fix schema dumper with low_cardinality

lib/clickhouse-activerecord/schema_dumper.rb

@@ -168,10 +168,15 @@ def schema_array(column)
       (column.sql_type =~ /Array?\(/).nil? ? nil : true
     end
 
+    def schema_low_cardinality(column)
+      (column.sql_type =~ /LowCardinality?\(/).nil? ? nil : true
+    end
+
     def prepare_column_options(column)
       spec = {}
       spec[:unsigned] = schema_unsigned(column)
       spec[:array] = schema_array(column)
+      spec[:low_cardinality] = schema_low_cardinality(column)
       spec.merge(super).compact
     end
 

lib/clickhouse-activerecord/version.rb

@@ -1,3 +1,3 @@
 module ClickhouseActiverecord
-  VERSION = '1.0.11'
+  VERSION = '1.0.12'
 end

spec/fixtures/migrations/dsl_create_view_without_id/1_create_some_table.rb

@@ -0,0 +1,7 @@
+class CreateSomeTable < ActiveRecord::Migration[7.1]
+  def change
+    create_table :some, id: false, options: 'MergeTree ORDER BY col' do |t|
+      t.string :col, null: false
+    end
+  end
+end

spec/fixtures/migrations/dsl_table_creation/1_create_some_table.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CreateSomeTable < ActiveRecord::Migration[5.0]
+class CreateSomeTable < ActiveRecord::Migration[7.1]
   def up
     create_table :some do
 

spec/single/migration_spec.rb

@@ -58,6 +58,19 @@
           end
         end
 
+        context 'without id' do
+          let(:directory) { 'dsl_create_view_without_id' }
+          it 'creates a table' do
+            subject
+
+            current_schema = schema(model)
+
+            expect(current_schema.keys.count).to eq(1)
+            expect(current_schema).to_not have_key('id')
+            expect(current_schema['col'].sql_type).to eq('String')
+          end
+        end
+
         context 'with buffer table' do
           let(:directory) { 'dsl_table_buffer_creation' }
           it 'creates a table' do