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[BUG] change elr's is_determined_state

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This commit is contained in:
Handora
2023-02-08 14:56:53 +08:00
committed by ob-robot
parent 625815e91e
commit 2cbb511011
1 changed files with 10 additions and 3 deletions
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13
src/storage/tx/ob_tx_data_functor.cpp
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@ -223,6 +223,7 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
// Case 2.0: read the latest written of current txn
can_read_ = !tx_data.undo_status_list_.is_contain(data_sql_sequence);
trans_version_ = SCN::min_scn();
is_determined_state_ = false;
} else if (snapshot_tx_id == data_tx_id) {
// Case 2.1: data is owned by the read txn
bool tmp_can_read = false;
@ -241,6 +242,7 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
!tx_data.undo_status_list_.is_contain(data_sql_sequence);
// Tip 2.1.2: trans version is unnecessary for the running txn
trans_version_ = SCN::min_scn();
is_determined_state_ = false;
} else {
// Case 2.2: data is not owned by the read txn
// NB: we need pay attention to the choice condition when issuing the
@ -256,6 +258,7 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
// unnecessary for the running txn
can_read_ = false;
trans_version_ = SCN::min_scn();
is_determined_state_ = false;
} else if (tx_cc_ctx->prepare_version_ > snapshot_version) {
// Case 2.2.2: data is at least in prepare state and the prepare
// version is bigger than the read txn's snapshot version, then the
@ -264,12 +267,15 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
// the running txn
can_read_ = false;
trans_version_ = SCN::min_scn();
is_determined_state_ = false;
} else {
// Only dml statement can read elr data
if (ObTxData::ELR_COMMIT == state
&& lock_for_read_arg_.mvcc_acc_ctx_.snapshot_.tx_id_.is_valid()) {
can_read_ = !tx_data.undo_status_list_.is_contain(data_sql_sequence);
trans_version_ = commit_version;
// TODO(handora.qc): use better implementaion to remove it
is_determined_state_ = true;
} else {
// Case 2.2.3: data is in prepare state and the prepare version is
// smaller than the read txn's snapshot version, then the data's
@ -279,13 +285,11 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
ret = OB_ERR_SHARED_LOCK_CONFLICT;
if (REACH_TIME_INTERVAL(1 * 1000 * 1000)) {
TRANS_LOG(WARN, "lock_for_read need retry", K(ret),
K(tx_data), K(lock_for_read_arg_), K(tx_cc_ctx));
K(tx_data), K(lock_for_read_arg_), KPC(tx_cc_ctx));
}
}
}
}
// Tip 2.1: data is during execution, so the state is not decided.
is_determined_state_ = false;
break;
}
case ObTxData::ABORT: {
@ -297,6 +301,9 @@ int LockForReadFunctor::inner_lock_for_read(const ObTxData &tx_data, ObTxCCCtx *
break;
}
default:
// unexpected case
ret = OB_ERR_UNEXPECTED;
TRANS_LOG(ERROR, "unexpected state", K(tx_data), KPC(tx_cc_ctx), K(lock_for_read_arg_));
break;
}