Revert "SERVER-38527 Merge supportsRecoverToStableTimestamp into supportsRecoveryTimestamp"

This reverts commit b54951b484b2cba44ffa424f43acb870365e3f12.

1 files changed, 25 insertions, 1 deletions

diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp b/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp
index 833f34d98e5..3353b835cd9 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp
@@ -1729,6 +1729,13 @@ void WiredTigerKVEngine::setInitialDataTimestamp(Timestamp initialDataTimestamp)
     _initialDataTimestamp.store(initialDataTimestamp.asULL());
 }
 
+bool WiredTigerKVEngine::supportsRecoverToStableTimestamp() const {
+    if (!_keepDataHistory) {
+        return false;
+    }
+    return true;
+}
+
 bool WiredTigerKVEngine::supportsRecoveryTimestamp() const {
     return true;
 }
@@ -1743,6 +1750,11 @@ bool WiredTigerKVEngine::_canRecoverToStableTimestamp() const {
 }
 
 StatusWith<Timestamp> WiredTigerKVEngine::recoverToStableTimestamp(OperationContext* opCtx) {
+    if (!supportsRecoverToStableTimestamp()) {
+        severe() << "WiredTiger is configured to not support recover to a stable timestamp";
+        fassertFailed(50665);
+    }
+
     if (!_canRecoverToStableTimestamp()) {
         Timestamp stableTS(_stableTimestamp.load());
         Timestamp initialDataTS(_initialDataTimestamp.load());
@@ -1812,12 +1824,24 @@ Timestamp WiredTigerKVEngine::getOldestOpenReadTimestamp() const {
 }
 
 boost::optional<Timestamp> WiredTigerKVEngine::getRecoveryTimestamp() const {
-    if (_recoveryTimestamp.isNull())
+    if (!supportsRecoveryTimestamp()) {
+        severe() << "WiredTiger is configured to not support providing a recovery timestamp";
+        fassertFailed(50745);
+    }
+
+    if (_recoveryTimestamp.isNull()) {
         return boost::none;
+    }
+
     return _recoveryTimestamp;
 }
 
 boost::optional<Timestamp> WiredTigerKVEngine::getLastStableRecoveryTimestamp() const {
+    if (!supportsRecoverToStableTimestamp()) {
+        severe() << "WiredTiger is configured to not support recover to a stable timestamp";
+        fassertFailed(50770);
+    }
+
     if (_ephemeral) {
         Timestamp stable(_stableTimestamp.load());
         Timestamp initialData(_initialDataTimestamp.load());