fix(django): simplify django db components

[wantsui]

Closing this PR in favor of #13910

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

releasenotes/notes/fix-django-component-157c93506f76f614.yaml           @DataDog/apm-python
ddtrace/contrib/dbapi.py                                                @DataDog/apm-core-python @DataDog/apm-idm-python
tests/snapshots/tests.contrib.django.test_django_snapshots.test_psycopg3_query_default.json  @DataDog/apm-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 277 ± 3 ms.

The average import time from base is: 281 ± 5 ms.

The import time difference between this PR and base is: -3.4 ± 0.2 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 2.118 ms (0.76%)

ddtrace.bootstrap.sitecustomize 1.437 ms (0.52%)

ddtrace.bootstrap.preload 1.437 ms (0.52%)

ddtrace.internal.remoteconfig.client 0.675 ms (0.24%)

ddtrace 0.681 ms (0.25%)

ddtrace.internal._unpatched 0.033 ms (0.01%)

json 0.033 ms (0.01%)

json.decoder 0.033 ms (0.01%)

re 0.033 ms (0.01%)

enum 0.033 ms (0.01%)

types 0.033 ms (0.01%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-07-07 21:18:12

Comparing candidate commit 4b8886b in PR branch fix-django-component with baseline commit 8d01a6c in branch main.

Found 0 performance improvements and 2 performance regressions! Performance is the same for 487 metrics, 3 unstable metrics.

scenario:iastaspects-lstrip_aspect

• 🟥 execution_time [+793.457ns; +890.672ns] or [+7.624%; +8.558%]

scenario:iastaspects-strip_aspect

• 🟥 execution_time [+740.788ns; +811.129ns] or [+7.121%; +7.797%]

[wantsui]

Closing in favor of #13910