Merge pull request #29462 from kamipo/fix_dump_schema_information_with_empty_versions

Fix `dump_schema_information` with empty versions

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -986,7 +986,7 @@ def foreign_key_options(from_table, to_table, options) # :nodoc:
 
       def dump_schema_information #:nodoc:
         versions = ActiveRecord::SchemaMigration.order('version').pluck(:version)
-        insert_versions_sql(versions)
+        insert_versions_sql(versions) if versions.any?
       end
 
       def insert_versions_sql(versions) # :nodoc:

activerecord/test/cases/schema_dumper_test.rb

@@ -17,6 +17,12 @@ def perform_schema_dump
     dump_all_table_schema []
   end
 
+  def test_dump_schema_information_with_empty_versions
+    ActiveRecord::SchemaMigration.delete_all
+    schema_info = ActiveRecord::Base.connection.dump_schema_information
+    assert_no_match(/INSERT INTO/, schema_info)
+  end
+
   def test_dump_schema_information_outputs_lexically_ordered_versions
     versions = %w{ 20100101010101 20100201010101 20100301010101 }
     versions.reverse_each do |v|