Re: vacuumlo patch

Hi Álvaro, thanks for the response.

Here is the requested "diff with 3 lines of context":

git diff HEAD -- contrib/vacuumlo/vacuumlo.c
diff --git a/contrib/vacuumlo/vacuumlo.c b/contrib/vacuumlo/vacuumlo.c
index f6e2a28..b7c7d64 100644
--- a/contrib/vacuumlo/vacuumlo.c
+++ b/contrib/vacuumlo/vacuumlo.c
@@ -48,6 +48,7 @@ struct _param
char *pg_host;
int verbose;
int dry_run;
+ int transaction_limit;
};

int vacuumlo(char *, struct _param *);
@@ -282,7 +283,13 @@ vacuumlo(char *database, struct _param * param)
fprintf(stderr, "%s", PQerrorMessage(conn));
}
else
+ {
deleted++;
+ if(param->transaction_limit!=0 &&
deleted>=param->transaction_limit)
+ {
+ break;
+ }
+ }
}
else
deleted++;
@@ -313,6 +320,7 @@ usage(const char *progname)
printf(" -h HOSTNAME database server host or socket directory\n");
printf(" -n don't remove large objects, just show what would
be done\n");
printf(" -p PORT database server port\n");
+ printf(" -l LIMIT stop after removing LIMIT LOs\n");
printf(" -U USERNAME user name to connect as\n");
printf(" -w never prompt for password\n");
printf(" -W force password prompt\n");
@@ -342,6 +350,7 @@ main(int argc, char **argv)
param.pg_port = NULL;
param.verbose = 0;
param.dry_run = 0;
+ param.transaction_limit = 0;

if (argc > 1)
{
@@ -359,7 +368,7 @@ main(int argc, char **argv)

while (1)
{
- c = getopt(argc, argv, "h:U:p:vnwW");
+ c = getopt(argc, argv, "h:U:p:l:vnwW");
if (c == -1)
break;

@@ -395,6 +404,14 @@ main(int argc, char **argv)
}
param.pg_port = strdup(optarg);
break;
+ case 'l':
+ param.transaction_limit = strtol(optarg, NULL, 10);
+ if ((param.transaction_limit < 0) ||
(param.transaction_limit > 2147483647))
+ {
+ fprintf(stderr, "%s: invalid transaction limit number:
%s, valid range is form 0(disabled) to 2147483647.\n", progname, optarg);
+ exit(1);
+ }
+ break;
case 'h':
param.pg_host = strdup(optarg);
break;