--- /dev/null
+use strict;
+use warnings;
+
+use FindBin;
+use lib "$FindBin::Bin/../../lib";
+use Test::SQL::Abstract::Util qw/
+ mk_name
+ mk_value
+ mk_expr
+ field_op_value
+ :dumper_sort
+/;
+
+use SQL::Abstract::Compat;
+
+use Test::More tests => 2;
+use Test::Differences;
+
+ok(my $visitor = SQL::Abstract::Compat->new);
+
+
+my $foo_id = { -type => 'identifier', elements => [qw/foo/] };
+my $bar_id = { -type => 'identifier', elements => [qw/bar/] };
+
+my $foo_eq_1 = field_op_value($foo_id, '==', 1);
+my $bar_eq_str = field_op_value($bar_id, '==', 'some str');
+
+local $TODO = 'Work out what this should be';
+eq_or_diff
+ $visitor->update_ast('test', { foo => 1 }),
+ { -type => 'update',
+ tablespec => mk_name('test'),
+
+ },
+ "simple update";
+
+
+