{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://gmr.github.io/pglifecycle/schemata/conversion.json",
  "title": "Conversion",
  "description": "Defines a conversion between character set encodings",
  "type": "object",
  "properties": {
    "name": {
      "title": "Name",
      "description": "The name of the conversion",
      "type": "string"
    },
    "schema": {
      "title": "Schema",
      "description": "The schema for the conversion",
      "type": "string"
    },
    "owner": {
      "title": "Owner",
      "description": "The role that owns the conversion",
      "type": "string"
    },
    "sql": {
      "title": "SQL Statement",
      "description": "User-provided raw SQL snippet",
      "type": "string"
    },
    "default": {
      "title": "Default",
      "description": "Indicates that this conversion is the default for this particular source to destination encoding. There should be only one default encoding in a schema for the encoding pair.\n",
      "type": "boolean"
    },
    "encoding_from": {
      "title": "Source Encoding",
      "description": "The source encoding name.",
      "type": "string"
    },
    "encoding_to": {
      "title": "Destination Encoding",
      "description": "The destination encoding name.",
      "type": "string"
    },
    "function": {
      "title": "Destination Encoding",
      "description": "The function used to perform the conversion.",
      "type": "string"
    },
    "comment": {
      "title": "Comment",
      "description": "An optional comment about the conversion.",
      "type": "string"
    },
    "dependencies": {
      "title": "Dependencies",
      "description": "Objects this object depends on, for the cases the dependency graph cannot infer: an ordering the topological sort would otherwise get wrong, such as a foreign key between tables or an inheritance parent.\nEach entry names an object as `schema.name`, or unqualified for a schemaless type. A function or aggregate carries its argument signature (`test.f(integer)`) and a cast its types (`(int4 AS timestamp)`), since the name alone is ambiguous.\n",
      "type": "object",
      "properties": {
        "aggregates": {
          "description": "The aggregates this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "collations": {
          "description": "The collations this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "domains": {
          "description": "The domains this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "event_triggers": {
          "description": "The event triggers this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "extensions": {
          "description": "The extensions this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "foreign_data_wrappers": {
          "description": "The foreign data wrappers this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "functions": {
          "description": "The functions this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "languages": {
          "description": "The languages this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "materialized_views": {
          "description": "The materialized views this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "publications": {
          "description": "The publications this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "sequences": {
          "description": "The sequences this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "servers": {
          "description": "The servers this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "subscriptions": {
          "description": "The subscriptions this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "tables": {
          "description": "The tables this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "types": {
          "description": "The types this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "user_mappings": {
          "description": "The user mappings this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "users": {
          "description": "The users this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "views": {
          "description": "The views this object depends on.",
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      },
      "additionalProperties": false
    }
  },
  "requires": [
    "name",
    "schema"
  ],
  "oneOf": [
    {
      "required": [
        "sql"
      ],
      "not": {
        "required": [
          "default",
          "encoding_from",
          "encoding_to",
          "function"
        ]
      }
    },
    {
      "anyOf": [
        {
          "required": [
            "encoding_from",
            "encoding_to",
            "function"
          ],
          "not": {
            "required": [
              "sql"
            ]
          }
        },
        {
          "required": [
            "default",
            "encoding_from",
            "encoding_to",
            "function"
          ],
          "not": {
            "required": [
              "sql"
            ]
          }
        }
      ]
    }
  ]
}