method
column_exists?
v5.1.7 -
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- Class:
ActiveRecord::ConnectionAdapters::Table
column_exists?(column_name, type = nil, options = {})public
Checks to see if a column exists.
t.string(:name) unless t.column_exists?(:name, :string)
See {connection.column_exists?}[rdoc-ref:SchemaStatements#column_exists?]