psql: show proper row count in \x mode for zero-column output

Also, fix pager enable selection for such cases, and other cleanups for
zero-column output.

Report by Thom Brown
This commit is contained in:
Bruce Momjian 2015-03-24 21:04:10 -04:00
parent 66c8040d50
commit 376a0c4547

View File

@ -692,7 +692,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
if (opt_border == 0)
width_total = col_count;
else if (opt_border == 1)
width_total = col_count * 3 - 1;
width_total = col_count * 3 - ((col_count > 0) ? 1 : 0);
else
width_total = col_count * 3 + 1;
total_header_width = width_total;
@ -928,7 +928,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
fputs(!header_done[i] ? format->header_nl_right : " ",
fout);
if (opt_border != 0 && i < col_count - 1)
if (opt_border != 0 && col_count > 0 && i < col_count - 1)
fputs(dformat->midvrule, fout);
}
curr_nl_line++;
@ -983,7 +983,8 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
struct lineptr *this_line = &col_lineptrs[j][curr_nl_line[j]];
int bytes_to_output;
int chars_to_output = width_wrap[j];
bool finalspaces = (opt_border == 2 || j < col_count - 1);
bool finalspaces = (opt_border == 2 ||
(col_count > 0 && j < col_count - 1));
/* Print left-hand wrap or newline mark */
if (opt_border != 0)
@ -1077,11 +1078,11 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
fputs(format->wrap_right, fout);
else if (wrap[j] == PRINT_LINE_WRAP_NEWLINE)
fputs(format->nl_right, fout);
else if (opt_border == 2 || j < col_count - 1)
else if (opt_border == 2 || (col_count > 0 && j < col_count - 1))
fputc(' ', fout);
/* Print column divider, if not the last column */
if (opt_border != 0 && j < col_count - 1)
if (opt_border != 0 && (col_count > 0 && j < col_count - 1))
{
if (wrap[j + 1] == PRINT_LINE_WRAP_WRAP)
fputs(format->midvrule_wrap, fout);
@ -1236,8 +1237,18 @@ print_aligned_vertical(const printTableContent *cont, FILE *fout)
if (cont->cells[0] == NULL && cont->opt->start_table &&
cont->opt->stop_table)
{
if (!opt_tuples_only && cont->opt->default_footer)
fprintf(fout, _("(No rows)\n"));
printTableFooter *footers = footers_with_default(cont);
if (!opt_tuples_only && !cancel_pressed && footers)
{
printTableFooter *f;
for (f = footers; f; f = f->next)
fprintf(fout, "%s\n", f->data);
}
fputc('\n', fout);
return;
}