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Fix two error-recovery bugs in describeOneTableDetails(), and make the code 

to dump sequence values cope with sequences outside the search path and/or
having names that need quoting.  No back-patch needed because these are new
problems in 8.4.

Kris Jurka  (also a little bit of code beautification by tgl)
This commit is contained in:
Tom Lane 2008-11-03 19:08:56 +00:00
parent 88dd4b0a0d
commit 13fc2e4df8
1 changed files with 22 additions and 15 deletions
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37
src/bin/psql/describe.c
View File

@ -8,7 +8,7 @@
*
* Copyright (c) 2000-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.185 2008/09/23 09:20:38 heikki Exp $
* $PostgreSQL: pgsql/src/bin/psql/describe.c,v 1.186 2008/11/03 19:08:56 tgl Exp $
*/
#include "postgres_fe.h"
@ -826,6 +826,7 @@ describeOneTableDetails(const char *schemaname,
PGresult *res = NULL;
printTableOpt myopt = pset.popt.topt;
printTableContent cont;
bool printTableInitialized = false;
int i;
char *view_def = NULL;
char *headers[6];
@ -887,9 +888,10 @@ describeOneTableDetails(const char *schemaname,
tableinfo.tablespace = (pset.sversion >= 80000) ?
atooid(PQgetvalue(res, 0, 6)) : 0;
PQclear(res);
res = NULL;
/*
* This is used to get the values of a sequence and store it in an
* If it's a sequence, fetch its values and store into an
* array that will be used later.
*/
if (tableinfo.relkind == 'S')
@ -898,12 +900,14 @@ describeOneTableDetails(const char *schemaname,
#define SEQ_NUM_COLS 10
printfPQExpBuffer(&buf,
"SELECT sequence_name, last_value, \n"
" start_value, increment_by, \n"
" max_value, min_value, cache_value, \n"
" log_cnt, is_cycled, is_called \n"
"FROM \"%s\"",
relationname);
"SELECT sequence_name, last_value,\n"
" start_value, increment_by,\n"
" max_value, min_value, cache_value,\n"
" log_cnt, is_cycled, is_called\n"
"FROM %s",
fmtId(schemaname));
/* must be separate because fmtId isn't reentrant */
appendPQExpBuffer(&buf, ".%s", fmtId(relationname));
result = PSQLexec(buf.data, false);
if (!result)
@ -1000,6 +1004,7 @@ describeOneTableDetails(const char *schemaname,
}
printTableInit(&cont, &myopt, title.data, cols, numrows);
printTableInitialized = true;
for (i = 0; i < cols; i++)
printTableAddHeader(&cont, headers[i], true, 'l');
@ -1030,12 +1035,8 @@ describeOneTableDetails(const char *schemaname,
/* Type */
printTableAddCell(&cont, PQgetvalue(res, i, 1), false);
/* A special 'Value' column for sequences */
if (tableinfo.relkind == 'S')
printTableAddCell(&cont, seq_values[i], false);
/* Extra: not null and default */
/* Modifiers: not null and default */
if (show_modifiers)
{
resetPQExpBuffer(&tmpbuf);
@ -1057,10 +1058,15 @@ describeOneTableDetails(const char *schemaname,
printTableAddCell(&cont, modifiers[i], false);
}
/* Value: for sequences only */
if (tableinfo.relkind == 'S')
printTableAddCell(&cont, seq_values[i], false);
/* Storage and Description */
if (verbose)
{
char *storage = PQgetvalue(res, i, 5);
/* these strings are literal in our syntax, so not translated. */
printTableAddCell(&cont, (storage[0]=='p' ? "plain" :
(storage[0]=='m' ? "main" :
@ -1593,7 +1599,8 @@ describeOneTableDetails(const char *schemaname,
error_return:
/* clean up */
printTableCleanup(&cont);
if (printTableInitialized)
printTableCleanup(&cont);
termPQExpBuffer(&buf);
termPQExpBuffer(&title);
termPQExpBuffer(&tmpbuf);