{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://honeycomb.io/schemas/honeycomb/query.json",
  "title": "Honeycomb Query Specification",
  "description": "Defines a query specification for retrieving and aggregating data in Honeycomb. Queries are used across boards, triggers, SLOs, and query annotations.",
  "type": "object",
  "properties": {
    "calculations": {
      "type": "array",
      "description": "The calculations (aggregations) to perform on the query data.",
      "items": {
        "$ref": "#/$defs/Calculation"
      }
    },
    "filters": {
      "type": "array",
      "description": "Filters to apply to events before aggregation.",
      "items": {
        "$ref": "#/$defs/Filter"
      }
    },
    "filter_combination": {
      "type": "string",
      "description": "How to combine multiple filters. Defaults to AND.",
      "enum": ["AND", "OR"]
    },
    "breakdowns": {
      "type": "array",
      "description": "Column names to group results by.",
      "items": {
        "type": "string"
      }
    },
    "orders": {
      "type": "array",
      "description": "Ordering rules for the query results.",
      "items": {
        "$ref": "#/$defs/Order"
      }
    },
    "havings": {
      "type": "array",
      "description": "Post-aggregation filters applied to calculated results.",
      "items": {
        "$ref": "#/$defs/Having"
      }
    },
    "time_range": {
      "type": "integer",
      "minimum": 1,
      "description": "The relative time range in seconds to query over."
    },
    "start_time": {
      "type": "integer",
      "description": "Unix timestamp for the absolute query start time."
    },
    "end_time": {
      "type": "integer",
      "description": "Unix timestamp for the absolute query end time."
    },
    "granularity": {
      "type": "integer",
      "minimum": 1,
      "description": "The time granularity of results in seconds."
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 1000,
      "description": "Maximum number of result rows to return."
    }
  },
  "$defs": {
    "Calculation": {
      "type": "object",
      "description": "An aggregation calculation to perform.",
      "required": ["op"],
      "properties": {
        "op": {
          "type": "string",
          "description": "The aggregation operation to perform.",
          "enum": [
            "COUNT",
            "SUM",
            "AVG",
            "COUNT_DISTINCT",
            "MAX",
            "MIN",
            "P001",
            "P01",
            "P05",
            "P10",
            "P25",
            "P50",
            "P75",
            "P90",
            "P95",
            "P99",
            "P999",
            "HEATMAP",
            "RATE_AVG",
            "RATE_SUM",
            "RATE_MAX"
          ]
        },
        "column": {
          "type": "string",
          "description": "The column to perform the calculation on. Not required for COUNT."
        }
      }
    },
    "Filter": {
      "type": "object",
      "description": "A filter condition applied to events.",
      "required": ["column", "op"],
      "properties": {
        "column": {
          "type": "string",
          "description": "The column name to filter on."
        },
        "op": {
          "type": "string",
          "description": "The comparison operator.",
          "enum": [
            "=",
            "!=",
            ">",
            ">=",
            "<",
            "<=",
            "starts-with",
            "does-not-start-with",
            "contains",
            "does-not-contain",
            "exists",
            "does-not-exist",
            "in",
            "not-in"
          ]
        },
        "value": {
          "description": "The value to compare against. Not required for exists/does-not-exist operators."
        }
      }
    },
    "Order": {
      "type": "object",
      "description": "An ordering rule for query results.",
      "properties": {
        "column": {
          "type": "string",
          "description": "The column to order by."
        },
        "op": {
          "type": "string",
          "description": "The aggregation operation to order by, if ordering by a calculation."
        },
        "order": {
          "type": "string",
          "description": "The sort direction.",
          "enum": ["ascending", "descending"]
        }
      }
    },
    "Having": {
      "type": "object",
      "description": "A post-aggregation filter applied to calculated results.",
      "properties": {
        "calculate_op": {
          "type": "string",
          "description": "The calculation operation this having clause applies to."
        },
        "column": {
          "type": "string",
          "description": "The column the calculation is performed on."
        },
        "op": {
          "type": "string",
          "description": "The comparison operator.",
          "enum": [">", ">=", "<", "<=", "=", "!="]
        },
        "value": {
          "type": "number",
          "description": "The value to compare the calculated result against."
        }
      }
    }
  }
}