From 87073feb8a60e2d6f7791b18765280cc78440fdc Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Mon, 11 Nov 2019 00:22:33 -0500
Subject: [PATCH] Bug 1546840 - Allow GloDa queries for read or unread messages

Tag #1273
---
 mailnews/db/gloda/modules/explattr.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mailnews/db/gloda/modules/explattr.js b/mailnews/db/gloda/modules/explattr.js
index 08fc160f6c..851f88a11f 100644
--- a/mailnews/db/gloda/modules/explattr.js
+++ b/mailnews/db/gloda/modules/explattr.js
@@ -99,6 +99,8 @@ var GlodaExplicitAttr = {
                         extensionName: Gloda.BUILT_IN,
                         attributeType: Gloda.kAttrExplicit,
                         attributeName: "read",
+                        // Make the message query-able but without using the database.
+                        canQuery: "truthy-but-not-true",
                         singular: true,
                         subjectNouns: [Gloda.NOUN_MESSAGE],
                         objectNoun: Gloda.NOUN_BOOLEAN,