Method: MigrationConstraintHelpers#primary_key

Defined in:

lib/migration_helpers/lib/migration_helper.rb

#primary_key(table, field) ⇒ Object

Creates a primary key for table, which right now HAS NOT primary key defined

table: The table name field: A field (or array of fields) of the table that will be part of the primary key

# File 'lib/migration_helpers/lib/migration_helper.rb', line 30

def primary_key(table, field)
   execute "ALTER TABLE #{table} ADD PRIMARY KEY(#{field_list(field)})"
end