[英]Why am I receiving a ActiveRecord::StatementInvalid in Connections#index error?
[英]Why am I receiving an ActiveRecord::StatementInvalid: PG::SyntaxError: ERROR when using a boolean field in a rails app with Postgresql?
我正在開發一個rails API並使用Heroku。 所有環境都使用Postgres。 我在rake db中遇到了同樣的錯誤:setup和rake db:test:prepare(以及'heroku run rake db:setup')。 當我第一次嘗試推送到Heroku時,這個問題最初出現了。 我在本地使用mysql。 因為已經將開發和測試遷移到postgres以避免將來出現類似的驚喜......
$ rake db:test:prepare
rake aborted!
ActiveRecord::StatementInvalid: PG::SyntaxError: ERROR: syntax error at or near "("
LINE 1: ...r, "borrower_id" integer, "lenderAccepted" boolean(1), "crea...
^
: CREATE TABLE "bookings" ("id" serial primary key, "pickup" timestamp, "hoursBooked" integer, "lender_id" integer, "borrower_id" integer, "lenderAccepted" boolean(1), "created_at" timestamp NOT NULL, "updated_at" timestamp NOT NULL, "equipment_id" integer)
這是遷移:
class CreateBookings < ActiveRecord::Migration
def change
create_table :bookings do |t|
t.datetime :pickup
t.integer :hoursBooked
t.references :lender, index: true
t.references :borrower, index: true
t.boolean :lenderAccepted
t.timestamps null: false
end
add_foreign_key :bookings, :lenders
add_foreign_key :bookings, :borrowers
end
end
這是我的寶石文件:
source 'https://rubygems.org'
gem 'rails', '4.2.0'
gem 'sass-rails', '5.0.0.beta1'
gem 'uglifier', '2.5.3'
gem 'coffee-rails', '4.1.0'
gem 'jquery-rails', '4.0.0.beta2'
gem 'turbolinks', '2.3.0'
gem 'jbuilder', '2.2.3'
gem 'devise', '3.4.1'
gem 'sdoc', '0.4.0', group: :doc
gem 'pg', '0.17.1'
gem 'bcrypt-ruby', '3.1.1.rc1', :require => 'bcrypt'
group :development, :test do
gem 'byebug', '3.4.0'
gem 'web-console', '2.0.0.beta2'
gem 'spring', '1.1.3'
end
group :production do
gem 'rails_12factor', '0.0.2'
end
group :test do
gem 'minitest-reporters', '1.0.5'
gem 'mini_backtrace', '0.1.3'
gem 'guard-minitest', '2.3.1'
end
使用:
感謝您提供的任何幫助。
法案
PS,添加生成的架構:
create_table "bookings", force: :cascade do |t|
t.datetime "pickup"
t.integer "hoursBooked", limit: 4
t.integer "lender_id", limit: 4
t.integer "borrower_id", limit: 4
t.boolean "lenderAccepted", limit: 1
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "equipment_id", limit: 4
end
add_index "bookings", ["borrower_id"], name: "index_bookings_on_borrower_id", using: :btree
add_index "bookings", ["equipment_id"], name: "index_bookings_on_equipment_id", using: :btree
add_index "bookings", ["lender_id"], name: "index_bookings_on_lender_id", using: :btree
由於AR + mysql偽造布爾字段的方式,這是Rails中的一個錯誤。 我為此做了一個補丁:) https://github.com/rails/rails/issues/19065
勝利是mu太短了! 感謝您的深刻見解!
似乎問題是我使用mysql時運行的原始db:migration對postgres來說是不可接受的。 從遷移和模式中注釋掉字段,然后在新的遷移下將它們添加回來修復了所有...
class AddBackBooleansMigration < ActiveRecord::Migration
def change
add_column :bookings, :lender_accepted, :boolean
# other similar boolean adds
end
end
新架構:
create_table "bookings", force: :cascade do |t|
...
t.boolean "lender_accepted"
end
耙它直到你成功。
$ rake db:migrate
== 20150105131615 AddBackBooleansMigration: migrating =========================
-- add_column(:bookings, :lender_accepted, :boolean)
-> 0.0333s
...
== 20150105131615 AddBackBooleansMigration: migrated (0.0370s) ================
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