don't guess column type for missing values (patch from MarkusM, trac https://trac.osgeo.org/grass/ticket/198; merge from devbr6)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@39266 15284696-431f-4ddb-bdfa-cd5b030d7da7

vector/v.in.ascii/main.c

@@ -188,7 +188,7 @@ int main(int argc, char *argv[])
 
     /* specifying zcol= implies that a 3D map is needed */
     if (zcol >= 0 && !zcoorf->answer)
-	zcoorf->answer = 1;
+	zcoorf->answer = TRUE;
 
     if (zcoorf->answer && format == FORMAT_POINT && zcol < 0)
 	G_fatal_error(_("Please specify reasonable z column"));
@@ -294,15 +294,15 @@ int main(int argc, char *argv[])
 	}
 
 	/* Create table */
-	make_table = 0;
+	make_table = FALSE;
 	for (i = 0; i < ncols; i++) {
 	    if (xcol != i && ycol != i && zcol != i && catcol != i) {
-		make_table = 1;
+		make_table = TRUE;
 		break;
 	    }
 	}
 	if (t_flag->answer) {
-	    make_table = 0;
+	    make_table = FALSE;
 	}
 
 	if (make_table) {
@@ -337,7 +337,7 @@ int main(int argc, char *argv[])
 
 		switch (coltype[i]) {
 		case DB_C_TYPE_INT:
-		    G_verbose_message("Column: %d  type: integer", i + 1);
+		    G_message("Column: %d  type: integer", i + 1);
 		    if (!columns_opt->answer) {
 			sprintf(buf, "int_%d integer", n_int + 1);
 			db_append_string(&sql, buf);
@@ -349,7 +349,7 @@ int main(int argc, char *argv[])
 		    n_int++;
 		    break;
 		case DB_C_TYPE_DOUBLE:
-		    G_verbose_message("Column: %d  type: double", i + 1);
+		    G_message("Column: %d  type: double", i + 1);
 		    if (!columns_opt->answer) {
 			sprintf(buf, "dbl_%d double precision", n_double + 1);
 			db_append_string(&sql, buf);
@@ -357,7 +357,7 @@ int main(int argc, char *argv[])
 		    n_double++;
 		    break;
 		case DB_C_TYPE_STRING:
-		    G_verbose_message("Column: %d  type: string length: %d",
+		    G_message("Column: %d  type: string length: %d",
 				      i + 1, collen[i]);
 		    if (!columns_opt->answer) {
 			sprintf(buf, "str_%d varchar(%d)", n_string + 1,

vector/v.in.ascii/points.c

@@ -215,6 +215,11 @@ int points_analyse(FILE * ascii_in, FILE * ascii, char *fs,
 		}
 	    }
 
+	    len = strlen(tokens[i]); 
+	    /* do not guess column type for missing values */ 
+	    if (len == 0) 
+		continue; 
+
 	    G_debug(4, "row %d col %d: '%s' is_int = %d is_double = %d",
 		    row, i, tokens[i], is_int(tokens[i]),
 		    is_double(tokens[i]));
@@ -230,7 +235,6 @@ int points_analyse(FILE * ascii_in, FILE * ascii, char *fs,
 	    }
 	    /* string */
 	    coltype[i] = DB_C_TYPE_STRING;
-	    len = strlen(tokens[i]);
 	    if (len > collen[i])
 		collen[i] = len;
 	}