fix(prisma): only add tracing helper when helper is defined (#7765)

pabloerhard · web-flow · commit 614973b19d6a · 2026-03-13T14:45:46.000+01:00
* only add tracing helper when helper is defined

* added test
diff --git a/packages/datadog-instrumentations/src/prisma.js b/packages/datadog-instrumentations/src/prisma.js
@@ -172,8 +172,10 @@ const prismaHook = (runtime, versions, name, isIitm) => {
         prismaHelperInit.publish(prismaHelperCtx)
 
         const helper = prismaHelperCtx.helper
-        this._tracingHelper = helper
-        this._engine.tracingHelper = helper
+        if (helper) {
+          this._tracingHelper = helper
+          this._engine.tracingHelper = helper
+        }
       }
     }
   }
diff --git a/packages/datadog-plugin-prisma/test/index.spec.js b/packages/datadog-plugin-prisma/test/index.spec.js
@@ -508,6 +508,28 @@ describe('Plugin', () => {
           })
         })
 
+        describe('without tracer initialization', () => {
+          before(async function () {
+            this.timeout(10000)
+            clearPrismaEnv()
+            setPrismaEnv(config)
+
+            const cwd = await copySchemaToVersionDir(config.schema, range)
+
+            execPrismaGenerate(config, cwd)
+
+            require('../../dd-trace')
+
+            prisma = loadPrismaModule(config, range)
+            prismaClient = createPrismaClient(prisma, config)
+          })
+
+          it('should not break prisma load when dd-trace is loaded but not initialized', async function () {
+            const result = await prismaClient.$queryRaw`SELECT 1`
+            assert.ok(result)
+          })
+        })
+
         describe('with configuration', () => {
           describe('with custom service name', () => {
             before(async function () {

Original file line number	Diff line number	Diff line change
`@@ -172,8 +172,10 @@ const prismaHook = (runtime, versions, name, isIitm) => {`
`172`	`172`	`prismaHelperInit.publish(prismaHelperCtx)`
`173`	`173`
`174`	`174`	`const helper = prismaHelperCtx.helper`
`175`		`- this._tracingHelper = helper`
`176`		`- this._engine.tracingHelper = helper`
	`175`	`+ if (helper) {`
	`176`	`+ this._tracingHelper = helper`
	`177`	`+ this._engine.tracingHelper = helper`
	`178`	`+ }`
`177`	`179`	`}`
`178`	`180`	`}`
`179`	`181`	`}`