method
unique_constraint_for!
v7.1.3.2 -
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- Class:
ActiveRecord::ConnectionAdapters::PostgreSQL::SchemaStatements
unique_constraint_for!(table_name, column: nil, **options)public
No documentation available.
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 1064
def unique_constraint_for!(table_name, column: nil, **options)
unique_constraint_for(table_name, column: column, **options) ||
raise(ArgumentError, "Table '#{table_name}' has no unique constraint for #{column || options}")
end