# HG changeset patch
# User Timo Sirainen <timo.sirainen@dovecot.fi>
# Date 1496178466 -10800
# Node ID ca4bf2b2392bf90cd960ad7dfdba7c25816e43ab
# Parent  98e35a5592b1523892d1be5b530aba8c3bda4c29
imapc: Don't send UID FETCH 1:* after SELECT if mailbox is empty

diff -r 98e35a5592b1 -r ca4bf2b2392b src/lib-storage/index/imapc/imapc-sync.c
--- a/src/lib-storage/index/imapc/imapc-sync.c	Wed May 31 00:00:32 2017 +0300
+++ b/src/lib-storage/index/imapc/imapc-sync.c	Wed May 31 00:07:46 2017 +0300
@@ -401,6 +401,11 @@
 {
 	string_t *cmd = t_str_new(64);
 
+	if (ctx->mbox->exists_count == 0) {
+		/* empty mailbox - no point in fetching anything */
+		return;
+	}
+
 	str_printfa(cmd, "UID FETCH %u:* (FLAGS", first_uid);
 	if (imapc_mailbox_has_modseqs(ctx->mbox)) {
 		str_append(cmd, " MODSEQ");