RSpec
Ruby on Rails
Ruby
method
foreign_key_exists?
Ruby on Rails latest stable (v6.1.7.7)
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0 notes -
Class: ActiveRecord::ConnectionAdapters::Table
- 1.0.0
- 1.1.6
- 1.2.6
- 2.0.3
- 2.1.0
- 2.2.1
- 2.3.8
- 3.0.0
- 3.0.9
- 3.1.0
- 3.2.1
- 3.2.8
- 3.2.13
- 4.0.2
- 4.1.8
- 4.2.1
- 4.2.7
- 4.2.9
- 5.0.0.1 (0)
- 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
- 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
foreign_key_exists?(*args)
public
Checks to see if a foreign key exists.
t.foreign_key(:authors) unless t.foreign_key_exists?(:authors)
See {connection.foreign_key_exists?}[rdoc-ref:SchemaStatements#foreign_key_exists?]
