pictures.json

{
    "namespace": "unittest",
    "databases": [
      {
        "name": "db",
        "desc": "The database where all pictures info are stored.",
        "tables": [
          {
            "name": "tb",
            "desc": "The table where all pictures info are stored.",
            "columns" : [
              {
                "name": "id",
                "type": "int",
                "primary_key": true,
                "auto_increment": true,
                "not_null": true,
                "desc": "The Unique ID of the picture"
              },
              {
                "name": "path",
                "type": "text",
                "desc": "the path of the picture",
                "not_null": true
              },
              {
                "name": "type",
                "type": "text",
                "desc": "The image type, e.g. jpg, png, gif...",
                "default": "unknown"
              },
              {
                "name": "size",
                "type": "bigint",
                "desc": "The size of the picture file",
                "default": 0
              },
              {
                "name": "md5",
                "type": "text",
                "desc": "The MD5 checksum of the picture"
              },
              {
                "name": "data",
                "type": "blob",
                "desc": "The image file data"
              }
            ]
          }
        ]
      }
    ]
}