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return ob_not_master if txn was killed by LS GC routine

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This commit is contained in:
chinaxing
2023-03-15 04:41:08 +00:00
committed by ob-robot
parent e04e3c9410
commit 74a77359bd
2 changed files with 25 additions and 13 deletions
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21
src/storage/ob_value_row_iterator.cpp
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@ -293,13 +293,20 @@ int ObSingleRowGetter::get_next_row(ObNewRow *&row)
}
if (OB_SUCC(ret) || OB_ITER_END == ret) {
// check txn status not aborted, which cause readout incorrect result
if (store_ctx_->mvcc_acc_ctx_.snapshot_.tx_id_.is_valid() &&
store_ctx_->mvcc_acc_ctx_.mem_ctx_ &&
store_ctx_->mvcc_acc_ctx_.mem_ctx_->is_tx_rollbacked()) {
// The txn has been killed during normal processing. So we return
// OB_TRANS_KILLED to prompt this abnormal state.
ret = OB_TRANS_KILLED;
STORAGE_LOG(WARN, "txn has terminated", K(ret));
auto &acc_ctx = store_ctx_->mvcc_acc_ctx_;
if (acc_ctx.snapshot_.tx_id_.is_valid() &&
acc_ctx.mem_ctx_ &&
acc_ctx.mem_ctx_->is_tx_rollbacked()) {
if (acc_ctx.mem_ctx_->is_for_replay()) {
// goes here means the txn was killed due to LS's GC etc,
// return NOT_MASTER
ret = OB_NOT_MASTER;
} else {
// The txn has been killed during normal processing. So we return
// OB_TRANS_KILLED to prompt this abnormal state.
ret = OB_TRANS_KILLED;
STORAGE_LOG(WARN, "txn has terminated", K(ret), "tx_id", acc_ctx.tx_id_);
}
}
}
return ret;