RSpec
Ruby on Rails
Ruby
method
change_null
v7.0.0 -
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Class: Table
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- What's this?
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new
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belongs_to
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change
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change_default
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change_null
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check_constraint
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check_constraint_exists?
(>= v7.1.3.2)
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column
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column_exists?
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foreign_key
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foreign_key_exists?
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index
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index_exists?
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raise_on_if_exist_options
(>= v7.1.3.2)
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references
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remove
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remove_belongs_to
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remove_check_constraint
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remove_foreign_key
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remove_index
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remove_references
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remove_timestamps
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rename
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rename_index
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timestamps
= private
= protected
change_null(column_name, null, default = nil)
public
Sets or removes a NOT NULL constraint on a column.
t.change_null(:qualification, true) t.change_null(:qualification, false, 0)
See {connection.change_column_null}[rdoc-ref:SchemaStatements#change_column_null]
