diff options
Diffstat (limited to 'sql/item_sum.cc')
| -rw-r--r-- | sql/item_sum.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc index e03778be2a3..4051ae461ee 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -3848,11 +3848,15 @@ int copy_to_tree(void* key, element_count count __attribute__((unused)), bool Item_func_group_concat::repack_tree(THD *thd) { struct st_repack_tree st; + int size= tree->size_of_element; + if (!tree->offset_to_key) + size-= sizeof(void*); init_tree(&st.tree, (size_t) MY_MIN(thd->variables.max_heap_table_size, thd->variables.sortbuff_size/16), 0, - tree->size_of_element, group_concat_key_cmp_with_order, NULL, + size, group_concat_key_cmp_with_order, NULL, (void*) this, MYF(MY_THREAD_SPECIFIC)); + DBUG_ASSERT(tree->size_of_element == st.tree.size_of_element); st.table= table; st.len= 0; st.maxlen= (size_t)thd->variables.group_concat_max_len; |