{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://gmr.github.io/pglifecycle/schemata/statistics.json",
  "title": "Statistics",
  "description": "Extended statistics on a table or materialized view (CREATE STATISTICS), which let the planner estimate columns that depend on each other\n",
  "type": "object",
  "properties": {
    "name": {
      "title": "Name",
      "type": "string"
    },
    "schema": {
      "title": "Schema",
      "type": "string"
    },
    "owner": {
      "title": "Owner",
      "description": "The role that owns the statistics object",
      "type": "string"
    },
    "table": {
      "title": "Table",
      "description": "The table or materialized view, schema-qualified",
      "type": "string"
    },
    "kinds": {
      "title": "Kinds",
      "description": "The kinds of statistics to collect; absent for all of them",
      "type": "array",
      "items": {
        "enum": [
          "ndistinct",
          "dependencies",
          "mcv"
        ]
      },
      "minItems": 1
    },
    "elements": {
      "title": "Elements",
      "description": "Each column, or a parenthesized expression, as written",
      "type": "array",
      "items": {
        "type": "string"
      },
      "minItems": 1
    },
    "target": {
      "title": "Statistics Target",
      "description": "ALTER STATISTICS ... SET STATISTICS",
      "type": "integer"
    },
    "comment": {
      "title": "Comment",
      "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
    }
  },
  "required": [
    "name",
    "schema",
    "owner",
    "table",
    "elements"
  ],
  "additionalProperties": false
}