Bug: The math::sum() SQL function should return a number when not used as an aggregate function

[tobiemh]

Describe the bug

When using the math::sum() function on a field which is a number, and when not using a GROUP BY clause to aggregate the record values, the function should return a number instead of NONE.

Steps to reproduce

Running the following query...

INSERT INTO player (agility, strength, scores) VALUES (10, 10, [97, 83, 79]);
INSERT INTO player (agility, strength, scores) VALUES (10, 50, [87, 90, 88]);
SELECT math::sum(strength) AS strength FROM player;

currently returns...

[
  {
    "time": "203.041µs",
    "status": "OK",
    "result": [
      {
        "strength": null
      },
      {
        "strength": null
      }
    ]
  }
]

Expected behaviour

If the value is not an array of numbers, and when not using a GROUP BY clause we would expect the function to return the field value as a number...

[
  {
    "time": "203.041µs",
    "status": "OK",
    "result": [
      {
        "strength": 10
      },
      {
        "strength": 50
      }
    ]
  }
]

SurrealDB version

surreal 1.0.0-beta.6 for macos on aarch64

Contact Details

No response

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