Recompute the fingerprint for DBC->c_del(). Fixes #154.

git-svn-id: file:///svn/tokudb@1017 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt.c

@@ -2948,7 +2948,7 @@ int toku_brt_cursor_delete(BRT_CURSOR cursor, int flags __attribute__((__unused_
         BRTNODE node = cursor->path[cursor->path_len-1];
         assert(node->height == 0);
         int kvsize;
-        r = toku_pma_cursor_delete_under(cursor->pmacurs, &kvsize);
+        r = toku_pma_cursor_delete_under(cursor->pmacurs, &kvsize, node->rand4fingerprint, &node->local_fingerprint);
         if (r == 0) {
             node->u.l.n_bytes_in_buffer -= PMA_ITEM_OVERHEAD + KEY_VALUE_OVERHEAD + kvsize;
             node->dirty = 1;

newbrt/pma-test.c

@@ -1904,7 +1904,7 @@ static void test_pma_cursor_delete_under() {
     int kvsize;
 
     /* delete under an uninitialized cursor should fail */
-    error = toku_pma_cursor_delete_under(cursor, &kvsize);
+    error = toku_pma_cursor_delete_under(cursor, &kvsize, rand4fingerprint, &expect_fingerprint);
     assert(error == DB_NOTFOUND);
 
     DBT key, val;
@@ -1937,11 +1937,11 @@ static void test_pma_cursor_delete_under() {
         toku_free(val.data);
 
         /* delete under should succeed */
-        error = toku_pma_cursor_delete_under(cursor, &kvsize);
+        error = toku_pma_cursor_delete_under(cursor, &kvsize, rand4fingerprint, &expect_fingerprint);
         assert(error == 0);
 
         /* 2nd delete under should fail */
-        error = toku_pma_cursor_delete_under(cursor, &kvsize);
+        error = toku_pma_cursor_delete_under(cursor, &kvsize, rand4fingerprint, &expect_fingerprint);
         assert(error == DB_NOTFOUND);
     }
     assert(i == n);

newbrt/pma.c

@@ -865,7 +865,7 @@ int toku_pma_cursor_set_range(PMA_CURSOR c, DBT *key) {
     return r;
 }
 
-int toku_pma_cursor_delete_under(PMA_CURSOR c, int *kvsize) {
+int toku_pma_cursor_delete_under(PMA_CURSOR c, int *kvsize, u_int32_t rand4sem, u_int32_t *fingerprint) {
     int r = DB_NOTFOUND;
     if (c->position >= 0) {
         PMA pma = c->pma;
@@ -874,6 +874,7 @@ int toku_pma_cursor_delete_under(PMA_CURSOR c, int *kvsize) {
         if (kv_pair_valid(kv)) {
             if (kvsize) 
                 *kvsize = kv_pair_keylen(kv) + kv_pair_vallen(kv);
+	    *fingerprint -= rand4sem*toku_calccrc32_kvpair (kv_pair_key_const(kv), kv_pair_keylen(kv), kv_pair_val_const(kv), kv_pair_vallen(kv));
             pma->pairs[c->position] = kv_pair_set_deleted(kv);
             r = 0;
         }

newbrt/pma.h

@@ -117,7 +117,7 @@ int toku_pma_cursor_set_key(PMA_CURSOR c, DBT *key);
 int toku_pma_cursor_set_range(PMA_CURSOR c, DBT *key);
 
 /* delete the key value pair under the cursor, return the size of the pair */
-int toku_pma_cursor_delete_under(PMA_CURSOR c, int *kvsize);
+int toku_pma_cursor_delete_under(PMA_CURSOR /*c*/, int */*kvsize*/, u_int32_t /*rand4sem*/, u_int32_t */*fingerprint*/);
 
 int toku_pma_random_pick(PMA, bytevec *key, ITEMLEN *keylen, bytevec *data, ITEMLEN *datalen);