update comment

Signed-off-by: ekexium <[email protected]>
pingcap · Feb 3, 2021 · de28dd7 · de28dd7
1 parent 044d27a
commit de28dd7
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/session/session.go b/session/session.go
@@ -508,7 +508,7 @@ func (s *session) doCommit(ctx context.Context) error {
 	}
 	s.txn.SetOption(kv.EnableAsyncCommit, s.GetSessionVars().EnableAsyncCommit)
 	s.txn.SetOption(kv.Enable1PC, s.GetSessionVars().Enable1PC)
-	// priority of the sysvar is lower than `start transaction with causal consistency`
+	// priority of the sysvar is lower than `start transaction with causal consistency only`
 	if s.txn.GetUnionStore().GetOption(kv.GuaranteeLinearizability) == nil {
 		s.txn.SetOption(kv.GuaranteeLinearizability, s.GetSessionVars().GuaranteeLinearizability)
 	}

diff --git a/sessionctx/variable/session.go b/sessionctx/variable/session.go
@@ -795,6 +795,7 @@ type SessionVars struct {
 	// Enable1PC indicates whether to enable the one-phase commit feature.
 	Enable1PC bool
 
+	// GuaranteeLinearizability indicates whether to guarantee linearizability
 	GuaranteeLinearizability bool
 
 	// AnalyzeVersion indicates how TiDB collect and use analyzed statistics.