pg

type FieldSchema struct {
	Name        string
	Type        string        // PostgreSQL type name (text, integer, boolean, etc.)
	Repeated    bool          // true for arrays
	Schema      []FieldSchema // for composite types
	IsJSON      bool          // true for json/jsonb types
	IsJSONB     bool          // true for jsonb (vs json)
	ElementType string        // for arrays: element type name
}

type Schema []FieldSchema

type TypeProvider interface {
	types.Provider
	LoadTableSchema(ctx context.Context, tableName string) error
	GetSchemas() map[string]Schema
	Close()
}