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Anonymous committed a9701a1

In pg_upgrade, issue proper error message when we can't open PG_VERSION.

Backpatch to 9.2.

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Files changed (1)

contrib/pg_upgrade/server.c

 	snprintf(ver_filename, sizeof(ver_filename), "%s/PG_VERSION",
 			 cluster->pgdata);
 	if ((version_fd = fopen(ver_filename, "r")) == NULL)
-		return 0;
+		pg_log(PG_FATAL, "could not open version file: %s\n", ver_filename);
 
 	if (fscanf(version_fd, "%63s", cluster->major_version_str) == 0 ||
 		sscanf(cluster->major_version_str, "%d.%d", &integer_version,