Merge pull request #33 from jcsjcs/deparse_limit

Deparse LIMIT and OFFSET.
pganalyze · Aug 27, 2015 · 88fab84 · 88fab84
2 parents 6c8cb61 + 37eef89
commit 88fab84
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diff --git a/lib/pg_query/deparse.rb b/lib/pg_query/deparse.rb
@@ -564,6 +564,16 @@ def deparse_select(node) # rubocop:disable Metrics/CyclomaticComplexity
         end.join(', ')
       end
 
+      if node['limitCount']
+        output << 'LIMIT'
+        output << deparse_item(node['limitCount'])
+      end
+
+      if node['limitOffset']
+        output << 'OFFSET'
+        output << deparse_item(node['limitOffset'])
+      end
+
       output.join(' ')
     end
 

diff --git a/spec/lib/pg_query/deparse_spec.rb b/spec/lib/pg_query/deparse_spec.rb
@@ -191,6 +191,16 @@
         let(:query) { "SELECT a, b, max(c) FROM c WHERE d = 1 GROUP BY a, b" }
         it { is_expected.to eq query }
       end
+
+      context 'LIMIT' do
+        let(:query) { "SELECT * FROM x LIMIT 50" }
+        it { is_expected.to eq query }
+      end
+
+      context 'OFFSET' do
+        let(:query) { "SELECT * FROM x OFFSET 50" }
+        it { is_expected.to eq query }
+      end
     end
 
     context 'type cast' do