table_create Users TABLE_HASH_KEY ShortText
column_create Users full_name COLUMN_SCALAR ShortText

table_create Bookmarks TABLE_HASH_KEY ShortText
column_create Bookmarks users COLUMN_VECTOR Users

load --table Users
[
{"_key": "mori", "full_name": "Daijiro MORI"},
{"_key": "s-yata", "full_name": "Susumu Yata"}
]

load --table Bookmarks
[
{"_key": "http://groonga.org/", "users": ["mori", "s-yata"]}
]

select Bookmarks --output_columns _key,users.full_name --output_type xml
