libc.so.6
2# gsignal in /lib64/libc.so.6
3# __GI_abort in /lib64/libc.so.6
4# _nl_load_domain.cold.0 in /lib64/libc.so.6
5# 0x00007F756FE84426 in /lib64/libc.so.6
6# doris::vectorized::PODArray<unsigned int, 4096ul, Allocator<false,
false, false, DefaultMemoryAllocator>, 16ul, 15ul>::operator[](long) const at
/mnt/disk2/liyuanyuan/doris_test/3.0/doris/be/src/vec/common/pod_array.h:365
7#
doris::vectorized::FunctionLikeBase::execute_substring(doris::vectorized::PODArray<unsigned
char, 4096ul, Allocator<false, false, false, DefaultMemoryAllocator>, 16ul,
15ul> const&, doris::vectorized::PODArray<unsigned int, 4096ul,
Allocator<false, false, false, DefaultMemoryAllocator>, 16ul, 15ul> const&,
doris::vectorized::PODArray<unsigned char, 4096ul, Allocator<false, false,
false, DefaultMemoryAllocator>, 16ul, 15ul>&,
doris::vectorized::LikeSearchState*) const at /mnt/disk2 [...]
8#
doris::vectorized::FunctionLikeBase::execute_impl(doris::FunctionContext*,
doris::vectorized::Block&, std::vector<unsigned long, std::allocator<unsigned
long> > const&, unsigned long, unsigned long) const at
/mnt/disk2/liyuanyuan/doris_test/3.0/doris/be/src/vec/functions/like.cpp:532
9#
doris::vectorized::DefaultExecutable::execute_impl(doris::FunctionContext*,
doris::vectorized::Block&, std::vector<unsigned long, std::allocator<unsigned
long> > const&, unsigned long, unsigned long) const at
/mnt/disk2/liyuanyuan/doris_test/3.0/doris/be/src/vec/functions/function.h:461
10#
doris::vectorized::PreparedFunctionImpl::_execute_skipped_constant_deal(doris::FunctionContext*,
doris::vectorized::Block&, std::vector<unsigned long, std::allocator<unsigned
long> > const&, unsigned long, unsigned long, bool) const at
/mnt/disk2/liyuanyuan/doris_test/3.0/doris/be/src/vec/functions/function.cpp:120
```
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [x] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [x] Other reason <!-- Add your reason? -->
- Behavior changed:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [x] Confirm the release note
- [x] Confirm test cases
- [x] Confirm document
- [x] Add branch pick label <!-- Add branch pick label that this PR
should merge into -->
---
be/src/vec/functions/like.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/be/src/vec/functions/like.cpp b/be/src/vec/functions/like.cpp
index d727ba6e850..09bfc961a2e 100644
--- a/be/src/vec/functions/like.cpp
+++ b/be/src/vec/functions/like.cpp
@@ -573,7 +573,7 @@ Status FunctionLikeBase::execute_substring(const
ColumnString::Chars& values,
/// Determine which index it refers to.
/// begin + value_offsets[i] is the start offset of string at i+1
- while (begin + value_offsets[i] < pos) {
+ while (i < value_offsets.size() && begin + value_offsets[i] < pos) {
++i;
}
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