Fixed wrong initializations of Dynamic_array

Other things:
- Added size() function to Dynamic_array()

sql/item_subselect.cc

@@ -3022,7 +3022,7 @@ bool Item_exists_subselect::exists2in_processor(void *opt_arg)
   Query_arena *arena= NULL, backup;
   int res= FALSE;
   List<Item> outer;
-  Dynamic_array<EQ_FIELD_OUTER> eqs(5, 5);
+  Dynamic_array<EQ_FIELD_OUTER> eqs(PSI_INSTRUMENT_MEM, 5, 5);
   bool will_be_correlated;
   DBUG_ENTER("Item_exists_subselect::exists2in_processor");
 

sql/opt_range.cc

@@ -8027,7 +8027,7 @@ SEL_TREE *Item_func_in::get_func_row_mm_tree(RANGE_OPT_PARAM *param,
   table_map param_comp= ~(param->prev_tables | param->read_tables |
                           param->current_table);
   uint row_cols= key_row->cols();
-  Dynamic_array <Key_col_info> key_cols_info(row_cols);
+  Dynamic_array <Key_col_info> key_cols_info(PSI_INSTRUMENT_MEM,row_cols);
   cmp_item_row *row_cmp_item;
 
   if (array)

sql/rowid_filter.h

@@ -311,7 +311,8 @@ class Refpos_container_sorted_array : public Sql_alloc
 
   bool alloc()
   {
-    array= new Dynamic_array<char> (elem_size * max_elements,
+    array= new Dynamic_array<char> (PSI_INSTRUMENT_MEM,
+                                    elem_size * max_elements,
                                     elem_size * max_elements/sizeof(char) + 1);
     return array == NULL;
   }

sql/rpl_rli.cc

@@ -1710,7 +1710,8 @@ scan_all_gtid_slave_pos_table(THD *thd, int (*cb)(THD *, LEX_CSTRING *, void *),
   else
   {
     size_t i;
-    Dynamic_array<LEX_CSTRING*> files(dirp->number_of_files);
+    Dynamic_array<LEX_CSTRING*> files(PSI_INSTRUMENT_MEM,
+                                      dirp->number_of_files);
     Discovered_table_list tl(thd, &files);
     int err;
 

sql/sql_acl.cc

@@ -655,7 +655,7 @@ bool ROLE_GRANT_PAIR::init(MEM_ROOT *mem, const char *username,
 #define ROLE_OPENED             (1L << 3)
 
 static DYNAMIC_ARRAY acl_hosts, acl_users, acl_proxy_users;
-static Dynamic_array<ACL_DB> acl_dbs(PSI_INSTRUMENT_MEM, 0U, 50U);
+static Dynamic_array<ACL_DB> acl_dbs(PSI_INSTRUMENT_MEM, 0, 50);
 typedef Dynamic_array<ACL_DB>::CMP_FUNC acl_dbs_cmp;
 static HASH acl_roles;
 /*
@@ -2786,7 +2786,7 @@ void acl_free(bool end)
 bool acl_reload(THD *thd)
 {
   DYNAMIC_ARRAY old_acl_hosts, old_acl_users, old_acl_proxy_users;
-  Dynamic_array<ACL_DB> old_acl_dbs(0U,0U);
+  Dynamic_array<ACL_DB> old_acl_dbs(PSI_INSTRUMENT_MEM, 0, 0);
   HASH old_acl_roles, old_acl_roles_mappings;
   MEM_ROOT old_mem;
   int result;
@@ -6170,8 +6170,8 @@ static int traverse_role_graph_impl(ACL_USER_BASE *user, void *context,
      It uses a Dynamic_array to reduce the number of
      malloc calls to a minimum
   */
-  Dynamic_array<NODE_STATE> stack(20,50);
-  Dynamic_array<ACL_USER_BASE *> to_clear(20,50);
+  Dynamic_array<NODE_STATE> stack(PSI_INSTRUMENT_MEM, 20,50);
+  Dynamic_array<ACL_USER_BASE *> to_clear(PSI_INSTRUMENT_MEM, 20, 50);
   NODE_STATE state;     /* variable used to insert elements in the stack */
   int result= 0;
 

sql/sql_array.h

@@ -170,6 +170,8 @@ template <class Elem> class Dynamic_array
     return ((const Elem*)array.buffer) + array.elements - 1;
   }
 
+  size_t size() const { return array.elements; }
+
   const Elem *end() const
   {
     return back() + 1;

sql/sql_db.cc

@@ -1228,7 +1228,7 @@ static bool find_db_tables_and_rm_known_files(THD *thd, MY_DIR *dirp,
   DBUG_PRINT("enter",("path: %s", path));
 
   /* first, get the list of tables */
-  Dynamic_array<LEX_CSTRING*> files(dirp->number_of_files);
+  Dynamic_array<LEX_CSTRING*> files(PSI_INSTRUMENT_MEM, dirp->number_of_files);
   Discovered_table_list tl(thd, &files);
   if (ha_discover_table_names(thd, &db, dirp, &tl, true))
     DBUG_RETURN(1);