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path: root/src/bin/pg_dump/pg_dumpall.c
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Diffstat (limited to 'src/bin/pg_dump/pg_dumpall.c')
-rw-r--r--src/bin/pg_dump/pg_dumpall.c238
1 files changed, 45 insertions, 193 deletions
diff --git a/src/bin/pg_dump/pg_dumpall.c b/src/bin/pg_dump/pg_dumpall.c
index 100317b1aa9..87d10df07c4 100644
--- a/src/bin/pg_dump/pg_dumpall.c
+++ b/src/bin/pg_dump/pg_dumpall.c
@@ -65,10 +65,9 @@ static void dropTablespaces(PGconn *conn);
static void dumpTablespaces(PGconn *conn);
static void dropDBs(PGconn *conn);
static void dumpUserConfig(PGconn *conn, const char *username);
-static void dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat);
+static void dumpDatabases(PGconn *conn);
static void dumpTimestamp(const char *msg);
-static int runPgDump(const char *dbname, const char *create_opts,
- char *dbfile, ArchiveFormat archDumpFormat);
+static int runPgDump(const char *dbname, const char *create_opts);
static void buildShSecLabels(PGconn *conn,
const char *catalog_name, Oid objectId,
const char *objtype, const char *objname,
@@ -77,7 +76,6 @@ static void executeCommand(PGconn *conn, const char *query);
static void expand_dbname_patterns(PGconn *conn, SimpleStringList *patterns,
SimpleStringList *names);
static void read_dumpall_filters(const char *filename, SimpleStringList *pattern);
-static ArchiveFormat parseDumpFormat(const char *format);
static char pg_dump_bin[MAXPGPATH];
static PQExpBuffer pgdumpopts;
@@ -150,7 +148,6 @@ main(int argc, char *argv[])
{"password", no_argument, NULL, 'W'},
{"no-privileges", no_argument, NULL, 'x'},
{"no-acl", no_argument, NULL, 'x'},
- {"format", required_argument, NULL, 'F'},
/*
* the following options don't have an equivalent short option letter
@@ -201,8 +198,6 @@ main(int argc, char *argv[])
char *pgdb = NULL;
char *use_role = NULL;
const char *dumpencoding = NULL;
- ArchiveFormat archDumpFormat = archNull;
- const char *formatName = "p";
trivalue prompt_password = TRI_DEFAULT;
bool data_only = false;
bool globals_only = false;
@@ -252,7 +247,7 @@ main(int argc, char *argv[])
pgdumpopts = createPQExpBuffer();
- while ((c = getopt_long(argc, argv, "acd:E:f:F:gh:l:Op:rsS:tU:vwWx", long_options, &optindex)) != -1)
+ while ((c = getopt_long(argc, argv, "acd:E:f:gh:l:Op:rsS:tU:vwWx", long_options, &optindex)) != -1)
{
switch (c)
{
@@ -280,9 +275,7 @@ main(int argc, char *argv[])
appendPQExpBufferStr(pgdumpopts, " -f ");
appendShellString(pgdumpopts, filename);
break;
- case 'F':
- formatName = pg_strdup(optarg);
- break;
+
case 'g':
globals_only = true;
break;
@@ -431,21 +424,6 @@ main(int argc, char *argv[])
exit_nicely(1);
}
- /* Get format for dump. */
- archDumpFormat = parseDumpFormat(formatName);
-
- /*
- * If a non-plain format is specified, a file name is also required as the
- * path to the main directory.
- */
- if (archDumpFormat != archNull &&
- (!filename || strcmp(filename, "") == 0))
- {
- pg_log_error("option -F/--format=d|c|t requires option -f/--file");
- pg_log_error_hint("Try \"%s --help\" for more information.", progname);
- exit_nicely(1);
- }
-
/*
* If password values are not required in the dump, switch to using
* pg_roles which is equally useful, just more likely to have unrestricted
@@ -511,33 +489,6 @@ main(int argc, char *argv[])
appendPQExpBufferStr(pgdumpopts, " --sequence-data");
/*
- * Open the output file if required, otherwise use stdout. If required,
- * then create new directory and global.dat file.
- */
- if (archDumpFormat != archNull)
- {
- char global_path[MAXPGPATH];
-
- /* Create new directory or accept the empty existing directory. */
- create_or_open_dir(filename);
-
- snprintf(global_path, MAXPGPATH, "%s/global.dat", filename);
-
- OPF = fopen(global_path, PG_BINARY_W);
- if (!OPF)
- pg_fatal("could not open file \"%s\": %m", global_path);
- }
- else if (filename)
- {
- OPF = fopen(filename, PG_BINARY_W);
- if (!OPF)
- pg_fatal("could not open output file \"%s\": %m",
- filename);
- }
- else
- OPF = stdout;
-
- /*
* If there was a database specified on the command line, use that,
* otherwise try to connect to database "postgres", and failing that
* "template1".
@@ -577,6 +528,19 @@ main(int argc, char *argv[])
&database_exclude_names);
/*
+ * Open the output file if required, otherwise use stdout
+ */
+ if (filename)
+ {
+ OPF = fopen(filename, PG_BINARY_W);
+ if (!OPF)
+ pg_fatal("could not open output file \"%s\": %m",
+ filename);
+ }
+ else
+ OPF = stdout;
+
+ /*
* Set the client encoding if requested.
*/
if (dumpencoding)
@@ -675,7 +639,7 @@ main(int argc, char *argv[])
}
if (!globals_only && !roles_only && !tablespaces_only)
- dumpDatabases(conn, archDumpFormat);
+ dumpDatabases(conn);
PQfinish(conn);
@@ -688,7 +652,7 @@ main(int argc, char *argv[])
fclose(OPF);
/* sync the resulting file, errors are not fatal */
- if (dosync && (archDumpFormat == archNull))
+ if (dosync)
(void) fsync_fname(filename, false);
}
@@ -699,14 +663,12 @@ main(int argc, char *argv[])
static void
help(void)
{
- printf(_("%s exports a PostgreSQL database cluster as an SQL script or to other formats.\n\n"), progname);
+ printf(_("%s exports a PostgreSQL database cluster as an SQL script.\n\n"), progname);
printf(_("Usage:\n"));
printf(_(" %s [OPTION]...\n"), progname);
printf(_("\nGeneral options:\n"));
printf(_(" -f, --file=FILENAME output file name\n"));
- printf(_(" -F, --format=c|d|t|p output file format (custom, directory, tar,\n"
- " plain text (default))\n"));
printf(_(" -v, --verbose verbose mode\n"));
printf(_(" -V, --version output version information, then exit\n"));
printf(_(" --lock-wait-timeout=TIMEOUT fail after waiting TIMEOUT for a table lock\n"));
@@ -1013,6 +975,9 @@ dumpRoles(PGconn *conn)
* We do it this way because config settings for roles could mention the
* names of other roles.
*/
+ if (PQntuples(res) > 0)
+ fprintf(OPF, "\n--\n-- User Configurations\n--\n");
+
for (i = 0; i < PQntuples(res); i++)
dumpUserConfig(conn, PQgetvalue(res, i, i_rolname));
@@ -1526,7 +1491,6 @@ dumpUserConfig(PGconn *conn, const char *username)
{
PQExpBuffer buf = createPQExpBuffer();
PGresult *res;
- static bool header_done = false;
printfPQExpBuffer(buf, "SELECT unnest(setconfig) FROM pg_db_role_setting "
"WHERE setdatabase = 0 AND setrole = "
@@ -1538,13 +1502,7 @@ dumpUserConfig(PGconn *conn, const char *username)
res = executeQuery(conn, buf->data);
if (PQntuples(res) > 0)
- {
- if (!header_done)
- fprintf(OPF, "\n--\n-- User Configurations\n--\n");
- header_done = true;
-
fprintf(OPF, "\n--\n-- User Config \"%s\"\n--\n\n", username);
- }
for (int i = 0; i < PQntuples(res); i++)
{
@@ -1618,13 +1576,10 @@ expand_dbname_patterns(PGconn *conn,
* Dump contents of databases.
*/
static void
-dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
+dumpDatabases(PGconn *conn)
{
PGresult *res;
int i;
- char db_subdir[MAXPGPATH];
- char dbfilepath[MAXPGPATH];
- FILE *map_file = NULL;
/*
* Skip databases marked not datallowconn, since we'd be unable to connect
@@ -1638,42 +1593,18 @@ dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
* doesn't have some failure mode with --clean.
*/
res = executeQuery(conn,
- "SELECT datname, oid "
+ "SELECT datname "
"FROM pg_database d "
"WHERE datallowconn AND datconnlimit != -2 "
"ORDER BY (datname <> 'template1'), datname");
- if (archDumpFormat == archNull && PQntuples(res) > 0)
+ if (PQntuples(res) > 0)
fprintf(OPF, "--\n-- Databases\n--\n\n");
- /*
- * If directory/tar/custom format is specified, create a subdirectory
- * under the main directory and each database dump file or subdirectory
- * will be created in that subdirectory by pg_dump.
- */
- if (archDumpFormat != archNull)
- {
- char map_file_path[MAXPGPATH];
-
- snprintf(db_subdir, MAXPGPATH, "%s/databases", filename);
-
- /* Create a subdirectory with 'databases' name under main directory. */
- if (mkdir(db_subdir, pg_dir_create_mode) != 0)
- pg_fatal("could not create directory \"%s\": %m", db_subdir);
-
- snprintf(map_file_path, MAXPGPATH, "%s/map.dat", filename);
-
- /* Create a map file (to store dboid and dbname) */
- map_file = fopen(map_file_path, PG_BINARY_W);
- if (!map_file)
- pg_fatal("could not open file \"%s\": %m", map_file_path);
- }
-
for (i = 0; i < PQntuples(res); i++)
{
char *dbname = PQgetvalue(res, i, 0);
- char *oid = PQgetvalue(res, i, 1);
- const char *create_opts = "";
+ const char *create_opts;
int ret;
/* Skip template0, even if it's not marked !datallowconn. */
@@ -1687,27 +1618,9 @@ dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
continue;
}
- /*
- * If this is not a plain format dump, then append dboid and dbname to
- * the map.dat file.
- */
- if (archDumpFormat != archNull)
- {
- if (archDumpFormat == archCustom)
- snprintf(dbfilepath, MAXPGPATH, "\"%s\"/\"%s\".dmp", db_subdir, oid);
- else if (archDumpFormat == archTar)
- snprintf(dbfilepath, MAXPGPATH, "\"%s\"/\"%s\".tar", db_subdir, oid);
- else
- snprintf(dbfilepath, MAXPGPATH, "\"%s\"/\"%s\"", db_subdir, oid);
-
- /* Put one line entry for dboid and dbname in map file. */
- fprintf(map_file, "%s %s\n", oid, dbname);
- }
-
pg_log_info("dumping database \"%s\"", dbname);
- if (archDumpFormat == archNull)
- fprintf(OPF, "--\n-- Database \"%s\" dump\n--\n\n", dbname);
+ fprintf(OPF, "--\n-- Database \"%s\" dump\n--\n\n", dbname);
/*
* We assume that "template1" and "postgres" already exist in the
@@ -1721,9 +1634,12 @@ dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
{
if (output_clean)
create_opts = "--clean --create";
- /* Since pg_dump won't emit a \connect command, we must */
- else if (archDumpFormat == archNull)
+ else
+ {
+ create_opts = "";
+ /* Since pg_dump won't emit a \connect command, we must */
fprintf(OPF, "\\connect %s\n\n", dbname);
+ }
}
else
create_opts = "--create";
@@ -1731,30 +1647,19 @@ dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
if (filename)
fclose(OPF);
- ret = runPgDump(dbname, create_opts, dbfilepath, archDumpFormat);
+ ret = runPgDump(dbname, create_opts);
if (ret != 0)
pg_fatal("pg_dump failed on database \"%s\", exiting", dbname);
if (filename)
{
- char global_path[MAXPGPATH];
-
- if (archDumpFormat != archNull)
- snprintf(global_path, MAXPGPATH, "%s/global.dat", filename);
- else
- snprintf(global_path, MAXPGPATH, "%s", filename);
-
- OPF = fopen(global_path, PG_BINARY_A);
+ OPF = fopen(filename, PG_BINARY_A);
if (!OPF)
pg_fatal("could not re-open the output file \"%s\": %m",
- global_path);
+ filename);
}
}
- /* Close map file */
- if (archDumpFormat != archNull)
- fclose(map_file);
-
PQclear(res);
}
@@ -1764,8 +1669,7 @@ dumpDatabases(PGconn *conn, ArchiveFormat archDumpFormat)
* Run pg_dump on dbname, with specified options.
*/
static int
-runPgDump(const char *dbname, const char *create_opts, char *dbfile,
- ArchiveFormat archDumpFormat)
+runPgDump(const char *dbname, const char *create_opts)
{
PQExpBufferData connstrbuf;
PQExpBufferData cmd;
@@ -1774,36 +1678,17 @@ runPgDump(const char *dbname, const char *create_opts, char *dbfile,
initPQExpBuffer(&connstrbuf);
initPQExpBuffer(&cmd);
+ printfPQExpBuffer(&cmd, "\"%s\" %s %s", pg_dump_bin,
+ pgdumpopts->data, create_opts);
+
/*
- * If this is not a plain format dump, then append file name and dump
- * format to the pg_dump command to get archive dump.
+ * If we have a filename, use the undocumented plain-append pg_dump
+ * format.
*/
- if (archDumpFormat != archNull)
- {
- printfPQExpBuffer(&cmd, "\"%s\" -f %s %s", pg_dump_bin,
- dbfile, create_opts);
-
- if (archDumpFormat == archDirectory)
- appendPQExpBufferStr(&cmd, " --format=directory ");
- else if (archDumpFormat == archCustom)
- appendPQExpBufferStr(&cmd, " --format=custom ");
- else if (archDumpFormat == archTar)
- appendPQExpBufferStr(&cmd, " --format=tar ");
- }
+ if (filename)
+ appendPQExpBufferStr(&cmd, " -Fa ");
else
- {
- printfPQExpBuffer(&cmd, "\"%s\" %s %s", pg_dump_bin,
- pgdumpopts->data, create_opts);
-
- /*
- * If we have a filename, use the undocumented plain-append pg_dump
- * format.
- */
- if (filename)
- appendPQExpBufferStr(&cmd, " -Fa ");
- else
- appendPQExpBufferStr(&cmd, " -Fp ");
- }
+ appendPQExpBufferStr(&cmd, " -Fp ");
/*
* Append the database name to the already-constructed stem of connection
@@ -1948,36 +1833,3 @@ read_dumpall_filters(const char *filename, SimpleStringList *pattern)
filter_free(&fstate);
}
-
-/*
- * parseDumpFormat
- *
- * This will validate dump formats.
- */
-static ArchiveFormat
-parseDumpFormat(const char *format)
-{
- ArchiveFormat archDumpFormat;
-
- if (pg_strcasecmp(format, "c") == 0)
- archDumpFormat = archCustom;
- else if (pg_strcasecmp(format, "custom") == 0)
- archDumpFormat = archCustom;
- else if (pg_strcasecmp(format, "d") == 0)
- archDumpFormat = archDirectory;
- else if (pg_strcasecmp(format, "directory") == 0)
- archDumpFormat = archDirectory;
- else if (pg_strcasecmp(format, "p") == 0)
- archDumpFormat = archNull;
- else if (pg_strcasecmp(format, "plain") == 0)
- archDumpFormat = archNull;
- else if (pg_strcasecmp(format, "t") == 0)
- archDumpFormat = archTar;
- else if (pg_strcasecmp(format, "tar") == 0)
- archDumpFormat = archTar;
- else
- pg_fatal("unrecognized output format \"%s\"; please specify \"c\", \"d\", \"p\", or \"t\"",
- format);
-
- return archDumpFormat;
-}