.. _dpiSubscrMessageQuery:
ODPI-C Structure dpiSubscrMessageQuery
--------------------------------------
This structure is used for passing information on query change notification
events and is part of the :ref:`dpiSubscrMessage<dpiSubscrMessage>` structure.
.. member:: uint64_t dpiSubscrMessageQuery.id
Specifies the id of the query that was registered as part of the
subscription that generated this notification.
.. member:: dpiOpCode dpiSubscrMessageQuery.operation
Specifies the operations that took place on the registered query. It will
be one or more of the values from the enumeration
:ref:`dpiOpCode<dpiOpCode>`, OR'ed together.
.. member:: dpiSubscrMessageTable* dpiSubscrMessageQuery.tables
Specifies a pointer to an array of
:ref:`dpiSubscrMessageTable<dpiSubscrMessageTable>` structures representing
the list of tables that were modified by the event which generated this
notification.
.. member:: uint32_t dpiSubscrMessageQuery.numTables
Specifies the number of structures available in the
:member:`dpiSubscrMessageQuery.tables` member.