This method causes the database engine to attempt to free
count bytes of heap
memory by deallocating non-essential memory allocations held by the database library.
||The single argument is:
||The number of bytes the database engine should try to release.
||Returns the number of bytes actually released, which may be mor or less than requested.
||Memory used to cache database pages to improve performance is an example of non-essential memory.
This method would be a no-op returning zero if SQLite was not compiled with the SQLITE_ENABLE_MEMORY_MANAGEMENT
compile-time option. However, ooSQLite does use that option when it is built, so this method is not a no-op.
||The functionality of thereleaseMemorymethod is similar to that of the SQLite