get LIKE / NOT LIKE to work with deparser

lib/pg_query/deparse.rb

@@ -36,6 +36,8 @@ def deparse_item(item, context = nil) # rubocop:disable Metrics/CyclomaticComple
           deparse_aexpr_any(node)
         when AEXPR_IN
           deparse_aexpr_in(node)
+        when CONSTR_TYPE_FOREIGN
+          deparse_aexpr_like(node)
         else
           fail format("Can't deparse: %s: %s", type, node.inspect)
         end
@@ -312,6 +314,12 @@ def deparse_aexpr_in(node)
       format('%s %s (%s)', deparse_item(node['lexpr']), operator, rexpr.join(', '))
     end
 
+   def deparse_aexpr_like(node)
+      value = deparse_item(node['rexpr'])
+      operator = node['name'].map { |n| deparse_item(n, :operator) } == ['~~'] ? 'LIKE' : 'NOT LIKE'
+      format('%s %s %s', deparse_item(node['lexpr']), operator, value)
+    end
+
     def deparse_bool_expr_not(node)
       format('NOT %s', deparse_item(node['args'][0]))
     end

spec/lib/pg_query/deparse_spec.rb

@@ -23,6 +23,16 @@
         it { is_expected.to eq oneline_query }
       end
 
+      context 'with LIKE filter' do
+        let(:query) { "SELECT * FROM \"users\" WHERE \"name\" LIKE 'postgresql:%';" }
+        it { is_expected.to eq oneline_query }
+      end
+
+      context 'with NOT LIKE filter' do
+        let(:query) { "SELECT * FROM \"users\" WHERE \"name\" NOT LIKE 'postgresql:%';" }
+        it { is_expected.to eq oneline_query }
+      end
+
       context 'simple WITH statement' do
         let(:query) { 'WITH t AS (SELECT random() AS x FROM generate_series(1, 3)) SELECT * FROM "t"' }
         it { is_expected.to eq query }