- types
- end
-
- def myisam_table
- return { :id => false, :force => true, :options => ""}
- end
-
- def innodb_table
- return { :id => false, :force => true, :options => ""}
- end
-
- def innodb_option
- return ""
- end
-
- def change_engine (table_name, engine)
- end
-
- def add_fulltext_index (table_name, column)
- execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
- end
-
- def enumerations
- @enumerations ||= Hash.new
- end
-
- def create_enumeration(enumeration_name, values)
- enumerations[enumeration_name] = values
- execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
- end
-
- def drop_enumeration(enumeration_name)
- execute "DROP TYPE #{enumeration_name}"
- enumerations.delete(enumeration_name)
- end
-
- def rename_enumeration(old_name, new_name)
- execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
- end
-
- def alter_primary_key(table_name, new_columns)
- execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
- execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
- end
-
- def interval_constant(interval)
- "'#{interval}'::interval"
- end
-
- def add_index(table_name, column_name, options = {})
- column_names = Array(column_name)
- index_name = index_name(table_name, :column => column_names)
-
- if Hash === options # legacy support, since this param was a string
- index_type = options[:unique] ? "UNIQUE" : ""
- index_name = options[:name] || index_name
- index_method = options[:method] || "BTREE"
- else
- index_type = options
- end
-
- quoted_column_names = column_names.map { |e| quote_column_name(e) }
- if Hash === options and options[:lowercase]
- quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
- end
- if Hash === options and options[:columns]
- quoted_column_names = quoted_column_names + Array[options[:columns]]