Propagate per-instance sizes to inner trees.

zopefoundation · Mar 13, 2014 · 2652a90 · 2652a90
1 parent 7cc49df
commit 2652a90
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/BTrees/BTreeTemplate.c b/BTrees/BTreeTemplate.c
@@ -425,9 +425,15 @@ BTree_grow(BTree *self, int index, int noval)
 
         /* Now split between the original (v) and the new (e) at the midpoint*/
         if (SameType_Check(self, v))
+        {
+            ((BTree *)e)->max_btree_size = ((BTree *)v)->max_btree_size;
+            ((BTree *)e)->max_bucket_size = ((BTree *)v)->max_bucket_size;
             i = BTree_split((BTree *)v, -1, (BTree *)e);
+        }
         else
+        {
             i = bucket_split((Bucket *)v, -1, (Bucket *)e);
+        }
         PER_ALLOW_DEACTIVATION(v);
 
         if (i < 0)

diff --git a/BTrees/_base.py b/BTrees/_base.py
@@ -910,8 +910,9 @@ def _split(self, index=None):
         if index is None:
             index = len(data) // 2
 
-        next = self.__class__()
-        next._data = data[index:]
+        next = self.__class__(max_btree_size=self._max_btree_size,
+                              max_bucket_size=self._max_bucket_size)
+        next._data[:] = data[index:]
         first = data[index]
         del data[index:]
         if len(data) == 0: