def append_gene_detailed(main_curr, chunk_db):
    cmd = "attach ? as toMerge"
    main_curr.execute(cmd, (chunk_db, ))

    cmd = "INSERT INTO gene_detailed SELECT * FROM toMerge.gene_detailed"
    main_curr.execute(cmd)

    cmd = "detach toMerge"
    main_curr.execute(cmd)
`dir_corpus` is a convenience function for generating Corpus
dataset/ETHPy150Open arq5x/gemini/gemini/gemini_merge_chunks.py/append_gene_detailed--crossover with--dataset/ETHPy150Open inpho/vsm/vsm/extensions/ldasentences.py/dir_corpus