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fix loop bug

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This commit is contained in:
simonjoylet 2023-04-04 05:41:06 +00:00 committed by ob-robot
parent f9ceb71a8c
commit 354a2065af
2 changed files with 3 additions and 2 deletions
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1
src/storage/ddl/ob_tablet_ddl_kv.h
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@ -129,6 +129,7 @@ public:
share::SCN get_min_scn() const { return min_scn_; }
share::SCN get_freeze_scn() const { return freeze_scn_; }
share::SCN get_ddl_start_scn() const { return ddl_start_scn_; }
share::SCN get_start_scn() const { return last_freezed_scn_; }
int64_t get_macro_block_cnt() const { return block_meta_tree_.get_macro_block_cnt(); }
void inc_pending_cnt(); // used by ddl kv pending guard
void dec_pending_cnt();

4
src/storage/ddl/ob_tablet_ddl_kv_mgr.cpp
View File

@ -955,13 +955,13 @@ void ObTabletDDLKvMgr::try_get_ddl_kv_unlock(const SCN &scn, ObTableHandleV2 &kv
int ret = OB_SUCCESS;
kv_handle.reset();
if (get_count() > 0) {
for (int64_t i = tail_ - 1; OB_SUCC(ret) && i >= head_ && !kv_handle.is_valid(); ++i) {
for (int64_t i = tail_ - 1; OB_SUCC(ret) && i >= head_ && !kv_handle.is_valid(); --i) {
ObTableHandleV2 &tmp_kv_handle = ddl_kv_handles_[get_idx(i)];
ObDDLKV *tmp_kv = static_cast<ObDDLKV *>(tmp_kv_handle.get_table());
if (OB_ISNULL(tmp_kv)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("ddl kv is null", K(ret), K(ls_id_), K(tablet_id_), KP(tmp_kv), K(i), K(head_), K(tail_));
} else if (scn <= tmp_kv->get_freeze_scn()) {
} else if (scn > tmp_kv->get_start_scn() && scn <= tmp_kv->get_freeze_scn()) {
kv_handle = tmp_kv_handle;
break;
}