feat(eap-spans): implement division function (#87500)

closes getsentry/team-visibility#53

Author: DominikB2014

src/sentry/search/eap/spans/formulas.py

@@ -38,6 +38,17 @@
 )
 
 
+def division(args: ResolvedArguments) -> Column.BinaryFormula:
+    dividend = cast(AttributeKey, args[0])
+    divisor = cast(AttributeKey, args[1])
+
+    return Column.BinaryFormula(
+        left=Column(key=dividend, label="dividend"),
+        op=Column.BinaryFormula.OP_DIVIDE,
+        right=Column(key=divisor, label="divisor"),
+    )
+
+
 def avg_compare(args: ResolvedArguments) -> Column.BinaryFormula:
     attribute = cast(AttributeKey, args[0])
     comparison_attribute = cast(AttributeKey, args[1])
@@ -403,4 +414,29 @@ def ttid_contribution_rate(args: ResolvedArguments) -> Column.BinaryFormula:
         formula_resolver=avg_compare,
         is_aggregate=True,
     ),
+    "division": FormulaDefinition(
+        default_search_type="number",
+        arguments=[
+            ArgumentDefinition(
+                argument_types={
+                    "duration",
+                    "number",
+                    "percentage",
+                    *constants.SIZE_TYPE,
+                    *constants.DURATION_TYPE,
+                },
+            ),
+            ArgumentDefinition(
+                argument_types={
+                    "duration",
+                    "number",
+                    "percentage",
+                    *constants.SIZE_TYPE,
+                    *constants.DURATION_TYPE,
+                },
+            ),
+        ],
+        formula_resolver=division,
+        is_aggregate=True,
+    ),
 }

tests/snuba/api/endpoints/test_organization_events_span_indexed.py

@@ -3088,6 +3088,41 @@ def test_performance_score(self):
         assert data[0]["performance_score(measurements.score.lcp)"] == 0.06
         assert meta["dataset"] == self.dataset
 
+    def test_division(self):
+        self.store_spans(
+            [
+                self.create_span(
+                    {
+                        "measurements": {
+                            "frames.total": {"value": 100},
+                            "frames.slow": {"value": 10},
+                            "frames.frozen": {"value": 20},
+                        }
+                    }
+                ),
+            ],
+            is_eap=True,
+        )
+
+        response = self.do_request(
+            {
+                "field": [
+                    "division(mobile.frames_slow,mobile.frames_total)",
+                    "division(mobile.frames_frozen,mobile.frames_total)",
+                ],
+                "project": self.project.id,
+                "dataset": self.dataset,
+            }
+        )
+
+        assert response.status_code == 200, response.content
+        data = response.data["data"]
+        meta = response.data["meta"]
+        assert len(data) == 1
+        assert data[0]["division(mobile.frames_slow,mobile.frames_total)"] == 10 / 100
+        assert data[0]["division(mobile.frames_frozen,mobile.frames_total)"] == 20 / 100
+        assert meta["dataset"] == self.dataset
+
     def test_opportunity_score(self):
         self.store_spans(
             [