RSpec
Ruby on Rails
Ruby
method
references
Ruby on Rails latest stable (v7.1.3.2)
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2 notes -
Class: ActiveRecord::ConnectionAdapters::Table
- 1.0.0
- 1.1.6
- 1.2.6
- 2.0.3
- 2.1.0 (0)
- 2.2.1 (0)
- 2.3.8 (0)
- 3.0.0 (0)
- 3.0.9 (-2)
- 3.1.0 (5)
- 3.2.1 (0)
- 3.2.8 (0)
- 3.2.13 (0)
- 4.0.2 (-4)
- 4.1.8 (0)
- 4.2.1 (31)
- 4.2.7 (-38)
- 4.2.9 (0)
- 5.0.0.1 (4)
- 5.1.7 (0)
- 5.2.3 (0)
- 6.0.0
- 6.1.3.1
- 6.1.7.7
- 7.0.0
- 7.1.3.2
- 7.1.3.4
- What's this?
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new
(<= v5.2.3)
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belongs_to
(<= v5.2.3)
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change
(<= v5.2.3)
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change_default
(<= v5.2.3)
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column
(<= v5.2.3)
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column_exists?
(<= v5.2.3)
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foreign_key
(<= v5.2.3)
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foreign_key_exists?
(<= v5.2.3)
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index
(<= v5.2.3)
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index_exists?
(<= v5.2.3)
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native
(<= v4.2.9)
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references
(<= v5.2.3)
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remove
(<= v5.2.3)
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remove_belongs_to
(<= v5.2.3)
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remove_index
(<= v5.2.3)
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remove_references
(<= v5.2.3)
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remove_timestamps
(<= v5.2.3)
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rename
(<= v5.2.3)
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rename_index
(<= v5.2.3)
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timestamps
(<= v5.2.3)
= private
= protected
references(*args, **options)
public
Adds a reference.
t.references(:user) t.belongs_to(:supplier, foreign_key: true)
See {connection.add_reference}[rdoc-ref:SchemaStatements#add_reference] for details of the options you can use.
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avit -
August 22, 2008
apsoto -
April 23, 2015
avit -
August 22, 2008
4 thanks
Doesn't add an index
Typically you will want to have an index on foreign keys but this method doesn’t assume that. Outside of the create_table block you should follow this with add_index :
add_index :table_name, :goat_id # and, if polymorphic: add_index :table_name, :goat_type
apsoto -
April 23, 2015
0 thanks
add index directly
You can add an index now directly on the foreign_key :
t.references(:user, index: true)
