And many teams use only `PUT`, even for partial updates.

    You are **free** to use them however you want, **FastAPI** doesn't impose any restrictions.

    But this guide shows you, more or less, how they are intended to be used.

### Using Pydantic's `exclude_unset` parameter

If you want to receive partial updates, it's very useful to use the parameter `exclude_unset` in Pydantic's model's `.model_dump()`.

Nils Lindemann <******@****.***> 1713469999 +0200

Nils Lindemann <******@****.***> 1711830397 +0100

Nils Lindemann <******@****.***> 1713469999 +0200

Nils Lindemann <******@****.***> 1713469999 +0200

	if se == nil {
		return nil
	}

	switch event {
	case model.EventAdd, model.EventDelete:
		ec.updateXDS(se)
	default:
		// Don't care about updates.
	}
	return nil
}

func (ec *serviceExportCacheImpl) updateXDS(se metav1.Object) {
	for _, svc := range ec.servicesForNamespacedName(config.NamespacedName(se)) {

version: 2
updates:
# TODO(b/170636568): Enable Maven updates? Perhaps wait until we can more
# easily import the generated PRs into our internal repo.
#  - package-ecosystem: "maven"
#    directory: "/"
#    schedule:
#      interval: "weekly"
#    groups:
#      dependencies:
#        applies-to: version-updates
#        patterns:
#          - "*"
#  - package-ecosystem: "maven"
#    directory: "/android"
#    schedule:

# Configures Depdendabot to PR go security updates only

version: 2
updates:
  # Go configuration for master branch
  - package-ecosystem: "gomod"
    directory: "/"
    schedule:
      interval: "daily"
    # Limit number of open PRs to 0 so that we only get security updates
    # See https://docs.github.com/en/code-security/dependabot/dependabot-security-updates/configuring-dependabot-security-updates
    open-pull-requests-limit: 0
    labels:

    override suspend fun WriteContext.encode(value: ConfigurationCacheEnvironmentChangeTracker.CachedEnvironmentState) {
        writeBoolean(value.cleared)

        writeCollection(value.updates) { update ->
            val keyString = update.key.toString()
            withPropertyTrace(PropertyTrace.SystemProperty(keyString, update.location)) {
                try {
                    writeClass(update.javaClass)

! stdout 'diff current/go.mod tidy/go.mod'
! stdout 'diff current/go.sum tidy/go.sum'

# go.mod requires updates, should return non-zero exit code.
cp go.mod.orig go.mod
! go mod tidy -diff
stdout 'diff current/go.mod tidy/go.mod'
! stdout 'diff current/go.sum tidy/go.sum'
cmp go.mod.orig go.mod

# go.sum requires updates, should return non-zero exit code.
go mod tidy
cp go.sum.orig go.sum
! go mod tidy -diff