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-rw-r--r--src/backend/archive/shell_archive.c7
-rw-r--r--src/backend/postmaster/pgarch.c8
-rw-r--r--src/include/archive/archive_module.h8
3 files changed, 21 insertions, 2 deletions
diff --git a/src/backend/archive/shell_archive.c b/src/backend/archive/shell_archive.c
index c95b732495c..bff0ab800d0 100644
--- a/src/backend/archive/shell_archive.c
+++ b/src/backend/archive/shell_archive.c
@@ -45,7 +45,12 @@ shell_archive_init(void)
static bool
shell_archive_configured(ArchiveModuleState *state)
{
- return XLogArchiveCommand[0] != '\0';
+ if (XLogArchiveCommand[0] != '\0')
+ return true;
+
+ arch_module_check_errdetail("%s is not set.",
+ "archive_command");
+ return false;
}
static bool
diff --git a/src/backend/postmaster/pgarch.c b/src/backend/postmaster/pgarch.c
index bb0eb13a898..f97035ca03c 100644
--- a/src/backend/postmaster/pgarch.c
+++ b/src/backend/postmaster/pgarch.c
@@ -88,6 +88,7 @@ typedef struct PgArchData
} PgArchData;
char *XLogArchiveLibrary = "";
+char *arch_module_check_errdetail_string;
/* ----------
@@ -401,12 +402,17 @@ pgarch_ArchiverCopyLoop(void)
*/
HandlePgArchInterrupts();
+ /* Reset variables that might be set by the callback */
+ arch_module_check_errdetail_string = NULL;
+
/* can't do anything if not configured ... */
if (ArchiveCallbacks->check_configured_cb != NULL &&
!ArchiveCallbacks->check_configured_cb(archive_module_state))
{
ereport(WARNING,
- (errmsg("archive_mode enabled, yet archiving is not configured")));
+ (errmsg("archive_mode enabled, yet archiving is not configured"),
+ arch_module_check_errdetail_string ?
+ errdetail_internal("%s", arch_module_check_errdetail_string) : 0));
return;
}
diff --git a/src/include/archive/archive_module.h b/src/include/archive/archive_module.h
index fd59b9faf4d..763af76e542 100644
--- a/src/include/archive/archive_module.h
+++ b/src/include/archive/archive_module.h
@@ -56,4 +56,12 @@ typedef const ArchiveModuleCallbacks *(*ArchiveModuleInit) (void);
extern PGDLLEXPORT const ArchiveModuleCallbacks *_PG_archive_module_init(void);
+/* Support for messages reported from archive module callbacks. */
+
+extern PGDLLIMPORT char *arch_module_check_errdetail_string;
+
+#define arch_module_check_errdetail \
+ pre_format_elog_string(errno, TEXTDOMAIN), \
+ arch_module_check_errdetail_string = format_elog_string
+
#endif /* _ARCHIVE_MODULE_H */