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ref(node): Streamline pg instrumentation#21583

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awad/js-2392-streamline-opentelemetryinstrumentation-pg
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ref(node): Streamline pg instrumentation#21583
logaretm wants to merge 2 commits into
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awad/js-2392-streamline-opentelemetryinstrumentation-pg

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@logaretm logaretm commented Jun 16, 2026

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Streamlines the vendored pg (node-postgres) instrumentation onto Sentry's span APIs.

I found that some spans (pg.connect, pg-pool.connect) still use manual origin, this was the case prior so I kept them as-is but I think they should be changed in the future.

I added a bunch of real tests for various scenarios we were lacking.

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linear-code Bot commented Jun 16, 2026

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JS-2392

@logaretm logaretm force-pushed the awad/js-2392-streamline-opentelemetryinstrumentation-pg branch from 207f6ec to 72548f7 Compare June 16, 2026 19:39
@logaretm logaretm changed the base branch from awad/js-2393-streamline-opentelemetryinstrumentation-redis to develop June 16, 2026 19:39
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size-limit report 📦

Path Size % Change Change
@sentry/browser 27.4 kB - -
@sentry/browser - with treeshaking flags 25.84 kB - -
@sentry/browser (incl. Tracing) 45.7 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 47.94 kB - -
@sentry/browser (incl. Tracing, Profiling) 50.5 kB - -
@sentry/browser (incl. Tracing, Replay) 84.92 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 74.53 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 89.61 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 102.3 kB - -
@sentry/browser (incl. Feedback) 44.56 kB - -
@sentry/browser (incl. sendFeedback) 32.2 kB - -
@sentry/browser (incl. FeedbackAsync) 37.31 kB - -
@sentry/browser (incl. Metrics) 28.47 kB - -
@sentry/browser (incl. Logs) 28.71 kB - -
@sentry/browser (incl. Metrics & Logs) 29.4 kB - -
@sentry/react 29.2 kB - -
@sentry/react (incl. Tracing) 48 kB - -
@sentry/vue 32.42 kB - -
@sentry/vue (incl. Tracing) 47.59 kB - -
@sentry/svelte 27.42 kB - -
CDN Bundle 29.79 kB - -
CDN Bundle (incl. Tracing) 48.2 kB - -
CDN Bundle (incl. Logs, Metrics) 31.33 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 49.49 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 70.62 kB - -
CDN Bundle (incl. Tracing, Replay) 85.52 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 86.77 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 91.37 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 92.62 kB - -
CDN Bundle - uncompressed 88.59 kB - -
CDN Bundle (incl. Tracing) - uncompressed 145.8 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 93.29 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 149.77 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 218.12 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 264.67 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 268.63 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 278.37 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 282.31 kB - -
@sentry/nextjs (client) 50.45 kB - -
@sentry/sveltekit (client) 46.12 kB - -
@sentry/core/server 76.08 kB - -
@sentry/core/browser 63.22 kB - -
@sentry/node-core 61.73 kB +0.01% +1 B 🔺
@sentry/node 126.23 kB -1.55% -1.98 kB 🔽
@sentry/node - without tracing 74.11 kB +0.01% +2 B 🔺
@sentry/aws-serverless 85.36 kB +0.01% +2 B 🔺
@sentry/cloudflare (withSentry) - minified 174.19 kB - -
@sentry/cloudflare (withSentry) 435.54 kB - -

View base workflow run

@logaretm logaretm force-pushed the awad/js-2392-streamline-opentelemetryinstrumentation-pg branch from 72548f7 to 56a88b9 Compare June 16, 2026 20:22
Streamlines the vendored `pg` (node-postgres) instrumentation to use
Sentry's span APIs instead of the OpenTelemetry tracing APIs, following
the redis/ioredis precedent.

- Replace `tracer.startSpan` + `context.with(trace.setSpan(...))` with
  `startInactiveSpan`/`withActiveSpan`, `SpanStatusCode.ERROR` with
  `SPAN_STATUS_ERROR`, and drop `recordException` (a no-op in Sentry's
  pipeline) across the client query, client connect and pool connect paths.
- Drop the OTel metrics (operation duration + pool connection counters):
  the SDK wires up no `MeterProvider`, so `this.meter` is the no-op meter
  and every `record`/`add` was dead. Also removes the pool event-listener
  plumbing and the `db.client.connection.*` semconv.
- Drop the `SemconvStability` dual-emission and keep the OLD semconv
  attributes only (the STABLE path was env-gated behind
  `OTEL_SEMCONV_STABILITY_OPT_IN` and never enabled by the SDK).
- Remove config the SDK never passes (`requestHook`, `responseHook`,
  `enhancedDatabaseReporting`, `addSqlCommenterCommentToQueries`) and
  hardcode the always-on `requireParentSpan` behaviour; bake the
  `auto.db.otel.postgres` origin into the query span attributes (connect
  spans keep their `manual` origin, matching prior output).
- Drop the blanket eslint-disable and rely on the consolidated path entry.

Removes the config-passing `Postgres` unit test (its only pg-specific
behaviour, `ignoreConnectSpans` forwarding, is covered end-to-end) and
expands the real integration suite to cover every code path, matching the
redis/mysql2 precedent:

- error paths: a failing query and a refused connect assert
  `status: 'internal_error'`;
- `Pool`: a new scenario covers `pg-pool.connect` spans, callback-style
  queries, and connection-string credential masking on `db.connection_string`;
- prepared statements: a named query asserts the `db.postgresql.plan` attribute;
- `requireParentSpan`: a new scenario asserts queries/connects without an
  active parent span are not instrumented.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
@logaretm logaretm force-pushed the awad/js-2392-streamline-opentelemetryinstrumentation-pg branch from 56a88b9 to 936f0c8 Compare June 16, 2026 20:29
@logaretm logaretm marked this pull request as ready for review June 16, 2026 20:29
@logaretm logaretm requested a review from a team as a code owner June 16, 2026 20:29
@logaretm logaretm requested review from JPeer264 and mydea and removed request for a team June 16, 2026 20:29

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit 936f0c8. Configure here.

this: PgClientExtended,
tracer: Tracer,
instrumentationConfig: PgInstrumentationConfig,
semconvStability: SemconvStability,

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Connect callback omits non-Error failures

Low Severity

patchClientConnectCallback only marks the connect span as failed when the first callback argument is an Error. Query and pool connect callbacks still treat any truthy error value as a failure. A truthy non-Error connect failure ends the span without error status, so it can appear successful in traces.

Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 936f0c8. Configure here.

Replace trace.getSpan(context.active()) with getActiveSpan() for the
requireParentSpan check and parent detection, and translate the
context.bind callback binding to a withActiveSpan-based helper. The
connect-result promise no longer needs explicit binding since the SDK's
async context propagates across the caller's await.
name: SpanNames.CONNECT,
kind: SpanKind.CLIENT,
attributes: utils.getSemanticAttributesFromConnection(this, plugin._semconvStability),
attributes: utils.getSemanticAttributesFromConnection(this),

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Bug: The _getClientConnectPatch function passes this instead of this.connectionParameters to getSemanticAttributesFromConnection, causing incorrect db.name, db.user, and db.connection_string span attributes.
Severity: MEDIUM

Suggested Fix

In _getClientConnectPatch, change the call from utils.getSemanticAttributesFromConnection(this) to utils.getSemanticAttributesFromConnection(this.connectionParameters) to pass the correct connection parameters object.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.

Location:
packages/node/src/integrations/tracing/postgres/vendored/instrumentation.ts#L172

Potential issue: In `_getClientConnectPatch`, the `getSemanticAttributesFromConnection`
function is called with `this` (a `PgClientExtended` instance) instead of the expected
`this.connectionParameters` object. Because the `PgClientExtended` instance does not
have `database` and `user` properties at the top level, the resulting `pg.connect` span
will have missing `db.name` and `db.user` attributes. The `db.connection_string`
attribute will also be incorrect, defaulting to `'postgresql://localhost:5432/'`. This
degrades observability by providing incomplete and misleading data for database
connection spans.

Comment on lines -232 to -234
tracer: Tracer,
instrumentationConfig: PgInstrumentationConfig,
semconvStability: SemconvStability,

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Bug: The error check in patchedClientConnectCallback was changed to if (err instanceof Error), which is inconsistent with other callback patchers and less defensive than the standard if (err) check.
Severity: LOW

Suggested Fix

Revert the error check in patchedClientConnectCallback from if (err instanceof Error) back to if (err) to align with other callback patchers and follow standard Node.js conventions.

Prompt for AI Agent
Review the code at the location below. A potential bug has been identified by an AI
agent. Verify if this is a real issue. If it is, propose a fix; if not, explain why it's
not valid.

Location: packages/node/src/integrations/tracing/postgres/vendored/utils.ts#L232-L234

Potential issue: In `patchedClientConnectCallback`, error handling was changed from a
general truthiness check (`if (err)`) to a stricter type check (`if (err instanceof
Error)`). This creates an inconsistency with other callback patchers like
`patchCallback` and `patchCallbackPGPool`, which still use `if (err)`. While the `pg`
library is expected to pass an `Error` object, this change makes the error handling less
defensive and deviates from the standard Node.js callback pattern. If the library ever
passes a truthy, non-Error value, the span's error status will not be set.

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