{
  "name": "anp_diesel.vendas",
  "schema_version": "1.0",
  "effective_from": "0.11.0",
  "breaking_policy": "major",
  "primary_key": [
    "data",
    "uf",
    "produto"
  ],
  "required_columns": [
    "data"
  ],
  "dtypes": {
    "data": "date",
    "uf": "str",
    "regiao": "str",
    "produto": "str",
    "volume_m3": "float"
  },
  "nullable": {
    "data": false,
    "uf": true,
    "regiao": true,
    "produto": true,
    "volume_m3": true
  },
  "columns": [
    {
      "name": "data",
      "type": "date",
      "nullable": false,
      "unit": null,
      "stable": true,
      "deprecated": false,
      "description": "",
      "min_value": null,
      "max_value": null
    },
    {
      "name": "uf",
      "type": "str",
      "nullable": true,
      "unit": null,
      "stable": true,
      "deprecated": false,
      "description": "",
      "min_value": null,
      "max_value": null
    },
    {
      "name": "regiao",
      "type": "str",
      "nullable": true,
      "unit": null,
      "stable": true,
      "deprecated": false,
      "description": "",
      "min_value": null,
      "max_value": null
    },
    {
      "name": "produto",
      "type": "str",
      "nullable": true,
      "unit": null,
      "stable": true,
      "deprecated": false,
      "description": "",
      "min_value": null,
      "max_value": null
    },
    {
      "name": "volume_m3",
      "type": "float",
      "nullable": true,
      "unit": "m3",
      "stable": true,
      "deprecated": false,
      "description": "",
      "min_value": 0,
      "max_value": null
    }
  ],
  "constraints": {
    "no_duplicates": true,
    "volume_m3_min": 0
  },
  "guarantees": [
    "Column names never change (additions only)",
    "'uf' is a valid Brazilian state code when present",
    "'volume_m3' is in cubic meters when present",
    "Data is monthly (first day of month)",
    "'produto' contains DIESEL variants only"
  ]
}
