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tables: fix data race in mockStatRemoteData #30180

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merged 3 commits into from
Nov 29, 2021
Merged

tables: fix data race in mockStatRemoteData #30180

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16875da
tables: fix data race in mockStatRemoteData
hawkingrei Nov 26, 2021
14d60fd
Merge branch 'master' into fix_data_race_in
ti-chi-bot Nov 29, 2021
d7fe5df
Merge branch 'master' into fix_data_race_in
ti-chi-bot Nov 29, 2021
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9 changes: 9 additions & 0 deletions table/tables/state_remote.go
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Original file line number Diff line number Diff line change
Expand Up @@ -225,6 +225,7 @@ func (op *renewLeaseForReadOP) Exec(r *mockStateRemoteData) {
}

type mockStateRemoteData struct {
mu sync.Mutex
data map[int64]*stateRecord
}

Expand All @@ -241,6 +242,8 @@ func newMockStateRemoteData() *mockStateRemoteData {
}

func (r *mockStateRemoteData) Load(tid int64) (CachedTableLockType, uint64, error) {
r.mu.Lock()
defer r.mu.Unlock()
record, ok := r.data[tid]
if !ok {
return CachedTableLockNone, 0, nil
Expand All @@ -249,6 +252,8 @@ func (r *mockStateRemoteData) Load(tid int64) (CachedTableLockType, uint64, erro
}

func (r *mockStateRemoteData) LockForRead(tid int64, now, ts uint64) (bool, error) {
r.mu.Lock()
defer r.mu.Unlock()
record, ok := r.data[tid]
if !ok {
record = &stateRecord{
Expand Down Expand Up @@ -286,6 +291,8 @@ func (r *mockStateRemoteData) LockForRead(tid int64, now, ts uint64) (bool, erro
}

func (r *mockStateRemoteData) LockForWrite(tid int64, now, ts uint64) (uint64, error) {
r.mu.Lock()
defer r.mu.Unlock()
record, ok := r.data[tid]
if !ok {
record = &stateRecord{
Expand Down Expand Up @@ -334,6 +341,8 @@ func (r *mockStateRemoteData) LockForWrite(tid int64, now, ts uint64) (uint64, e
}

func (r *mockStateRemoteData) renewLeaseForRead(tid int64, oldTs uint64, newTs uint64) (bool, error) {
r.mu.Lock()
defer r.mu.Unlock()
record, ok := r.data[tid]
if !ok {
record = &stateRecord{
Expand Down