Re: Don't choke on files that are removed while pg_rewind runs.

commit b36805f3c54fe0e50e58bb9e6dad66daca46fbf6
Author: Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
Date: Sun Jun 28 21:35:51 2015 +0300

...

|@@ -175,22 +175,31 @@ libpqProcessFileList(void)
| pg_fatal("unexpected result set while fetching file list\n");
|
| /* Read result to local variables */
| for (i = 0; i < PQntuples(res); i++)
| {
| char *path = PQgetvalue(res, i, 0);
| int filesize = atoi(PQgetvalue(res, i, 1));
| bool isdir = (strcmp(PQgetvalue(res, i, 2), "t") == 0);
| char *link_target = PQgetvalue(res, i, 3);
| file_type_t type;
|
|+ if (PQgetisnull(res, 0, 1))
...
|+ continue;

Every other access to "res" in this loop is to res(i), which I believe is what
was intended here, too. Currently, it will dumbly loop but skip *every* row if
the 2nd column (1: size) of the first row (0) is null.

--
Justin