mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-12-21 08:29:39 +08:00
33ab177a56
getopt_long(). This is more or less the same problem as we saw earlier with getaddrinfo() and struct addrinfo, and for the same reason: random user-added libraries might contain the subroutine, but there's no guarantee we will find the matching header files.
296 lines
6.7 KiB
C
296 lines
6.7 KiB
C
/* -------------------------------------------------------------------------
|
|
* pg_dumplo
|
|
*
|
|
* $Header: /cvsroot/pgsql/contrib/pg_dumplo/Attic/main.c,v 1.18 2003/08/07 21:11:57 tgl Exp $
|
|
*
|
|
* Karel Zak 1999-2000
|
|
* -------------------------------------------------------------------------
|
|
*/
|
|
|
|
#include "postgres_fe.h"
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "libpq-fe.h"
|
|
#include "libpq/libpq-fs.h"
|
|
|
|
#include "pg_dumplo.h"
|
|
|
|
#ifndef HAVE_STRDUP
|
|
#include "strdup.h"
|
|
#endif
|
|
|
|
#include "getopt_long.h"
|
|
|
|
#ifndef HAVE_OPTRESET
|
|
int optreset;
|
|
#endif
|
|
|
|
char *progname = NULL;
|
|
|
|
int main(int argc, char **argv);
|
|
static void usage(void);
|
|
static void parse_lolist(LODumpMaster * pgLO);
|
|
|
|
|
|
/*-----
|
|
* The mother of all C functions
|
|
*-----
|
|
*/
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
LODumpMaster _pgLO,
|
|
*pgLO = &_pgLO;
|
|
char *pwd = NULL;
|
|
|
|
pgLO->argv = argv;
|
|
pgLO->argc = argc;
|
|
pgLO->action = 0;
|
|
pgLO->lolist = NULL;
|
|
pgLO->user = NULL;
|
|
pgLO->db = NULL;
|
|
pgLO->host = NULL;
|
|
pgLO->port = NULL;
|
|
pgLO->space = NULL;
|
|
pgLO->index = NULL;
|
|
pgLO->remove = FALSE;
|
|
pgLO->quiet = FALSE;
|
|
pgLO->counter = 0;
|
|
pgLO->lolist_start = 0;
|
|
|
|
progname = argv[0];
|
|
|
|
/*
|
|
* Parse ARGV
|
|
*/
|
|
if (argc > 1)
|
|
{
|
|
int arg;
|
|
extern int optind;
|
|
int l_index = 0;
|
|
static struct option l_opt[] = {
|
|
{"help", no_argument, 0, 'h'},
|
|
{"user", required_argument, 0, 'u'},
|
|
{"pwd", required_argument, 0, 'p'},
|
|
{"db", required_argument, 0, 'd'},
|
|
{"host", required_argument, 0, 'h'},
|
|
{"port", required_argument, 0, 'o'},
|
|
{"space", required_argument, 0, 's'},
|
|
{"import", no_argument, 0, 'i'},
|
|
{"export", no_argument, 0, 'e'},
|
|
{"remove", no_argument, 0, 'r'},
|
|
{"quiet", no_argument, 0, 'q'},
|
|
{"all", no_argument, 0, 'a'},
|
|
{"show", no_argument, 0, 'w'},
|
|
{NULL, 0, 0, 0}
|
|
};
|
|
|
|
while ((arg = getopt_long(argc, argv, "?aeho:u:p:qd:l:t:irs:w", l_opt, &l_index)) != -1)
|
|
{
|
|
switch (arg)
|
|
{
|
|
case '?':
|
|
case 'h':
|
|
usage();
|
|
exit(RE_OK);
|
|
case 'u':
|
|
pgLO->user = strdup(optarg);
|
|
break;
|
|
case 't':
|
|
pgLO->host = strdup(optarg);
|
|
break;
|
|
case 'o':
|
|
pgLO->port = strdup(optarg);
|
|
break;
|
|
case 'p':
|
|
pwd = strdup(optarg);
|
|
break;
|
|
case 'd':
|
|
pgLO->db = strdup(optarg);
|
|
break;
|
|
case 's':
|
|
pgLO->space = strdup(optarg);
|
|
break;
|
|
case 'i':
|
|
pgLO->action = ACTION_IMPORT;
|
|
break;
|
|
case 'l':
|
|
pgLO->action = ACTION_EXPORT_ATTR;
|
|
pgLO->lolist_start = optind - 1;
|
|
parse_lolist(pgLO);
|
|
break;
|
|
case 'e':
|
|
case 'a':
|
|
pgLO->action = ACTION_EXPORT_ALL;
|
|
break;
|
|
case 'w':
|
|
pgLO->action = ACTION_SHOW;
|
|
break;
|
|
case 'r':
|
|
pgLO->remove = TRUE;
|
|
break;
|
|
case 'q':
|
|
pgLO->quiet = TRUE;
|
|
break;
|
|
default:
|
|
fprintf(stderr, "%s: bad arg -%c\n", progname, arg);
|
|
usage();
|
|
exit(RE_ERROR);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
usage();
|
|
exit(RE_ERROR);
|
|
}
|
|
|
|
/*
|
|
* Check space
|
|
*/
|
|
if (!pgLO->space && !pgLO->action == ACTION_SHOW)
|
|
{
|
|
if (!(pgLO->space = getenv("PWD")))
|
|
{
|
|
fprintf(stderr, "%s: not set space for dump-tree (option '-s' or $PWD).\n", progname);
|
|
exit(RE_ERROR);
|
|
}
|
|
}
|
|
|
|
if (!pgLO->action)
|
|
{
|
|
fprintf(stderr, "%s: What do you want - export or import?\n", progname);
|
|
exit(RE_ERROR);
|
|
}
|
|
|
|
/*
|
|
* Make connection
|
|
*/
|
|
pgLO->conn = PQsetdbLogin(pgLO->host, pgLO->port, NULL, NULL, pgLO->db,
|
|
pgLO->user, pwd);
|
|
|
|
if (PQstatus(pgLO->conn) == CONNECTION_BAD)
|
|
{
|
|
fprintf(stderr, "%s (connection): %s\n", progname, PQerrorMessage(pgLO->conn));
|
|
exit(RE_ERROR);
|
|
}
|
|
pgLO->host = PQhost(pgLO->conn) ? PQhost(pgLO->conn) : "localhost";
|
|
pgLO->db = PQdb(pgLO->conn);
|
|
pgLO->user = PQuser(pgLO->conn);
|
|
|
|
|
|
/*
|
|
* Init index file
|
|
*/
|
|
if (pgLO->action != ACTION_SHOW)
|
|
index_file(pgLO);
|
|
|
|
PQexec(pgLO->conn, "SET search_path = public");
|
|
|
|
PQexec(pgLO->conn, "BEGIN");
|
|
|
|
switch (pgLO->action)
|
|
{
|
|
|
|
case ACTION_SHOW:
|
|
case ACTION_EXPORT_ALL:
|
|
load_lolist(pgLO);
|
|
/* FALL THROUGH */
|
|
|
|
case ACTION_EXPORT_ATTR:
|
|
pglo_export(pgLO);
|
|
if (!pgLO->quiet)
|
|
{
|
|
if (pgLO->action == ACTION_SHOW)
|
|
printf("\nDatabase '%s' contains %d large objects.\n\n", pgLO->db, pgLO->counter);
|
|
else
|
|
printf("\nExported %d large objects.\n\n", pgLO->counter);
|
|
}
|
|
break;
|
|
|
|
case ACTION_IMPORT:
|
|
pglo_import(pgLO);
|
|
if (!pgLO->quiet)
|
|
printf("\nImported %d large objects.\n\n", pgLO->counter);
|
|
break;
|
|
}
|
|
|
|
PQexec(pgLO->conn, "COMMIT");
|
|
PQfinish(pgLO->conn);
|
|
|
|
if (pgLO->action != ACTION_SHOW)
|
|
fclose(pgLO->index);
|
|
|
|
exit(RE_OK);
|
|
}
|
|
|
|
static void
|
|
parse_lolist(LODumpMaster * pgLO)
|
|
{
|
|
LOlist *ll;
|
|
char **d,
|
|
*loc,
|
|
buff[MAX_TABLE_NAME + MAX_ATTR_NAME + 1];
|
|
|
|
pgLO->lolist = (LOlist *) malloc(pgLO->argc * sizeof(LOlist));
|
|
|
|
if (!pgLO->lolist)
|
|
{
|
|
fprintf(stderr, "%s: can't allocate memory\n", progname);
|
|
exit(RE_ERROR);
|
|
}
|
|
|
|
for (d = pgLO->argv + pgLO->lolist_start, ll = pgLO->lolist;
|
|
*d != NULL;
|
|
d++, ll++)
|
|
{
|
|
|
|
strncpy(buff, *d, MAX_TABLE_NAME + MAX_ATTR_NAME);
|
|
|
|
if ((loc = strchr(buff, '.')) == NULL)
|
|
{
|
|
fprintf(stderr, "%s: '%s' is bad 'table.attr'\n", progname, buff);
|
|
exit(RE_ERROR);
|
|
}
|
|
*loc = '\0';
|
|
ll->lo_table = strdup(buff);
|
|
ll->lo_attr = strdup(++loc);
|
|
}
|
|
ll++;
|
|
ll->lo_table = ll->lo_attr = (char *) NULL;
|
|
}
|
|
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
printf("\npg_dumplo %s - PostgreSQL large objects dump\n", PG_VERSION);
|
|
puts("pg_dumplo [option]\n\n"
|
|
"-h --help this help\n"
|
|
"-u --user=<username> username for connection to server\n"
|
|
"-p --password=<password> password for connection to server\n"
|
|
"-d --db=<database> database name\n"
|
|
"-t --host=<hostname> server hostname\n"
|
|
"-o --port=<port> database server port (default: 5432)\n"
|
|
"-s --space=<dir> directory with dump tree (for export/import)\n"
|
|
"-i --import import large obj dump tree to DB\n"
|
|
"-e --export export (dump) large obj to dump tree\n"
|
|
"-l <table.attr ...> dump attribute (columns) with LO to dump tree\n"
|
|
"-a --all dump all LO in DB (default)\n"
|
|
"-r --remove if is set '-i' try remove old LO\n"
|
|
"-q --quiet run quietly\n"
|
|
"-w --show not dump, but show all LO in DB\n"
|
|
"\n"
|
|
"Example (dump): pg_dumplo -d my_db -s /my_dump/dir -l t1.a t1.b t2.a\n"
|
|
" pg_dumplo -a -d my_db -s /my_dump/dir\n"
|
|
"Example (import): pg_dumplo -i -d my_db -s /my_dump/dir\n"
|
|
"Example (show): pg_dumplo -w -d my_db\n\n"
|
|
"Note: * option '-l' must be last option!\n"
|
|
" * option '-i' without option '-r' make new large obj in DB\n"
|
|
" not rewrite old, the '-i' UPDATE oid numbers in table.attr only!\n"
|
|
" * if option -s is not set, pg_dumplo uses $PWD\n"
|
|
); /* puts() */
|
|
}
|