injector

package
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Published: Feb 13, 2026 License: Apache-2.0 Imports: 13 Imported by: 0

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Types

type Config

type Config struct {
	URL string
}

type Injector

type Injector struct {
	// contains filtered or unexported fields
}

Injector is a decorator around a wal processor that injects the wal metadata with the schemalog entry for the relevant schema. This allows following processors to have more information for processing the event effectively.

func New

func New(ctx context.Context, cfg *Config, p processor.Processor, opts ...Option) (*Injector, error)

New will return an injector processor wrapper that will inject pgstream metadata into the wal data events before passing them over to the processor on input. By default, all schemas are processed and the pgstream identity will be the primary key/not null unique column if present.

func (*Injector) Close

func (in *Injector) Close() error

func (*Injector) Name

func (in *Injector) Name() string

func (*Injector) ProcessWALEvent

func (in *Injector) ProcessWALEvent(ctx context.Context, event *wal.Event) error

ProcessWALEvent populates the metadata of the wal event on input, before passing it over to the configured wal processor.

type Option

type Option func(t *Injector)

func WithInstrumentation

func WithInstrumentation(instr *otel.Instrumentation) Option

func WithLogger

func WithLogger(l loglib.Logger) Option

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