Support one-phase commit optimization (#148)

Author: brfrn169

scalardb/src/scalardb/db_extend.clj

@@ -24,6 +24,8 @@
   (doto properties
     (.setProperty "scalar.db.consensus_commit.isolation_level"
                   (-> test :isolation-level name string/upper-case (string/replace #"-" "_")))
+    (.setProperty "scalar.db.consensus_commit.one_phase_commit.enabled"
+                  (str (:enable-one-phase-commit test)))
     (.setProperty "scalar.db.consensus_commit.coordinator.group_commit.enabled"
                   (str (:enable-group-commit test)))
     (.setProperty "scalar.db.consensus_commit.coordinator.group_commit.slot_capacity" "4")

scalardb/src/scalardb/runner.clj

@@ -122,6 +122,9 @@
                      "consistency model to be checked"
                      ["snapshot-isolation"])
 
+   [nil "--enable-one-phase-commit" "if set, one-phase commit is enabled"
+    :default false]
+
    [nil "--enable-group-commit" "if set, group commit is enabled"
     :default false]