fauna · Schema
Fauna Query
Represents the request and response structures for executing Fauna Query Language (FQL) v10 queries via the Core HTTP API /query/1 endpoint. Includes the query request body, successful response format, and error response format.
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://fauna.com/schemas/fauna/query.json",
"title": "Fauna Query",
"description": "Represents the request and response structures for executing Fauna Query Language (FQL) v10 queries via the Core HTTP API /query/1 endpoint. Includes the query request body, successful response format, and error response format.",
"type": "object",
"$defs": {
"QueryRequest": {
"type": "object",
"description": "Request body for the /query/1 endpoint.",
"required": ["query"],
"properties": {
"query": {
"type": "string",
"description": "The FQL v10 query string to execute against the Fauna database."
},
"arguments": {
"type": "object",
"additionalProperties": true,
"description": "Named arguments to pass to the query. These are available as variables within the FQL query and provide a safe way to inject values without string interpolation."
}
}
},
"QueryResponse": {
"type": "object",
"description": "Successful response from the /query/1 endpoint.",
"properties": {
"data": {
"description": "The query result data. The structure depends on the query executed and the X-Format header value (tagged or simple)."
},
"static_type": {
"type": "string",
"description": "The static type of the query result as determined by Fauna's type system."
},
"txn_ts": {
"type": "integer",
"description": "Transaction timestamp in microseconds since the Unix epoch."
},
"stats": {
"$ref": "#/$defs/QueryStats"
},
"schema_version": {
"type": "integer",
"description": "The schema version at the time the query was executed."
},
"summary": {
"type": "string",
"description": "Optional summary information about the query execution."
},
"query_tags": {
"type": "string",
"description": "Tags associated with the query for logging and monitoring purposes."
}
}
},
"ErrorResponse": {
"type": "object",
"description": "Error response from the /query/1 endpoint. Contains an error object instead of data.",
"required": ["error"],
"properties": {
"error": {
"type": "object",
"required": ["code", "message"],
"properties": {
"code": {
"type": "string",
"description": "Machine-readable error code. Fauna error codes are part of the API contract and are safe to write programmatic logic against.",
"enum": [
"invalid_query",
"invalid_request",
"abort",
"unauthorized",
"forbidden",
"not_found",
"contention",
"limit_exceeded",
"time_out",
"internal_error",
"constraint_failure"
]
},
"message": {
"type": "string",
"description": "Human-readable error message describing the failure."
},
"constraint_failures": {
"type": "array",
"items": {
"$ref": "#/$defs/ConstraintFailure"
},
"description": "Details about check or unique constraint failures when the error code is constraint_failure."
}
}
},
"summary": {
"type": "string",
"description": "Detailed error information including the location of the error in the query."
},
"txn_ts": {
"type": "integer",
"description": "Transaction timestamp of the failed request."
},
"stats": {
"$ref": "#/$defs/QueryStats"
},
"schema_version": {
"type": "integer",
"description": "Schema version at the time of the failed request."
}
}
},
"QueryStats": {
"type": "object",
"description": "Operational statistics for query execution including compute, read, and write operations consumed.",
"properties": {
"compute_ops": {
"type": "integer",
"minimum": 0,
"description": "Number of Transactional Compute Operations consumed by the query."
},
"read_ops": {
"type": "integer",
"minimum": 0,
"description": "Number of Transactional Read Operations consumed."
},
"write_ops": {
"type": "integer",
"minimum": 0,
"description": "Number of Transactional Write Operations consumed."
},
"query_time_ms": {
"type": "integer",
"minimum": 0,
"description": "Query execution time in milliseconds."
},
"contention_retries": {
"type": "integer",
"minimum": 0,
"description": "Number of times the transaction was retried due to contention."
},
"storage_bytes_read": {
"type": "integer",
"minimum": 0,
"description": "Number of bytes read from storage."
},
"storage_bytes_write": {
"type": "integer",
"minimum": 0,
"description": "Number of bytes written to storage."
},
"rate_limits_hit": {
"type": "array",
"items": {
"type": "string"
},
"description": "List of rate limits that were hit during query execution."
}
}
},
"ConstraintFailure": {
"type": "object",
"description": "Details about a specific check or unique constraint failure.",
"properties": {
"paths": {
"type": "array",
"items": {
"type": "array",
"items": {
"type": "string"
}
},
"description": "Field paths that triggered the constraint failure."
},
"message": {
"type": "string",
"description": "Description of the constraint that was violated."
}
}
}
}
}