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pg_upgrade: Add --copy option

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This option selects the default transfer mode.  Having an explicit
option is handy to make scripts and tests more explicit.  It also
makes it easier to talk about a "copy" mode rather than "the default
mode" or something like that, since until now the default mode didn't
have an externally visible name.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/50a97009-8ff9-ca4d-a0f6-6086a6775a5b%40enterprisedb.com
This commit is contained in:
Peter Eisentraut 2022-12-16 17:49:59 +01:00
parent 59346209a8
commit 746915c686
2 changed files with 16 additions and 0 deletions
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10
doc/src/sgml/ref/pgupgrade.sgml
View File

@ -230,6 +230,16 @@ PostgreSQL documentation
</listitem>
</varlistentry>
<varlistentry>
<term><option>--copy</option></term>
<listitem>
<para>
Copy files to the new cluster. This is the default. (See also
<option>--link</option> and <option>--clone</option>.)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-?</option></term>
<term><option>--help</option></term>

6
src/bin/pg_upgrade/option.c
View File

@ -56,6 +56,7 @@ parseCommandLine(int argc, char *argv[])
{"socketdir", required_argument, NULL, 's'},
{"verbose", no_argument, NULL, 'v'},
{"clone", no_argument, NULL, 1},
{"copy", no_argument, NULL, 2},
{NULL, 0, NULL, 0}
};
@ -194,6 +195,10 @@ parseCommandLine(int argc, char *argv[])
user_opts.transfer_mode = TRANSFER_MODE_CLONE;
break;
case 2:
user_opts.transfer_mode = TRANSFER_MODE_COPY;
break;
default:
fprintf(stderr, _("Try \"%s --help\" for more information.\n"),
os_info.progname);
@ -283,6 +288,7 @@ usage(void)
printf(_(" -v, --verbose enable verbose internal logging\n"));
printf(_(" -V, --version display version information, then exit\n"));
printf(_(" --clone clone instead of copying files to new cluster\n"));
printf(_(" --copy copy files to new cluster (default)\n"));
printf(_(" -?, --help show this help, then exit\n"));
printf(_("\n"
"Before running pg_upgrade you must:\n"