Function dpiStmt_getRowCounts 

pub unsafe extern "C" fn dpiStmt_getRowCounts(
    stmt: *mut dpiStmt,
    numRowCounts: *mut u32,
    rowCounts: *mut *mut u64,
) -> c_int

Returns an array of row counts affected by the last invocation of dpiStmt_executeMany() with the array DML rowcounts mode enabled. This feature is only available if both client and server are at 12.1.

The function returns DPI_SUCCESS for success and DPI_FAILURE for failure.