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我已成功安裝PostGIS並使用postgres_ext gem來添加支持Rails postgis ActiveRecord適配器，但是當我嘗試在我的遷移中使用Postgres數組列類型時，它失敗：使用Postgres_ext和postgis適配器不能與數組列一起工作
t.string :pets, :array => true, :limit => 12
和錯誤：
rake aborted!
An error has occurred, this and all later migrations canceled:
undefined method `array' for #<ActiveRecord::ConnectionAdapters::ColumnDefinition:0x007fa8357b3308>
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activesupport-3.2.9/lib/active_support/core_ext/object/try.rb:36:in `try'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/postgres_ext-0.0.9/lib/postgres_ext/active_record/connection_adapters/postgres_adapter.rb:197:in `add_column_options!'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/schema_definitions.rb:38:in `add_column_options!'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/connection_adapters/abstract/schema_definitions.rb:31:in `to_sql'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-postgis-adapter-0.4.3/lib/active_record/connection_adapters/postgis_adapter/spatial_table_definition.rb:76:in `block in to_sql'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-postgis-adapter-0.4.3/lib/active_record/connection_adapters/postgis_adapter/spatial_table_definition.rb:76:in `map'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-postgis-adapter-0.4.3/lib/active_record/connection_adapters/postgis_adapter/spatial_table_definition.rb:76:in `to_sql'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-postgis-adapter-0.4.3/lib/active_record/connection_adapters/postgis_adapter/main_adapter.rb:192:in `create_table'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/migration.rb:466:in `block in method_missing'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/migration.rb:438:in `block in say_with_time'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/migration.rb:438:in `say_with_time'
/Users/avishai/.rvm/gems/ruby-1.9.3-p194/gems/activerecord-3.2.9/lib/active_record/migration.rb:458:in `method_missing'
的Gemfile：
gem "rails", "~> 3.2.9"
gem "airbrake"
gem "pg"
gem "postgres_ext"
gem "activerecord-postgis-adapter"
gem "activerecord-postgres-array", "~> 0.0.8"
任何想法的想法如何解決這個問題？