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Change the built-in default socket directory to be /var/run/postgresql.
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For backwards compatibility with (probably non-libpq-based) clients that
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might still expect to find the socket in /tmp, also create a socket in
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/tmp. This is to resolve communication problems with clients operating
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under systemd's PrivateTmp environment, which won't be using the same
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global /tmp directory as the server; see bug #825448.
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Note that we apply the socket directory change at the level of the
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hard-wired defaults in the C code, not by just twiddling the setting in
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postgresql.conf.sample; this is so that the change will take effect on
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server package update, without requiring any existing postgresql.conf
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to be updated. (Of course, a user who dislikes this behavior can still
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override it via postgresql.conf.)
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396089 |
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diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
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index 9481f2d..75532c7 100644
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--- a/src/backend/utils/misc/guc.c
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+++ b/src/backend/utils/misc/guc.c
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@@ -3196,7 +3196,7 @@ static struct config_string ConfigureNamesString[] =
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},
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&Unix_socket_directories,
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#ifdef HAVE_UNIX_SOCKETS
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- DEFAULT_PGSOCKET_DIR,
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+ DEFAULT_PGSOCKET_DIR ", /tmp",
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#else
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"",
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#endif
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diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
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index feeff9e..3e3d784 100644
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--- a/src/bin/initdb/initdb.c
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+++ b/src/bin/initdb/initdb.c
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@@ -1234,7 +1234,7 @@ setup_config(void)
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#ifdef HAVE_UNIX_SOCKETS
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snprintf(repltok, sizeof(repltok), "#unix_socket_directories = '%s'",
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- DEFAULT_PGSOCKET_DIR);
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+ DEFAULT_PGSOCKET_DIR ", /tmp");
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#else
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snprintf(repltok, sizeof(repltok), "#unix_socket_directories = ''");
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#endif
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diff --git a/src/include/pg_config_manual.h b/src/include/pg_config_manual.h
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index e278fa0..9ee15d4 100644
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--- a/src/include/pg_config_manual.h
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+++ b/src/include/pg_config_manual.h
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@@ -201,7 +201,7 @@
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* support them yet.
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*/
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#ifndef WIN32
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-#define DEFAULT_PGSOCKET_DIR "/tmp"
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+#define DEFAULT_PGSOCKET_DIR "/var/run/postgresql"
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#else
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#define DEFAULT_PGSOCKET_DIR ""
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#endif
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