complete taxon table with authorship

[mfrasca]

at the moment we have a database with 28970 taxa, but not all of them have all the complete authorship information: (rank 0: order; 1: family; 2: subfamily; 3: tribe; 4: subtribe; 5: genus)

sqlite> select rank, count(*) from taxon f group by rank;
0|68
1|1388
2|348
3|240
5|26926
sqlite> select rank, count(*) from taxon f where f.authorship is null group by rank ;
1|899
2|59
3|54