<div dir="ltr"><div dir="ltr">Dear Grass community,<div><br></div><div>I don't have any success with removal of columns from a vector file I am working with, while adding columns has not been a problem.</div><div><br></div><div>output:</div><div><div>v.db.dropcolumn map=nvTrainingset_test2019_clean@LUP1 columns=code              </div><div>ERROR: Error while executing: 'CREATE TEMPORARY TABLE nvTrainingset_test2019_clean_backup(cat INTEGER, compact_circle DOUBLE PRECISION, DV2_mean DOUBLE PRECISION, DV2_stddev DOUBLE PRECISION, DV2_variance DOUBLE PRECISION, DV2_coeff_var DOUBLE PRECISION, DV2_first_quart DOUBLE PRECISION, DV2_median DOUBLE PRECISION, DV2_third_quart DOUBLE PRECISION, DV2_perc_90 DOUBLE PRECISION, DV4_mean DOUBLE PRECISION, DV4_stddev DOUBLE PRECISION, DV4_variance DOUBLE PRECISION, DV4_coeff_var DOUBLE PRECISION, DV4_first_quart DOUBLE PRECISION, DV4_median DOUBLE PRECISION, DV4_third_quart DOUBLE PRECISION, DV4_perc_90 DOUBLE PRECISION, IDM2_mean DOUBLE PRECISION, IDM2_stddev DOUBLE PRECISION, IDM2_variance DOUBLE PRECISION, IDM2_coeff_var DOUBLE PRECISION, IDM2_first_quart DOUBLE PRECISION, IDM2_median DOUBLE PRECISION, IDM2_third_quart DOUBLE PRECISION, IDM2_perc_90 DOUBLE PRECISION, IDM4_mean DOUBLE PRECISION, IDM4_stddev DOUBLE PRECISION, IDM4_variance DOUBLE PRECISION, IDM4_coeff_var DOUBLE PRECISION, IDM4_first_quart DOUBLE PRECISION, IDM4_median DOUBLE PRECISION, IDM4_third_quart DOUBLE PRECISION, IDM4_perc_90 DOUBLE PRECISION, W2_mean DOUBLE PRECISION, W2_stddev DOUBLE PRECISION, W2_variance DOUBLE PRECISION, W2_coeff_var DOUBLE PRECISION, W2_first_quart DOUBLE PRECISION, W2_median DOUBLE PRECISION, W2_third_quart DOUBLE PRECISION, W2_perc_90 DOUBLE PRECISION, W4_mean DOUBLE PRECISION, W4_stddev DOUBLE PRECISION, W4_variance DOUBLE PRECISION, W4_coeff_var DOUBLE PRECISION, W4_first_quart DOUBLE PRECISION, W4_median DOUBLE PRECISION, W4_third_quart DOUBLE PRECISION, W4_perc_90 DOUBLE PRECISION, neighbors_count DOUBLE PRECISION, compact_circle_nbrmean DOUBLE PRECISION, compact_circle_nbrstddev DOUBLE PRECISION, DV2_mean_nbrmean DOUBLE PRECISION, DV2_mean_nbrstddev DOUBLE PRECISION, DV2_stddev_nbrmean DOUBLE PRECISION, DV2_stddev_nbrstddev DOUBLE PRECISION, DV2_variance_nbrmean DOUBLE PRECISION, DV2_variance_nbrstddev DOUBLE PRECISION, DV2_coeff_var_nbrmean DOUBLE PRECISION, DV2_coeff_var_nbrstddev DOUBLE PRECISION, DV2_first_quart_nbrmean DOUBLE PRECISION, DV2_first_quart_nbrstddev DOUBLE PRECISION, DV2_median_nbrmean DOUBLE PRECISION, DV2_median_nbrstddev DOUBLE PRECISION, DV2_third_quart_nbrmean DOUBLE PRECISION, DV2_third_quart_nbrstddev DOUBLE PRECISION, DV2_perc_90_nbrmean DOUBLE PRECISION, DV2_perc_90_nbrstddev DOUBLE PRECISION, DV4_mean_nbrmean DOUBLE PRECISION, DV4_mean_nbrstddev DOUBLE PRECISION, DV4_stddev_nbrmean DOUBLE PRECISION, DV4_stddev_nbrstddev DOUBLE PRECISION, DV4_variance_nbrmean DOUBLE PRECISION, DV4_variance_nbrstddev DOUBLE PRECISION, DV4_coeff_var_nbrmean DOUBLE PRECISION, DV4_coeff_var_nbrstddev DOUBLE PRECISION, DV4_first_quart_nbrmean DOUBLE PRECISION, DV4_first_quart_nbrstddev DOUBLE PRECISION, DV4_median_nbrmean DOUBLE PRECISION, DV4_median_nbrstddev DOUBLE PRECISION, DV4_third_quart_nbrmean DOUBLE PRECISION, DV4_third_quart_nbrstddev DOUBLE PRECISION, DV4_perc_90_nbrmean DOUBLE PRECISION, DV4_perc_90_nbrstddev DOUBLE PRECISION, IDM2_mean_nbrmean DOUBLE PRECISION, IDM2_mean_nbrstddev DOUBLE PRECISION, IDM2_stddev_nbrmean DOUBLE PRECISION, IDM2_stddev_nbrstddev DOUBLE PRECISION, IDM2_variance_nbrmean DOUBLE PRECISION, IDM2_variance_nbrstddev DOUBLE PRECISION, IDM2_coeff_var_nbrmean DOUBLE PRECISION, IDM2_coeff_var_nbrstddev DOUBLE PRECISION, IDM2_first_quart_nbrmean DOUBLE PRECISION, IDM2_first_quart_nbrstddev DOUBLE PRECISION, IDM2_median_nbrmean DOUBLE PRECISION, IDM2_median_nbrstddev DOUBLE PRECISION, IDM2_third_quart_nbrmean DOUBLE PRECISION, IDM2_third_quart_nbrstddev DOUBLE PRECISION, IDM2_perc_90_nbrmean DOUBLE PRECISION, IDM2_perc_90_nbrstddev DOUBLE PRECISION, IDM4_mean_nbrmean DOUBLE PRECISION, IDM4_mean_nbrstddev DOUBLE PRECISION, IDM4_stddev_nbrmean DOUBLE PRECISION, IDM4_stddev_nbrstddev DOUBLE PRECISION, IDM4_variance_nbrmean DOUBLE PRECISION, IDM4_variance_nbrstddev DOUBLE PRECISION, IDM4_coeff_var_nbrmean DOUBLE PRECISION, IDM4_coeff_var_nbrstddev DOUBLE PRECISION, IDM4_first_quart_nbrmean DOUBLE PRECISION, IDM4_first_quart_nbrstddev DOUBLE PRECISION, IDM4_median_n</div><div>brmean DOUBLE PRECISION, IDM4_median_nbrstddev DOUBLE'</div><div>ERROR: Deleting column failed</div></div><div><br></div><div>Any suggestions?</div><div><br></div></div></div>