def getkeys(table):
    """
    customize by commenting out unwanted keys
    """
    keys = []
    if table == 'ER_expedition':
        pass
    if table == 'ER_citations':
        keys.append('er_citation_name')
        keys.append('long_authors')
        keys.append('year')
        keys.append('title')
        keys.append('citation_type')
        keys.append('doi')
        keys.append('journal')
        keys.append('volume')
        keys.append('pages')
        keys.append('book_title')
        keys.append('book_editors')
        keys.append('publisher')
        keys.append('city')
    if table == 'ER_locations':
        keys.append('er_location_name')
        keys.append('er_scientist_mail_names')
        keys.append('location_type')
        keys.append('location_begin_lat')
        keys.append('location_begin_lon')
        keys.append('location_end_lat')
        keys.append('location_end_lon')
        keys.append('continent_ocean')
        keys.append('country')
        keys.append('region')
        keys.append('plate_block')
        keys.append('terrane')
        keys.append('tectonic_setting')
    if table == 'ER_Formations':
        keys.append('er_formation_name')
        keys.append('formation_class')
        keys.append('formation_lithology')
        keys.append('formation_paleo_environment')
        keys.append('formation_thickness')
        keys.append('formation_description')
    if table == 'ER_sections':
        keys.append('er_section_name')
        keys.append('er_section_alternatives')
        keys.append('er_expedition_name')
        keys.append('er_location_name')
        keys.append('er_formation_name')
        keys.append('er_member_name')
        keys.append('section_definition')
        keys.append('section_class')
        keys.append('section_lithology')
        keys.append('section_type')
        keys.append('section_n')
        keys.append('section_begin_lat')
        keys.append('section_begin_lon')
        keys.append('section_begin_elevation')
        keys.append('section_begin_height')
        keys.append('section_begin_drill_depth')
        keys.append('section_begin_composite_depth')
        keys.append('section_end_lat')
        keys.append('section_end_lon')
        keys.append('section_end_elevation')
        keys.append('section_end_height')
        keys.append('section_end_drill_depth')
        keys.append('section_end_composite_depth')
        keys.append('section_azimuth')
        keys.append('section_dip')
        keys.append('section_description')
        keys.append('er_scientist_mail_names')
        keys.append('er_citation_names')
    if table == 'ER_sites':
        keys.append('er_location_name')
        keys.append('er_site_name')
        keys.append('er_scientist_mail_names')
        keys.append('site_class')
        keys.append('site_lat')
        keys.append('site_lon')
    if table == 'ER_samples':
        keys.append('er_location_name')
        keys.append('er_site_name')
        keys.append('sample_azimuth')
        keys.append('sample_dip')
        keys.append('sample_bed_dip')
        keys.append('sample_bed_dip_direction')
        keys.append('magic_method_codes')
    if table == 'ER_ages':
        keys.append('age')
        keys.append('age_sigma')
        keys.append('age_unit')
        keys.append('age_range_low')
        keys.append('age_range_hi')
        keys.append('timescale_eon')
        keys.append('timescale_era')
        keys.append('timescale_period')
        keys.append('timescale_epoch')
        keys.append('timescale_stage')
        keys.append('biostrat_zone')
        keys.append('conodont_zone')
        keys.append('magnetic_reversal_chron')
        keys.append('astronomical_stage')
    if table == 'MAGIC_measurements':
        keys.append('er_location_name')
        keys.append('er_site_name')
        keys.append('er_sample_name')
        keys.append('er_specimen_name')
        keys.append('measurement_positions')
        keys.append('treatment_temp')
        keys.append('treatment_ac_field')
        keys.append('treatment_dc_field')
        keys.append('treatment_dc_field_phi')
        keys.append('treatment_dc_field_theta')
        keys.append('magic_experiment_name')
        keys.append('magic_instrument_codes')
        keys.append('measurement_temp')
        keys.append('magic_method_codes')
        keys.append('measurement_inc')
        keys.append('measurement_dec')
        keys.append('measurement_magn_moment')
        keys.append('measurement_csd')
    return keys
