#4018 set modify time to create time when creating a fractal tree refs[t:4018]

git-svn-id: file:///svn/toku/tokudb@35682 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt.c

@@ -4193,7 +4193,6 @@ brt_init_header (BRT t, TOKUTXN txn) {
 static int 
 brt_alloc_init_header(BRT t, TOKUTXN txn) {
     int r;
-    uint64_t now = (uint64_t) time(NULL);
 
     r = brtheader_alloc(&t->h);
     if (r != 0) {
@@ -4209,8 +4208,9 @@ brt_alloc_init_header(BRT t, TOKUTXN txn) {
     t->h->build_id = BUILD_ID;
     t->h->build_id_original = BUILD_ID;
 
+    uint64_t now = (uint64_t) time(NULL);
     t->h->time_of_creation = now;
-    t->h->time_of_last_modification = 0;
+    t->h->time_of_last_modification = now;
 
     memset(&t->h->descriptor, 0, sizeof(t->h->descriptor));
 
@@ -5006,7 +5006,9 @@ toku_brtheader_checkpoint (CACHEFILE cf, int fd, void *header_v)
 	    r = toku_logger_fsync_if_lsn_not_fsynced(logger, ch->checkpoint_lsn);
 	    if (r!=0) goto handle_error;
 	}
-        h->time_of_last_modification = ch->time_of_last_modification = time(NULL); // 4018
+        uint64_t now = (uint64_t) time(NULL); // 4018;
+        h->time_of_last_modification = now;
+        ch->time_of_last_modification = now;
         ch->checkpoint_count++;
         // write translation and header to disk (or at least to OS internal buffer)
         r = toku_serialize_brt_header_to(fd, ch);

newbrt/brtloader.c

@@ -2863,7 +2863,9 @@ write_header (struct dbout *out, long long translation_location_on_disk, long lo
     h.layout_version_original = BRT_LAYOUT_VERSION;
     h.build_id         = BUILD_ID;
     h.build_id_original = BUILD_ID;
-    h.time_of_creation = (uint64_t) time(NULL);
+    uint64_t now = (uint64_t) time(NULL);
+    h.time_of_creation = now;
+    h.time_of_last_modification = now;
     h.checkpoint_count = 1;
     h.checkpoint_lsn   = load_lsn;
     h.nodesize         = target_nodesize;

src/tests/stat64-create-modify-times.c

@@ -37,8 +37,7 @@ test_stat64_create_time (uint64_t n) {
     r = db->stat64(db, txn, &s0); assert(r == 0);
     printf("initial stat create %lu\n", s0.bt_create_time_sec);
     assert(s0.bt_create_time_sec != 0);
-    printf("initial stat modify %lu\n", s0.bt_modify_time_sec);
-    assert(s0.bt_modify_time_sec == 0);
+    assert(s0.bt_modify_time_sec == s0.bt_create_time_sec);
     r = txn->commit(txn, 0);    assert(r == 0);
 
     // stats after create is committed