Datamapper DataMapper → 0.10.0

Comments and changes to this ticket

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  ronin-15404 (at lighthouseapp) June 8th, 2009 @ 10:12 AM

  It actually seems to be the validation that's doing the SELECT. If you use #save! instead of #save, it will update properly. If you run book.valid? the SELECT will come up and overwrite the change.

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  ronin-15404 (at lighthouseapp) June 8th, 2009 @ 10:14 AM

  • Tag changed from “datamapper, discriminator” to “datamapper, discriminator, validations”
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  Martin Gamsjaeger (snusnu) July 9th, 2009 @ 02:52 PM

  • State changed from “new” to “resolved”
  • Milestone set to “0.10.0”

  I just ran that script using current next branches and I cannot reproduce the error. Here's what I get (I had to change the require statements to require "dm-core" instead of require "datamapper" inside your dm-bug.rb file). I'm marking this as resolved for 0.10, feel free to reopen the discussion.

  mungo:Downloads snusnu$ ruby dm-bug.rb 
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000181) SELECT sqlite_version(*)
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000149) DROP TABLE IF EXISTS "products"
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000033) PRAGMA table_info("products")
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000499) CREATE TABLE "products" ("id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, "price" FLOAT, "type" VARCHAR, "author" VARCHAR(255))
  
  book = Book.create(:price=>9.99,:author=>"me")
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000073) INSERT INTO "products" ("price", "type", "author") VALUES (9.99, 'Book', 'me')
  => #<Book @id=1 @price=9.99 @type=Book @author="me">
  
  book = Product.first
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000067) SELECT "id", "type", "price" FROM "products" WHERE "type" IN ('Product', 'Book') ORDER BY "id" LIMIT 1
  => #<Book @id=1 @price=9.99 @type=Book @author=<not loaded>>
  
  book.price = "$5.50"
  => $5.50
  
  book.save
  Thu, 09 Jul 2009 19:47:57 GMT ~ debug ~ (0.000052) UPDATE "products" SET "price" = '$5.50' WHERE "id" = 1
  => true
  
  book
  => #<Book @id=1 @price="$5.50" @type=Book @author=<not loaded>>