Commit 9917ce26 authored by unknown's avatar unknown

Bug #29687 mysql_stmt_store_result memory leak in libmysqld

In embedded server we use result->alloc to store field data for the
result, but we didn't clean the result->alloc if the query returned
an empty recordset. Cleaning for the empty recordset enabled


libmysql/libmysql.c:
  Bug #29687 mysql_stmt_store_result memory leak in libmysqld
  
  we should clean result->alloc even if we have nothin in 'data' field
parent 85603b2e
...@@ -4945,7 +4945,7 @@ static my_bool reset_stmt_handle(MYSQL_STMT *stmt, uint flags) ...@@ -4945,7 +4945,7 @@ static my_bool reset_stmt_handle(MYSQL_STMT *stmt, uint flags)
Reset stored result set if so was requested or it's a part Reset stored result set if so was requested or it's a part
of cursor fetch. of cursor fetch.
*/ */
if (result->data && (flags & RESET_STORE_RESULT)) if (flags & RESET_STORE_RESULT)
{ {
/* Result buffered */ /* Result buffered */
free_root(&result->alloc, MYF(MY_KEEP_PREALLOC)); free_root(&result->alloc, MYF(MY_KEEP_PREALLOC));
......
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