Instrument formula processing in DataDog.

packages/server/src/utilities/rowProcessor/utils.ts

@@ -11,6 +11,7 @@ import {
   Row,
   Table,
 } from "@budibase/types"
+import tracer from "dd-trace"
 
 interface FormulaOpts {
   dynamic?: boolean
@@ -50,8 +51,10 @@ export function processFormulas<T extends Row | Row[]>(
   inputRows: T,
   { dynamic, contextRows }: FormulaOpts = { dynamic: true }
 ): T {
+  return tracer.trace("processFormulas", {}, span => {
+    span?.addTags({ tableId: table._id })
     const rows = Array.isArray(inputRows) ? inputRows : [inputRows]
-  if (rows)
+    if (rows) {
       for (let [column, schema] of Object.entries(table.schema)) {
         if (schema.type !== FieldTypes.FORMULA) {
           continue
@@ -70,13 +73,18 @@ export function processFormulas<T extends Row | Row[]>(
         for (let i = 0; i < rows.length; i++) {
           let row = rows[i]
           let context = contextRows ? contextRows[i] : row
+          let formula = schema.formula
           rows[i] = {
             ...row,
-          [column]: processStringSync(schema.formula, context),
+            [column]: tracer.trace("processStringSync", {}, () =>
+              processStringSync(formula, context)
+            ),
+          }
         }
       }
     }
     return Array.isArray(inputRows) ? rows : rows[0]
+  })
 }
 
 /**