Gets schema object associated with this session.
hcerr_t hc_session_get_schema (hc_session_t *session, hc_schema_t **schemap);
This function returns the current schema object associated with this session.
IN: The session object.
OUT: Updated to be the schema associated with the current session. schemap should not be modified by the application and will persist until the next call to hc_session_free, at which time it will be implicitly released.
HCERR_OK HCERR_BAD_REQUEST HCERR_OOM HCERR_NULL_SESSION HCERR_INVALID_SESSION