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[BUGFIX] fix lob bugs

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This commit is contained in:
obdev
2023-02-10 02:41:10 +00:00
committed by ob-robot
parent 75bf694c31
commit 773fa90509
4 changed files with 17 additions and 7 deletions
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13
deps/oblib/src/common/object/ob_object.cpp vendored
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@ -560,8 +560,13 @@ int ObLobLocatorV2::get_disk_locator(ObString &disc_loc_buff) const
COMMON_LOG(WARN, "Lob: get disk locator failed", K(ret));
} else {
int64_t handle_size = reinterpret_cast<intptr_t>(disk_loc) - reinterpret_cast<intptr_t>(ptr_);
handle_size = size_ - handle_size;
disc_loc_buff.assign_ptr(reinterpret_cast<const char *>(disk_loc), handle_size);
if (handle_size > size_) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get invalid handle size", K(ret), K(size_), K(disk_loc), K(ptr_));
} else {
handle_size = size_ - handle_size;
disc_loc_buff.assign_ptr(reinterpret_cast<const char *>(disk_loc), handle_size);
}
}
return ret;
}
@ -624,8 +629,8 @@ bool ObLobLocatorV2::is_empty_lob() const
bool bret = false;
ObString disk_loc_buff;
ObMemLobCommon *loc = reinterpret_cast<ObMemLobCommon *>(ptr_);
if (!has_lob_header_) {
bret = (ptr_ == NULL && size_ == 0);
if (!has_lob_header_ || size_ == 0) {
bret = (size_ == 0);
} else if (!is_lob_disk_locator() && loc->is_simple()) {
bret = (size_ - MEM_LOB_COMMON_HEADER_LEN == 0);
} else if (OB_FAIL(get_disk_locator(disk_loc_buff))) {