DBD-SQLite: added a test for RT #36838; seems no problem for me, though

t/rt_36838_unique_and_bus_error.t

@@ -0,0 +1,19 @@
+#!/usr/bin/perl
+
+use strict;
+BEGIN {
+	$|  = 1;
+	$^W = 1;
+}
+
+use Test::More tests => 3;
+use t::lib::Test;
+
+my $dbh = connect_ok( RaiseError => 1 );
+
+$dbh->do("CREATE TABLE nums (num INTEGER UNIQUE)");
+
+ok $dbh->do("INSERT INTO nums (num) VALUES (?)", undef, 1);
+
+eval { $dbh->do("INSERT INTO nums (num) VALUES (?)", undef, 1); };
+ok $@ =~ /column num is not unique/, $@;  # should not be a bus error