Questions tagged [activerecord]

9

votes

3

answers

How would you do this Rails sub-query using Squeel?

asked 2013-08-01T12:38:42.683

82

votes

5

answers

Regular expressions with validations in RoR 4

ruby-on-rails ruby activerecord

asked 2013-07-20T07:11:41.367

8

votes

1

answers

Using OrientDB's JDBC driver with ActiveRecord

ruby-on-rails activerecord jdbc jruby orientdb

asked 2013-07-13T12:32:20.777

9

votes

1

answers

Active Record set_table_name error for .sqlite file

ruby sqlite activerecord ruby-on-rails-4

asked 2013-07-05T23:38:12.403

35

votes

3

answers

How to use Rails 4 strong parameters with has_many :through association?

activerecord many-to-many ruby-on-rails-4 strong-parameters

asked 2013-07-02T21:39:48.323

9

votes

1

answers

ActiveRecord::AssociationTypeMismatch: User expected, got Fixnum

ruby-on-rails activerecord ruby-on-rails-3.2

asked 2013-06-27T13:50:15.093

31

votes

4

answers

value_to_boolean deprecated; what's a good replacement?

ruby-on-rails activerecord ruby-on-rails-3.2 deprecated

asked 2013-05-31T00:33:12.807

10

votes

1

answers

ActiveRecord test Greater/Lesser Than inside Hash Condition

activerecord hash compare conditional-statements where-clause

asked 2013-05-17T13:02:10.580

8

votes

1

answers

How do I sort a table by the maximum value of associated records?

ruby-on-rails ruby-on-rails-3 activerecord rails-activerecord

asked 2013-05-11T02:46:28.353

12

votes

2

answers

AssociationTypeMismatch for the same model

ruby-on-rails activerecord ruby-on-rails-3.2

asked 2013-04-09T18:26:17.537

25

votes

5

answers

Rails Associations has_one Latest Record

ruby-on-rails activerecord associations

asked 2013-04-05T00:32:37.997

11

votes

3

answers

How to join on subqueries using ARel?

sql ruby-on-rails-3 activerecord ruby-on-rails-3.2 arel

asked 2013-04-03T13:47:30.643

16

votes

3

answers

Making a tree structure in django models?

python django activerecord django-models

asked 2013-03-18T20:41:11.113

149

votes

4

answers

How to convert ActiveRecord results into an array of hashes

arrays activerecord hash

asked 2013-03-15T08:40:27.103

13

votes

2

answers

has_one through and polymorphic associations over multi-table inheritance

ruby-on-rails activerecord polymorphic-associations multi-table-inheritance

asked 2013-03-14T17:45:42.600

53

votes

5

answers

How to make Active Record join return unique objects?

ruby-on-rails activerecord

asked 2013-03-05T17:43:40.400

16

votes

3

answers

How can you conditionally build an ActiveRecord Query in Rails?

ruby-on-rails ruby-on-rails-3 activerecord

asked 2013-01-05T20:33:53.907

15

votes

2

answers

Implementing Abstract Base Model Class, the Rails Way™

ruby-on-rails activerecord inheritance abstract-class sti

asked 2012-12-30T06:20:34.347

19

votes

3

answers

Rails: How to run before_update only for one changed attribute?

ruby-on-rails ruby-on-rails-3 activerecord beforeupdate

asked 2012-12-29T05:36:24.013

17

votes

2

answers

Use specific mysql index with rails

mysql ruby-on-rails ruby activerecord

asked 2012-12-16T18:03:46.387

9

votes

2

answers

Active Record without database

ruby-on-rails activerecord

asked 2012-12-12T11:36:41.693

18

votes

3

answers

Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connections”

ruby-on-rails activerecord heroku

asked 2012-11-30T07:37:25.067

8

votes

1

answers

How to generate database schema graph for one application using ActiveRecord?

ruby-on-rails ruby database activerecord schema

asked 2012-10-30T07:04:14.663

8

votes

1

answers

Thinking in Ruby

ruby-on-rails ruby activerecord

asked 2012-10-23T16:48:22.703

9

votes

2

answers

connection.select_value only returns strings in postgres with pg gem

mysql ruby-on-rails-3 postgresql activerecord pg

asked 2012-09-24T19:04:56.843

23

votes

2

answers

Rails: How to use before_save to change a field value based on another field?

ruby-on-rails-3 activerecord

asked 2012-08-02T17:46:07.413

10

votes

2

answers

Check to See if A Particular Active Record Object Is In A Particular 'Scope'

ruby-on-rails activerecord

asked 2012-07-29T17:36:19.700

9

votes

3

answers

Rails creating schema_migrations - Mysql2::Error: Specified key was too long

mysql ruby-on-rails activerecord rails-migrations

asked 2012-07-25T07:34:40.583

26

votes

6

answers

Ruby on Rails ActiveRecord where property is not blank

ruby-on-rails ruby-on-rails-3 activerecord

asked 2012-07-22T10:42:45.527

14

votes

6

answers

Yii selecting only specified attributes in array

php activerecord yii

asked 2012-07-19T17:42:58.223

8

votes

2

answers

Securely escaping dynamic table names in MySQL using Codeigniter

php mysql security codeigniter activerecord

asked 2012-07-17T19:44:12.630

14

votes

3

answers

unknown attribute: user_id

ruby-on-rails ruby activerecord

asked 2012-07-17T19:23:03.603

8

votes

4

answers

Rails STI association with subclasses

sql ruby-on-rails activerecord sti

asked 2012-06-20T11:21:05.817

13

votes

3

answers

Ruby on Rails order by id (and version?)

ruby-on-rails ruby ruby-on-rails-3 activerecord

asked 2012-06-15T19:58:56.877

62

votes

3

answers

What is the order of ActiveRecord callbacks and validations?

ruby-on-rails ruby-on-rails-3 validation activerecord

asked 2012-06-10T14:51:51.567

9

votes

2

answers

Rails 3 Order By Count on has_many :through

ruby ruby-on-rails-3 activerecord tagging

asked 2012-06-08T23:09:56.897

39

votes

5

answers

How to use OR condition in ActiveRecord query

ruby-on-rails ruby-on-rails-3 activerecord

asked 2012-06-03T14:27:37.847

19

votes

4

answers

How can I iterate through a MySQL result set?

mysql ruby activerecord ruby-on-rails-3.2

asked 2012-05-31T15:39:01.937

8

votes

4

answers

rails ActiveRecord find in console

ruby-on-rails ruby-on-rails-3 activerecord

asked 2012-05-19T01:28:14.820

10

votes

1

answers

Rails app connection pool size, avoiding max pool size issues

ruby-on-rails ruby activerecord jruby

asked 2012-05-03T16:30:35.330

11

votes

2

answers

Rails 3. sort by associated model

ruby-on-rails ruby activerecord

asked 2012-04-26T15:00:46.163

11

votes

2

answers

How to update only specific fields of an active record in Yii?

php activerecord yii model sql-update

asked 2012-04-23T06:01:05.690

17

votes

5

answers

How do I save a current date/time for a DATETIME column in rails 3?

ruby-on-rails ruby ruby-on-rails-3 activerecord

asked 2012-04-18T15:10:16.517

107

votes

6

answers

Rails filtering array of objects by attribute value

ruby-on-rails activerecord

asked 2012-04-09T06:58:48.523

21

votes

8

answers

How to implement a BETWEEN condition in a WHERE clause with CodeIgniter active record

php codeigniter activerecord where-clause between

asked 2012-03-30T10:48:32.143

24

votes

6

answers

Rails: How to get objects with at least one child?

ruby-on-rails activerecord

asked 2012-03-29T09:42:41.270

10

votes

3

answers

Return false and rollback in after_save callback

ruby-on-rails activerecord

asked 2012-03-26T17:02:43.997

16

votes

2

answers

How to disable password/confirmation validations when using has_secure_password in Rails 3.2?

ruby-on-rails validation activerecord ruby-on-rails-3.2

asked 2012-03-18T07:08:49.637

15

votes

3

answers

Rails how to set a temporary variable that's not a database field

ruby-on-rails activerecord

asked 2012-03-14T06:37:31.607

289

votes

14

answers

Rails: select unique values from a column

ruby-on-rails activerecord

asked 2012-03-11T21:04:28.410

Questions tagged activerecord