not udating

Hi

with mariadb 10.0.19 and oqgraph, the updating of the view stops after some time. Need to restart mariadb to get it working again.

-------------------------+---------------------------------+
| Variable_name | Value |
+-------------------------+---------------------------------+
| innodb_version | 5.6.23-72.1 |
| protocol_version | 10 |
| slave_type_conversions | |
| version | 10.0.19-MariaDB-1~trusty-log |
| version_comment | mariadb.org binary distribution |
| version_compile_machine | x86_64 |
| version_compile_os | debian-linux-gnu |
| version_malloc_library | bundled jemalloc