table_create Tags TABLE_PAT_KEY ShortText
[[0,0.0,0.0],true]
table_create Memos TABLE_HASH_KEY ShortText
[[0,0.0,0.0],true]
column_create Memos tags COLUMN_VECTOR Tags
[[0,0.0,0.0],true]
load --table Memos
[
{"_key": "Rroonga", "tags": ["Groonga", "Ruby"]},
{"_key": "Groonga", "tags": ["Groonga"]},
{"_key": "Blank", "tags": [""]}
]
[[0,0.0,0.0],3]
select Memos --output_columns 'tags'
[
  [
    0,
    0.0,
    0.0
  ],
  [
    [
      [
        3
      ],
      [
        [
          "tags",
          "Tags"
        ]
      ],
      [
        [
          "Groonga",
          "Ruby"
        ]
      ],
      [
        [
          "Groonga"
        ]
      ],
      [
        [
          ""
        ]
      ]
    ]
  ]
]
