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peterepetere
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oidvectortypes: use SQL type names and separate by commas
psql \df: use format_type and oidvectortypes map type REAL to float4, not float8 psql \dd :work around UNION bug
1 parent f907712 commit b54faa1

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5 files changed

+112
-86
lines changed

5 files changed

+112
-86
lines changed

‎src/backend/parser/gram.y

+5-4
Original file line numberDiff line numberDiff line change
@@ -11,7 +11,7 @@
1111
*
1212
*
1313
* IDENTIFICATION
14-
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.176 2000/07/07 19:24:35 petere Exp $
14+
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.177 2000/07/09 21:30:10 petere Exp $
1515
*
1616
* HISTORY
1717
* AUTHOR DATE MAJOR EVENT
@@ -3944,7 +3944,7 @@ Numeric: FLOAT opt_float
39443944
;
39453945

39463946
numeric: FLOAT { $$ = xlateSqlType("float"); }
3947-
| DOUBLE PRECISION { $$ = xlateSqlType("float"); }
3947+
| DOUBLE PRECISION { $$ = xlateSqlType("float8"); }
39483948
| DECIMAL { $$ = xlateSqlType("decimal"); }
39493949
| DEC { $$ = xlateSqlType("decimal"); }
39503950
| NUMERIC { $$ = xlateSqlType("numeric"); }
@@ -5781,8 +5781,9 @@ xlateSqlType(char *name)
57815781
return "int2";
57825782
else if (strcmp(name, "bigint") == 0)
57835783
return "int8";
5784-
else if ((strcmp(name, "real") == 0)
5785-
|| (strcmp(name, "float") == 0))
5784+
else if (strcmp(name, "real") == 0)
5785+
return "float4";
5786+
else if (strcmp(name, "float") == 0)
57865787
return "float8";
57875788
else if (strcmp(name, "decimal") == 0)
57885789
return "numeric";

‎src/backend/utils/adt/format_type.c

+90-18
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $Header: /cvsroot/pgsql/src/backend/utils/adt/format_type.c,v 1.1 2000/07/07 19:24:37 petere Exp $ */
1+
/* $Header: /cvsroot/pgsql/src/backend/utils/adt/format_type.c,v 1.2 2000/07/09 21:30:12 petere Exp $ */
22

33
#include "postgres.h"
44

@@ -12,6 +12,7 @@
1212

1313
#define streq(a, b) (strcmp((a), (b))==0)
1414
#define MAX_INT32_LEN 11
15+
#define _textin(str) DirectFunctionCall1(textin, CStringGetDatum(str))
1516

1617

1718
static char *
@@ -30,7 +31,9 @@ psnprintf(size_t len, const char * fmt, ...)
3031
}
3132

3233

33-
#define _textin(str) DirectFunctionCall1(textin, CStringGetDatum(str))
34+
static char *
35+
format_type_internal(Oid type_oid, int32 typemod, bool with_typemod);
36+
3437

3538

3639
/*
@@ -51,15 +54,10 @@ psnprintf(size_t len, const char * fmt, ...)
5154
Datum
5255
format_type(PG_FUNCTION_ARGS)
5356
{
54-
Oid type_oid;
55-
bool with_typemod;
56-
int32 typemod = 0;
57-
char * buf;
58-
char * name;
59-
Oid array_base_type;
60-
int16 typlen;
61-
bool is_array;
62-
HeapTuple tuple;
57+
Oid type_oid;
58+
bool with_typemod;
59+
int32 typemod = 0;
60+
char *result;
6361

6462
if (PG_ARGISNULL(0))
6563
PG_RETURN_NULL();
@@ -70,11 +68,31 @@ format_type(PG_FUNCTION_ARGS)
7068
if (with_typemod)
7169
typemod = PG_GETARG_INT32(1);
7270

71+
result = format_type_internal(type_oid, typemod, with_typemod);
72+
73+
PG_RETURN_TEXT_P(_textin(result));
74+
}
75+
76+
77+
78+
static char *
79+
format_type_internal(Oid type_oid, int32 typemod, bool with_typemod)
80+
{
81+
HeapTuple tuple;
82+
Oid array_base_type;
83+
int16 typlen;
84+
bool is_array;
85+
char *name;
86+
char *buf;
87+
88+
if (type_oid == InvalidOid)
89+
return "-";
90+
7391
tuple = SearchSysCacheTuple(TYPEOID, ObjectIdGetDatum(type_oid),
7492
0, 0, 0);
7593

7694
if (!HeapTupleIsValid(tuple))
77-
PG_RETURN_TEXT_P(_textin("???"));
95+
return "???";
7896

7997
array_base_type = ((Form_pg_type) GETSTRUCT(tuple))->typelem;
8098
typlen = ((Form_pg_type) GETSTRUCT(tuple))->typlen;
@@ -84,15 +102,15 @@ format_type(PG_FUNCTION_ARGS)
84102
ObjectIdGetDatum(array_base_type),
85103
0, 0, 0);
86104
if (!HeapTupleIsValid(tuple))
87-
PG_RETURN_TEXT_P(_textin("???[]"));
105+
return "???[]";
88106
is_array = true;
89107
}
90108
else
91109
is_array = false;
92110

93-
94111
name = NameStr(((Form_pg_type) GETSTRUCT(tuple))->typname);
95112

113+
96114
if (streq(name, "bit"))
97115
{
98116
if (with_typemod)
@@ -116,14 +134,13 @@ format_type(PG_FUNCTION_ARGS)
116134
* double-quote it to get at it in the parser. */
117135
else if (streq(name, "char"))
118136
buf = pstrdup("\"char\"");
119-
#if 0
120-
/* The parser has these backwards, so leave as is for now. */
137+
121138
else if (streq(name, "float4"))
122139
buf = pstrdup("real");
123140

124141
else if (streq(name, "float8"))
125142
buf = pstrdup("double precision");
126-
#endif
143+
127144
else if (streq(name, "int2"))
128145
buf = pstrdup("smallint");
129146

@@ -177,5 +194,60 @@ format_type(PG_FUNCTION_ARGS)
177194
buf = buf2;
178195
}
179196

180-
PG_RETURN_TEXT_P(_textin(buf));
197+
return buf;
198+
}
199+
200+
201+
202+
/*
203+
* oidvectortypes - converts a vector of type OIDs to "typname" list
204+
*
205+
* The interface for this function is wrong: it should be told how many
206+
* OIDs are significant in the input vector, so that trailing InvalidOid
207+
* argument types can be recognized.
208+
*/
209+
Datum
210+
oidvectortypes(PG_FUNCTION_ARGS)
211+
{
212+
int numargs;
213+
int num;
214+
Oid *oidArray = (Oid *) PG_GETARG_POINTER(0);
215+
char *result;
216+
size_t total;
217+
size_t left;
218+
219+
/* Try to guess how many args there are :-( */
220+
numargs = 0;
221+
for (num = 0; num < FUNC_MAX_ARGS; num++)
222+
{
223+
if (oidArray[num] != InvalidOid)
224+
numargs = num + 1;
225+
}
226+
227+
total = 20 * numargs + 1;
228+
result = palloc(total);
229+
result[0] = '\0';
230+
left = total - 1;
231+
232+
for (num = 0; num < numargs; num++)
233+
{
234+
char * typename = format_type_internal(oidArray[num], 0, false);
235+
236+
if (left < strlen(typename) + 2)
237+
{
238+
total += strlen(typename) + 2;
239+
result = repalloc(result, total);
240+
left += strlen(typename) + 2;
241+
}
242+
243+
if (num > 0)
244+
{
245+
strcat(result, ", ");
246+
left -= 2;
247+
}
248+
strcat(result, typename);
249+
left -= strlen(typename);
250+
}
251+
252+
PG_RETURN_TEXT_P(_textin(result));
181253
}

‎src/backend/utils/adt/regproc.c

+1-48
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.57 2000/07/03 23:09:52 wieck Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/utils/adt/regproc.c,v 1.58 2000/07/09 21:30:12 petere Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -238,53 +238,6 @@ regprocout(PG_FUNCTION_ARGS)
238238
PG_RETURN_CSTRING(result);
239239
}
240240

241-
/*
242-
* oidvectortypes - converts a vector of type OIDs to "typname" list
243-
*
244-
* The interface for this function is wrong: it should be told how many
245-
* OIDs are significant in the input vector, so that trailing InvalidOid
246-
* argument types can be recognized.
247-
*/
248-
Datum
249-
oidvectortypes(PG_FUNCTION_ARGS)
250-
{
251-
Oid *oidArray = (Oid *) PG_GETARG_POINTER(0);
252-
HeapTuple typetup;
253-
text *result;
254-
int numargs,
255-
num;
256-
257-
/* Try to guess how many args there are :-( */
258-
numargs = 0;
259-
for (num = 0; num < FUNC_MAX_ARGS; num++)
260-
{
261-
if (oidArray[num] != InvalidOid)
262-
numargs = num + 1;
263-
}
264-
265-
result = (text *) palloc((NAMEDATALEN + 1) * numargs + VARHDRSZ + 1);
266-
*VARDATA(result) = '\0';
267-
268-
for (num = 0; num < numargs; num++)
269-
{
270-
typetup = SearchSysCacheTuple(TYPEOID,
271-
ObjectIdGetDatum(oidArray[num]),
272-
0, 0, 0);
273-
if (HeapTupleIsValid(typetup))
274-
{
275-
char *s;
276-
277-
s = NameStr(((Form_pg_type) GETSTRUCT(typetup))->typname);
278-
StrNCpy(VARDATA(result) + strlen(VARDATA(result)), s,
279-
NAMEDATALEN);
280-
strcat(VARDATA(result), " ");
281-
}
282-
else
283-
strcat(VARDATA(result), "- ");
284-
}
285-
VARATT_SIZEP(result) = strlen(VARDATA(result)) + VARHDRSZ;
286-
PG_RETURN_TEXT_P(result);
287-
}
288241

289242

290243
/*****************************************************************************

‎src/bin/psql/describe.c

+13-13
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
*
44
* Copyright 2000 by PostgreSQL Global Development Group
55
*
6-
* $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.22 2000/07/07 19:24:38 petere Exp $
6+
* $Header: /cvsroot/pgsql/src/bin/psql/describe.c,v 1.23 2000/07/09 21:30:19 petere Exp $
77
*/
88
#include "postgres.h"
99
#include "describe.h"
@@ -103,21 +103,21 @@ describeFunctions(const char *name, bool verbose)
103103
* arguments, but have no types defined for those arguments
104104
*/
105105
strcpy(buf,
106-
"SELECT t.typname as \"Result\", p.proname as \"Function\",\n"
106+
"SELECT format_type(p.prorettype, NULL) as \"Result\", p.proname as \"Function\",\n"
107107
" oidvectortypes(p.proargtypes) as \"Arguments\"");
108108
if (verbose)
109109
strcat(buf, ",\n u.usename as \"Owner\", l.lanname as \"Language\", p.prosrc as \"Source\",\n"
110110
" obj_description(p.oid) as \"Description\"");
111111

112112
if (!verbose)
113113
strcat(buf,
114-
"\nFROM pg_proc p, pg_type t\n"
115-
"WHERE p.prorettype = t.oid and (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
114+
"\nFROM pg_proc p\n"
115+
"WHERE p.prorettype <> 0 and (pronargs = 0 or oidvectortypes(p.proargtypes) <> '')\n");
116116
else
117117
strcat(buf,
118-
"\nFROM pg_proc p, pg_type t, pg_language l, pg_user u\n"
119-
"WHERE p.prorettype = t.oid AND p.prolang = l.oid AND p.proowner = u.usesysid\n"
120-
" AND (pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
118+
"\nFROM pg_proc p, pg_language l, pg_user u\n"
119+
"WHERE p.prolang = l.oid AND p.proowner = u.usesysid\n"
120+
" AND p.prorettype <> 0 and (pronargs = 0 or oidvectortypes(p.proargtypes) <> '')\n");
121121

122122
if (name)
123123
{
@@ -380,7 +380,7 @@ objectDescription(const char *object)
380380
descbuf[0] = '\0';
381381

382382
/* Aggregate descriptions */
383-
strcat(descbuf, "SELECT DISTINCT a.aggname as \"Name\", 'aggregate'::text as \"Object\", d.description as \"Description\"\n"
383+
strcat(descbuf, "SELECT DISTINCT a.aggname::text as \"Name\", 'aggregate'::text as \"Object\", d.description as \"Description\"\n"
384384
"FROM pg_aggregate a, pg_description d\n"
385385
"WHERE a.oid = d.objoid\n");
386386
if (object)
@@ -392,7 +392,7 @@ objectDescription(const char *object)
392392

393393
/* Function descriptions (except in/outs for datatypes) */
394394
strcat(descbuf, "\nUNION ALL\n\n");
395-
strcat(descbuf, "SELECT DISTINCT p.proname as \"Name\", 'function'::text as \"Object\", d.description as \"Description\"\n"
395+
strcat(descbuf, "SELECT DISTINCT p.proname::text as \"Name\", 'function'::text as \"Object\", d.description as \"Description\"\n"
396396
"FROM pg_proc p, pg_description d\n"
397397
"WHERE p.oid = d.objoid AND (p.pronargs = 0 or oidvectortypes(p.proargtypes) != '')\n");
398398
if (object)
@@ -404,7 +404,7 @@ objectDescription(const char *object)
404404

405405
/* Operator descriptions */
406406
strcat(descbuf, "\nUNION ALL\n\n");
407-
strcat(descbuf, "SELECT DISTINCT o.oprname as \"Name\", 'operator'::text as \"Object\", d.description as \"Description\"\n"
407+
strcat(descbuf, "SELECT DISTINCT o.oprname::text as \"Name\", 'operator'::text as \"Object\", d.description as \"Description\"\n"
408408
"FROM pg_operator o, pg_description d\n"
409409
/* must get comment via associated function */
410410
"WHERE RegprocToOid(o.oprcode) = d.objoid\n");
@@ -429,7 +429,7 @@ objectDescription(const char *object)
429429

430430
/* Relation (tables, views, indices, sequences) descriptions */
431431
strcat(descbuf, "\nUNION ALL\n\n");
432-
strcat(descbuf, "SELECT DISTINCT c.relname as \"Name\", 'relation'::text||'('||c.relkind||')' as \"Object\", d.description as \"Description\"\n"
432+
strcat(descbuf, "SELECT DISTINCT c.relname::text as \"Name\", 'relation'::text||'('||c.relkind||')' as \"Object\", d.description as \"Description\"\n"
433433
"FROM pg_class c, pg_description d\n"
434434
"WHERE c.oid = d.objoid\n");
435435
if (object)
@@ -441,7 +441,7 @@ objectDescription(const char *object)
441441

442442
/* Rule description (ignore rules for views) */
443443
strcat(descbuf, "\nUNION ALL\n\n");
444-
strcat(descbuf, "SELECT DISTINCT r.rulename as \"Name\", 'rule'::text as \"Object\", d.description as \"Description\"\n"
444+
strcat(descbuf, "SELECT DISTINCT r.rulename::text as \"Name\", 'rule'::text as \"Object\", d.description as \"Description\"\n"
445445
"FROM pg_rewrite r, pg_description d\n"
446446
"WHERE r.oid = d.objoid AND r.rulename !~ '^_RET'\n");
447447
if (object)
@@ -453,7 +453,7 @@ objectDescription(const char *object)
453453

454454
/* Trigger description */
455455
strcat(descbuf, "\nUNION ALL\n\n");
456-
strcat(descbuf, "SELECT DISTINCT t.tgname as \"Name\", 'trigger'::text as \"Object\", d.description as \"Description\"\n"
456+
strcat(descbuf, "SELECT DISTINCT t.tgname::text as \"Name\", 'trigger'::text as \"Object\", d.description as \"Description\"\n"
457457
"FROM pg_trigger t, pg_description d\n"
458458
"WHERE t.oid = d.objoid\n");
459459
if (object)

‎src/include/utils/builtins.h

+3-3
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
88
* Portions Copyright (c) 1994, Regents of the University of California
99
*
10-
* $Id: builtins.h,v 1.122 2000/07/08 03:04:36 tgl Exp $
10+
* $Id: builtins.h,v 1.123 2000/07/09 21:30:21 petere Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -325,7 +325,6 @@ extern Datum texticregexne(PG_FUNCTION_ARGS);
325325
/* regproc.c */
326326
extern Datum regprocin(PG_FUNCTION_ARGS);
327327
extern Datum regprocout(PG_FUNCTION_ARGS);
328-
extern Datum oidvectortypes(PG_FUNCTION_ARGS);
329328
extern Datum regproctooid(PG_FUNCTION_ARGS);
330329

331330
/* define macro to replace mixed-case function call - tgl 97/04/27 */
@@ -601,7 +600,8 @@ extern Datum getdatabaseencoding(PG_FUNCTION_ARGS);
601600
extern Datum PG_encoding_to_char(PG_FUNCTION_ARGS);
602601
extern Datum PG_char_to_encoding(PG_FUNCTION_ARGS);
603602

604-
/* formatting for internal types */
603+
/* format_type.c */
605604
extern Datum format_type(PG_FUNCTION_ARGS);
605+
extern Datum oidvectortypes(PG_FUNCTION_ARGS);
606606

607607
#endif /* BUILTINS_H */

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