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[4.1] fix mysqltest for protection

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This commit is contained in:
Handora
2023-02-09 14:55:35 +00:00
committed by ob-robot
parent a230391cfc
commit 633ee647fd
1 changed files with 7 additions and 7 deletions
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14
src/storage/memtable/ob_concurrent_control.cpp
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@ -54,16 +54,10 @@ int check_sequence_set_violation(const concurrent_control::ObWriteFlag write_fla
// happening.
if (writer_tx_id == locker_tx_id) {
// We need guarantee the right sequence of the same txn operations
if (writer_seq_no < locker_seq_no) {
ret = OB_ERR_UNEXPECTED;
TRANS_LOG(ERROR, "wrong row of sequence on one row found", K(reader_seq_no),
K(writer_tx_id), K(writer_dml_flag), K(writer_seq_no),
K(locker_tx_id), K(locker_dml_flag), K(locker_seq_no));
// For statements during sql and threads during PDML, the following rules is
// guaranteed:
// 1. reader seq no is bigger or equal than the seq no of the last statements
} else if (reader_seq_no < locker_seq_no) {
if (reader_seq_no < locker_seq_no) {
// Case 1: It may happens that two pdml unique index tasks insert the same
// row concurrently, so we report duplicate key under the case to prevent
// the insertion.
@ -139,6 +133,12 @@ int check_sequence_set_violation(const concurrent_control::ObWriteFlag write_fla
K(writer_tx_id), K(writer_dml_flag), K(writer_seq_no),
K(locker_tx_id), K(locker_dml_flag), K(locker_seq_no));
}
} else if (writer_seq_no < locker_seq_no) {
// We need guarantee the right sequence of the same txn operations
ret = OB_ERR_UNEXPECTED;
TRANS_LOG(ERROR, "wrong row of sequence on one row found", K(reader_seq_no),
K(writer_tx_id), K(writer_dml_flag), K(writer_seq_no),
K(locker_tx_id), K(locker_dml_flag), K(locker_seq_no));
}
}