watch

package
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 Go to latest Published: Jul 17, 2026 License: MIT Imports: 8 Imported by: 0

Documentation

Overview

Package watch re-introspects on DDL changes (dev mode). Preferred mechanism: a DDL event trigger NOTIFYing a channel that we LISTEN on. Fallback (no permission to create event triggers): poll the catalog hash.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Watcher 

type Watcher struct {
	Pool         *pgxpool.Pool
	Schemas      []string
	Channel      string
	PollInterval time.Duration
	OnChange     func(cat *introspect.Catalog)
	Log          *slog.Logger
}

Watcher triggers OnChange whenever the database schema drifts.

func (*Watcher) Run 

func (w *Watcher) Run(ctx context.Context) error

Run blocks until ctx is cancelled. It tries to install the event trigger; on permission failure it degrades to hash polling with a warning.

Source Files

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