diff options
| author | Andres Freund | 2015-07-07 11:40:44 +0000 |
|---|---|---|
| committer | Andres Freund | 2015-07-07 11:40:44 +0000 |
| commit | 275f05c990c46f8dfe3cb46a3279521bda9e9e27 (patch) | |
| tree | 36cf85d8290248722ab6b4f37b5f5b86dc71e3d5 | |
| parent | b2f6f749c7a5936adbb555e248e8e4df35c00a4a (diff) | |
Add psql PROMPT variable showing the pid of the connected to backend.
The substitution for the pid is %p.
Author: Julien Rouhaud
Discussion: [email protected]
| -rw-r--r-- | doc/src/sgml/ref/psql-ref.sgml | 7 | ||||
| -rw-r--r-- | src/bin/psql/prompt.c | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/psql-ref.sgml b/doc/src/sgml/ref/psql-ref.sgml index d17d405f20..ac609fdf56 100644 --- a/doc/src/sgml/ref/psql-ref.sgml +++ b/doc/src/sgml/ref/psql-ref.sgml @@ -3365,6 +3365,13 @@ testdb=> <userinput>INSERT INTO my_table VALUES (:'content');</userinput> </varlistentry> <varlistentry> + <term><literal>%p</literal></term> + <listitem> + <para>The pid of the backend currently connected to.</para> + </listitem> + </varlistentry> + + <varlistentry> <term><literal>%></literal></term> <listitem><para>The port number at which the database server is listening.</para></listitem> </varlistentry> diff --git a/src/bin/psql/prompt.c b/src/bin/psql/prompt.c index 89842673f8..96e669a6ff 100644 --- a/src/bin/psql/prompt.c +++ b/src/bin/psql/prompt.c @@ -34,6 +34,7 @@ * %M - database server "hostname.domainname", "[local]" for AF_UNIX * sockets, "[local:/dir/name]" if not default * %m - like %M, but hostname only (before first dot), or always "[local]" + * %p - backend pid * %> - database server port number * %n - database user name * %/ - current database @@ -161,6 +162,15 @@ get_prompt(promptStatus_t status) if (pset.db) strlcpy(buf, session_username(), sizeof(buf)); break; + /* backend pid */ + case 'p': + if (pset.db) + { + int pid = PQbackendPID(pset.db); + if (pid) + snprintf(buf, sizeof(buf), "%d", pid); + } + break; case '0': case '1': |