Bump to pg_query 2.0.0, adds Postgresql 13 support

Fixes #22

Gemfile

@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "pg_query", ">= 1.0", "< 2"
+gem "pg_query", ">= 1.0", "< 3"
 
 group :development do
   gem "rspec"

Gemfile.lock

@@ -1,27 +1,29 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    diff-lcs (1.3)
-    pg_query (1.2.0)
-    rspec (3.9.0)
-      rspec-core (~> 3.9.0)
-      rspec-expectations (~> 3.9.0)
-      rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.0)
+    diff-lcs (1.4.4)
+    google-protobuf (3.15.6)
+    pg_query (2.0.1)
+      google-protobuf (~> 3.15.5)
+    rspec (3.10.0)
+      rspec-core (~> 3.10.0)
+      rspec-expectations (~> 3.10.0)
+      rspec-mocks (~> 3.10.0)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-mocks (3.9.1)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
+      rspec-support (~> 3.10.0)
+    rspec-support (3.10.2)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  pg_query (>= 1.0, < 2)
+  pg_query (>= 1.0, < 3)
   rspec
 
 BUNDLED WITH

lib/sqlint/version.rb

@@ -1,3 +1,3 @@
 module SQLint
-  VERSION = "0.1.10"
+  VERSION = "0.2.0"
 end

spec/linter_spec.rb

@@ -25,6 +25,20 @@ def warning(line, col, msg)
     end
   end
 
+  context "with valid PG 12 syntax" do
+    let(:input) do <<-EOF
+      CREATE TABLE things (
+        x_in numeric,
+        x_cm numeric GENERATED ALWAYS AS (x / 2.54) STORED
+      );
+      EOF
+    end
+
+    it "reports no errors" do
+      expect(results).to be_empty
+    end
+  end
+
   describe "single errors" do
     context "with a single valid statement" do
       it "reports no errors" do

sqlint.gemspec

@@ -36,7 +36,7 @@ Gem::Specification.new do |s|
   s.rubygems_version = '1.8.23'
   s.summary = 'Simple SQL linter.'
 
-  s.add_runtime_dependency('pg_query', '~> 1')
+  s.add_runtime_dependency('pg_query', '~> 2')
   s.add_development_dependency('rake', '~> 10.1')
   s.add_development_dependency('rspec', '~> 3.2')
   s.add_development_dependency('bundler', '~> 1.3')