{
  "schema_version": "1.0",
  "provider": "calcofi",
  "dataset": "calcofi-db-release",
  "primary_keys": {
    "cruise": "cruise_key",
    "ship": "ship_key",
    "site": "site_uuid",
    "tow": "tow_uuid",
    "net": "net_uuid",
    "species": "species_id",
    "ichthyo": "ichthyo_uuid",
    "lookup": "lookup_id",
    "casts": "cast_id",
    "bottle": "bottle_id",
    "bottle_measurement": "bottle_measurement_id",
    "cast_condition": "cast_condition_id",
    "measurement_type": "measurement_type",
    "ctd_summary": "ctd_summary_uuid",
    "dic_measurement": "dic_measurement_id"
  },
  "foreign_keys": [
    {
      "table": "ichthyo",
      "column": "net_uuid",
      "ref_table": "net",
      "ref_column": "net_uuid"
    },
    {
      "table": "ichthyo",
      "column": "species_id",
      "ref_table": "species",
      "ref_column": "species_id"
    },
    {
      "table": "net",
      "column": "tow_uuid",
      "ref_table": "tow",
      "ref_column": "tow_uuid"
    },
    {
      "table": "tow",
      "column": "site_uuid",
      "ref_table": "site",
      "ref_column": "site_uuid"
    },
    {
      "table": "site",
      "column": "cruise_key",
      "ref_table": "cruise",
      "ref_column": "cruise_key"
    },
    {
      "table": "cruise",
      "column": "ship_key",
      "ref_table": "ship",
      "ref_column": "ship_key"
    },
    {
      "table": "bottle",
      "column": "cast_id",
      "ref_table": "casts",
      "ref_column": "cast_id"
    },
    {
      "table": "bottle_measurement",
      "column": "bottle_id",
      "ref_table": "bottle",
      "ref_column": "bottle_id"
    },
    {
      "table": "bottle_measurement",
      "column": "measurement_type",
      "ref_table": "measurement_type",
      "ref_column": "measurement_type"
    },
    {
      "table": "cast_condition",
      "column": "cast_id",
      "ref_table": "casts",
      "ref_column": "cast_id"
    },
    {
      "table": "cast_condition",
      "column": "condition_type",
      "ref_table": "measurement_type",
      "ref_column": "measurement_type"
    },
    {
      "table": "dic_measurement",
      "column": "measurement_type",
      "ref_table": "measurement_type",
      "ref_column": "measurement_type"
    },
    {
      "table": "dic_measurement_summary",
      "column": "measurement_type",
      "ref_table": "measurement_type",
      "ref_column": "measurement_type"
    },
    {
      "table": "casts",
      "column": "cruise_key",
      "ref_table": "cruise",
      "ref_column": "cruise_key"
    },
    {
      "table": "casts",
      "column": "ship_key",
      "ref_table": "ship",
      "ref_column": "ship_key"
    },
    {
      "table": "casts",
      "column": "grid_key",
      "ref_table": "grid",
      "ref_column": "grid_key"
    }
  ]
}