From 44528d3fef1d0a380af5b4d5c709484a64494eee Mon Sep 17 00:00:00 2001
From: yuriyz-w <65344339+yuriyz-w@users.noreply.github.com>
Date: Fri, 15 May 2020 10:19:55 +0300
Subject: [PATCH] Make SQL query more generic for MSSQL compatibility (#3271)

---
 src/node_flat_sql.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/node_flat_sql.erl b/src/node_flat_sql.erl
index 05cfa12b3..461c701aa 100644
--- a/src/node_flat_sql.erl
+++ b/src/node_flat_sql.erl
@@ -897,12 +897,12 @@ select_affiliation_subscriptions(Nidx, GenKey, SubKey) ->
     GJ = encode_jid(GenKey),
     SJ = encode_jid(SubKey),
     case catch ejabberd_sql:sql_query_t(
-	?SQL("select jid = %(GJ)s as @(G)b, @(affiliation)s, @(subscriptions)s from "
+	?SQL("select @(jid)s, @(affiliation)s, @(subscriptions)s from "
 	     " pubsub_state where nodeid=%(Nidx)d and jid in (%(GJ)s, %(SJ)s)"))
     of
 	{selected, Res} ->
 	    lists:foldr(
-		fun({true, A, S}, {_, Subs}) ->
+		fun({Jid, A, S}, {_, Subs}) when Jid == GJ ->
 		    {decode_affiliation(A), Subs ++ decode_subscriptions(S)};
 		   ({_, _, S}, {Aff, Subs}) ->
 		       {Aff, Subs ++ decode_subscriptions(S)}