psql-wrap-formatting.patch
text/x-diff
Filename: psql-wrap-formatting.patch
Type: text/x-diff
Part: 0
Patch
Format: unified
| File | + | − |
|---|---|---|
| doc/src/sgml/ref/psql-ref.sgml | 27 | 5 |
| src/bin/psql/command.c | 3 | 1 |
| src/bin/psql/print.c | 107 | 49 |
| src/bin/psql/print.h | 18 | 1 |
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml
index 7f03802..4600303 100644
--- a/doc/src/sgml/ref/psql-ref.sgml
+++ b/doc/src/sgml/ref/psql-ref.sgml
@@ -1765,18 +1765,40 @@ lo_import 152801
<listitem>
<para>
Sets the border line drawing style to one
- of <literal>ascii</literal> or <literal>unicode</literal>.
- Unique abbreviations are allowed. (That would mean one
- letter is enough.)
+ of <literal>ascii</literal>, <literal>ascii-old</literal>
+ or <literal>unicode</literal>. Unique abbreviations are
+ allowed. (That would mean one letter is enough.)
</para>
<para>
- <quote>ASCII</quote> uses plain <acronym>ASCII</acronym> characters.
+ <quote>ASCII</quote> uses plain <acronym>ASCII</acronym>
+ characters. Newlines in data are shown using
+ a <literal>+</literal> symbol in the right-hand margin.
+ Wrapped data uses a <literal>.</literal> symbol in the
+ right-hand margin of a wrapped line, and in the left-hand
+ margin of the following continuation line.
</para>
<para>
+ <quote>ASCII-old</quote> uses plain <acronym>ASCII</acronym>
+ characters, using the formatting style used
+ for <productname>PostgreSQL</productname> 8.4 and earlier.
+ Newlines in data are shown using a <literal>:</literal>
+ symbol in place of the left-hand column separator, while
+ wrapped data uses a <literal>;</literal> symbol. Newlines
+ in column headings are indicated by a <literal>+</literal>
+ symbol in the left-hand margin of additional lines.
+ </para>
+
+ <para>
<quote>Unicode</quote> uses Unicode box-drawing characters.
- </para>
+ Newlines in data are shown using a carriage return symbol
+ (<literal>↵</literal>) in the right-hand margin.
+ Wrapped data uses an ellipsis symbol
+ (<literal>…</literal>) in the right-hand margin of a
+ wrapped line, and in the left-hand margin of the following
+ continuation line.
+ </para>
<para>
When the selected output format is one that draws lines or boxes
diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 190a8d3..544a677 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -1795,11 +1795,13 @@ do_pset(const char *param, const char *value, printQueryOpt *popt, bool quiet)
;
else if (pg_strncasecmp("ascii", value, vallen) == 0)
popt->topt.line_style = &pg_asciiformat;
+ else if (pg_strncasecmp("ascii-old", value, vallen) == 0)
+ popt->topt.line_style = &pg_asciiformat_old;
else if (pg_strncasecmp("unicode", value, vallen) == 0)
popt->topt.line_style = &pg_utf8format;
else
{
- psql_error("\\pset: allowed line styles are ascii, unicode\n");
+ psql_error("\\pset: allowed line styles are ascii, ascii-old, unicode\n");
return false;
}
diff --git a/src/bin/psql/print.c b/src/bin/psql/print.c
index 026e043..e8db912 100644
--- a/src/bin/psql/print.c
+++ b/src/bin/psql/print.c
@@ -45,9 +45,9 @@ static char *grouping;
static char *thousands_sep;
/* Line style control structures */
-const printTextFormat pg_asciiformat =
+const printTextFormat pg_asciiformat_old =
{
- "ascii",
+ "ascii-old",
{
{ "-", "+", "+", "+" },
{ "-", "+", "+", "+" },
@@ -56,7 +56,36 @@ const printTextFormat pg_asciiformat =
},
":",
";",
- " "
+ " ",
+ "+",
+ " ",
+ " ",
+ " ",
+ " ",
+ " ",
+ false
+};
+
+/* Line style control structures */
+const printTextFormat pg_asciiformat =
+{
+ "ascii",
+ {
+ { "-", "+", "+", "+" },
+ { "-", "+", "+", "+" },
+ { "-", "+", "+", "+" },
+ { "", "|", "|", "|" }
+ },
+ "|",
+ "|",
+ "|",
+ " ",
+ "+",
+ " ",
+ "+",
+ ".",
+ ".",
+ false
};
const printTextFormat pg_utf8format =
@@ -72,12 +101,23 @@ const printTextFormat pg_utf8format =
/* N/A, │, │, │ */
{ "", "\342\224\202", "\342\224\202", "\342\224\202" }
},
- /* ╎ */
- "\342\225\216",
- /* ┊ */
- "\342\224\212",
- /* ╷ */
- "\342\225\267"
+ /* │ */
+ "\342\224\202",
+ /* │ */
+ "\342\224\202",
+ /* │ */
+ "\342\224\202",
+ " ",
+ /* ↵ */
+ "\342\206\265",
+ " ",
+ /* ↵ */
+ "\342\206\265",
+ /* … */
+ "\342\200\246",
+ /* … */
+ "\342\200\246",
+ true
};
@@ -479,6 +519,8 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
int output_columns = 0; /* Width of interactive console */
bool is_pager = false;
+ printTextLineWrap *wrap;
+
if (cancel_pressed)
return;
@@ -499,6 +541,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
format_buf = pg_local_calloc(col_count, sizeof(*format_buf));
header_done = pg_local_calloc(col_count, sizeof(*header_done));
bytes_output = pg_local_calloc(col_count, sizeof(*bytes_output));
+ wrap = pg_local_calloc(col_count, sizeof(*wrap));
}
else
{
@@ -513,6 +556,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
format_buf = NULL;
header_done = NULL;
bytes_output = NULL;
+ wrap = NULL;
}
/* scan all column headers, find maximum width and max max_nl_lines */
@@ -575,7 +619,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
/* adjust the total display width based on border style */
if (opt_border == 0)
- width_total = col_count - 1;
+ width_total = col_count;
else if (opt_border == 1)
width_total = col_count * 3 - 1;
else
@@ -770,16 +814,16 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
while (more_col_wrapping)
{
if (opt_border == 2)
- fprintf(fout, "%s%c", dformat->leftvrule,
- curr_nl_line ? '+' : ' ');
- else if (opt_border == 1)
- fputc(curr_nl_line ? '+' : ' ', fout);
+ fputs(dformat->leftvrule, fout);
for (i = 0; i < cont->ncolumns; i++)
{
struct lineptr *this_line = col_lineptrs[i] + curr_nl_line;
unsigned int nbspace;
+ if (opt_border != 0 || (format->cont_right_border == false && i > 0))
+ fputs(curr_nl_line ? format->header_cont_left : " ", fout);
+
if (!header_done[i])
{
nbspace = width_wrap[i] - this_line->width;
@@ -796,21 +840,17 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
}
else
fprintf(fout, "%*s", width_wrap[i], "");
- if (i < col_count - 1)
- {
- if (opt_border == 0)
- fputc(curr_nl_line ? '+' : ' ', fout);
- else
- fprintf(fout, " %s%c", dformat->midvrule,
- curr_nl_line ? '+' : ' ');
- }
+
+ if (opt_border != 0 || format->cont_right_border == true)
+ fputs(!header_done[i] ? format->header_cont_right : " ", fout);
+
+ if (opt_border != 0 && i < col_count - 1)
+ fputs(dformat->midvrule, fout);
}
curr_nl_line++;
if (opt_border == 2)
- fprintf(fout, " %s", dformat->rightvrule);
- else if (opt_border == 1)
- fputc(' ', fout);
+ fputs(dformat->rightvrule, fout);
fputc('\n', fout);
}
@@ -861,19 +901,28 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
/* left border */
if (opt_border == 2)
- fprintf(fout, "%s ", dformat->leftvrule);
- else if (opt_border == 1)
- fputc(' ', fout);
+ fputs(dformat->leftvrule, fout);
/* for each column */
for (j = 0; j < col_count; j++)
{
/* We have a valid array element, so index it */
struct lineptr *this_line = &col_lineptrs[j][curr_nl_line[j]];
- int bytes_to_output;
- int chars_to_output = width_wrap[j];
+ int bytes_to_output;
+ int chars_to_output = width_wrap[j];
bool finalspaces = (opt_border == 2 || j < col_count - 1);
+ /* Print left-hand wrap or newline mark */
+ if (opt_border != 0)
+ {
+ if (wrap[j] == PRINT_LINE_WRAP_WRAP)
+ fputs(format->wrap_left, fout);
+ else if (wrap[j] == PRINT_LINE_WRAP_CONT)
+ fputs(format->cont_left, fout);
+ else
+ fputc(' ', fout);
+ }
+
if (!this_line->ptr)
{
/* Past newline lines so just pad for other columns */
@@ -908,7 +957,7 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
/* spaces second */
fprintf(fout, "%.*s", bytes_to_output,
this_line->ptr + bytes_output[j]);
- if (finalspaces)
+ if (finalspaces || col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
fprintf(fout, "%*s", width_wrap[j] - chars_to_output, "");
}
@@ -927,29 +976,40 @@ print_aligned_text(const printTableContent *cont, FILE *fout)
}
}
- /* print a divider, if not the last column */
- if (j < col_count - 1)
+ /* Determine if next line for this column is wrapped or a newline */
+ wrap[j] = PRINT_LINE_WRAP_NONE;
+ if (col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
{
- if (opt_border == 0)
- fputc(' ', fout);
- /* Next value is beyond past newlines? */
+ if (bytes_output[j] != 0)
+ wrap[j] = PRINT_LINE_WRAP_WRAP;
+ else if (curr_nl_line[j] != 0)
+ wrap[j] = PRINT_LINE_WRAP_CONT;
+ }
+
+ /* Print right-hand wrap or newline mark */
+ if (wrap[j] == PRINT_LINE_WRAP_WRAP)
+ fputs(format->wrap_right, fout);
+ else if (wrap[j] == PRINT_LINE_WRAP_CONT)
+ fputs(format->cont_right, fout);
+ else if (!(opt_border == 0 && j == col_count - 1))
+ fputc(' ', fout);
+
+ if (opt_border != 0 && j < col_count - 1)
+ {
+ if (wrap[j+1] == PRINT_LINE_WRAP_WRAP)
+ fputs(format->midvrule_wrap, fout);
+ else if (wrap[j+1] == PRINT_LINE_WRAP_CONT)
+ fputs(format->midvrule_cont, fout);
else if (col_lineptrs[j + 1][curr_nl_line[j + 1]].ptr == NULL)
- fprintf(fout, " %s ", format->midvrule_blank);
- /* In wrapping of value? */
- else if (bytes_output[j + 1] != 0)
- fprintf(fout, " %s ", format->midvrule_wrap);
- /* After first newline value */
- else if (curr_nl_line[j + 1] != 0)
- fprintf(fout, " %s ", format->midvrule_cont);
- /* Ordinary line */
+ fputs(format->midvrule_blank, fout);
else
- fprintf(fout, " %s ", dformat->midvrule);
+ fputs(dformat->midvrule, fout);
}
}
/* end-of-row border */
if (opt_border == 2)
- fprintf(fout, " %s", dformat->rightvrule);
+ fputs(dformat->rightvrule, fout);
fputc('\n', fout);
} while (more_lines);
@@ -1196,9 +1256,7 @@ print_aligned_vertical(const printTableContent *cont, FILE *fout)
fprintf(fout, "%*s", hwidth, "");
if (opt_border > 0)
- fprintf(fout, " %s ",
- (line_count == 0) ?
- format->midvrule_cont : dformat->midvrule);
+ fprintf(fout, " %s ", dformat->midvrule);
else
fputc(' ', fout);
diff --git a/src/bin/psql/print.h b/src/bin/psql/print.h
index 056aaa6..4aafd61 100644
--- a/src/bin/psql/print.h
+++ b/src/bin/psql/print.h
@@ -41,14 +41,30 @@ typedef enum printTextRule
PRINT_RULE_DATA /* data line (hrule is unused here) */
} printTextRule;
+typedef enum printTextLineWrap
+{
+ /* Types of line continuation and wrapping */
+ PRINT_LINE_WRAP_NONE = 0, /* No wrapping */
+ PRINT_LINE_WRAP_WRAP = 1, /* Line is wrapped */
+ PRINT_LINE_WRAP_CONT = 2, /* Continuation after newline */
+ PRINT_LINE_WRAP_BLANK = 3 /* Blank line after end of data */
+} printTextLineWrap;
+
typedef struct printTextFormat
{
/* A complete line style */
- const char *name; /* for display purposes */
+ const char *name; /* for display purposes */
printTextLineFormat lrule[4]; /* indexed by enum printTextRule */
const char *midvrule_cont; /* vertical line for continue after newline */
const char *midvrule_wrap; /* vertical line for wrapped data */
const char *midvrule_blank; /* vertical line for blank data */
+ const char *header_cont_left; /* continue after newline */
+ const char *header_cont_right; /* continue after newline */
+ const char *cont_left; /* continue after newline */
+ const char *cont_right; /* continue after newline */
+ const char *wrap_left; /* wrapped data */
+ const char *wrap_right; /* wrapped data */
+ bool cont_right_border; /* use right-hand border for continuation marks when border=0 */
} printTextFormat;
typedef struct printTableOpt
@@ -124,6 +140,7 @@ typedef struct printQueryOpt
} printQueryOpt;
+extern const printTextFormat pg_asciiformat_old;
extern const printTextFormat pg_asciiformat;
extern const printTextFormat pg_utf8format;