{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cloud.google.com/schemas/bigquery/query.json",
  "title": "Google BigQuery Query Request",
  "description": "Schema for a BigQuery query request, used to execute SQL queries against BigQuery datasets.",
  "type": "object",
  "required": ["query"],
  "properties": {
    "query": {
      "type": "string",
      "description": "A query string to execute, using GoogleSQL or legacy SQL syntax",
      "minLength": 1
    },
    "maxResults": {
      "type": "integer",
      "description": "The maximum number of rows of data to return per page of results",
      "minimum": 0
    },
    "defaultDataset": {
      "$ref": "#/$defs/DatasetReference",
      "description": "The default dataset to use for unqualified table names in the query"
    },
    "useLegacySql": {
      "type": "boolean",
      "description": "Whether to use legacy SQL dialect. If false, uses GoogleSQL.",
      "default": false
    },
    "timeoutMs": {
      "type": "integer",
      "description": "How long to wait for the query to complete, in milliseconds",
      "minimum": 0
    },
    "dryRun": {
      "type": "boolean",
      "description": "If set to true, BigQuery does not run the job but instead returns statistics about the job",
      "default": false
    },
    "useQueryCache": {
      "type": "boolean",
      "description": "Whether to look for the result in the query cache",
      "default": true
    },
    "parameterMode": {
      "type": "string",
      "description": "Standard SQL only. Set to POSITIONAL to use positional query parameters or NAMED for named parameters.",
      "enum": ["POSITIONAL", "NAMED"]
    },
    "queryParameters": {
      "type": "array",
      "description": "Query parameters for GoogleSQL queries",
      "items": {
        "$ref": "#/$defs/QueryParameter"
      }
    }
  },
  "$defs": {
    "DatasetReference": {
      "type": "object",
      "description": "A reference to a BigQuery dataset",
      "properties": {
        "projectId": {
          "type": "string",
          "description": "The ID of the project containing the dataset"
        },
        "datasetId": {
          "type": "string",
          "description": "The ID of the dataset"
        }
      }
    },
    "QueryParameter": {
      "type": "object",
      "description": "A query parameter for parameterized queries",
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of this parameter. Used for named parameters only."
        },
        "parameterType": {
          "type": "object",
          "description": "The type of this parameter",
          "properties": {
            "type": {
              "type": "string",
              "description": "The data type",
              "enum": ["STRING", "INT64", "FLOAT64", "NUMERIC", "BIGNUMERIC", "BOOL", "BYTES", "DATE", "DATETIME", "GEOGRAPHY", "TIME", "TIMESTAMP", "ARRAY", "STRUCT"]
            }
          }
        },
        "parameterValue": {
          "type": "object",
          "description": "The value of this parameter",
          "properties": {
            "value": {
              "type": "string",
              "description": "The value of this parameter"
            }
          }
        }
      }
    }
  }
}