sqlboiler/cmds/templates/delete.tpl

{{- $tableNameSingular := titleCaseSingular .Table -}}
// {{$tableNameSingular}}Delete deletes a single record.
func {{$tableNameSingular}}Delete(db boil.DB, id int) error {
  if id == nil {
    return nil, errors.New("{{.PkgName}}: no id provided for {{.Table}} delete")
  }

  err := db.Exec("DELETE FROM {{.Table}} WHERE id=$1", id)
  if err != nil {
    return errors.New("{{.PkgName}}: unable to delete from {{.Table}}: %s", err)
  }

  return nil
}

{{if hasPrimaryKey .Columns -}}
// Delete deletes a single {{$tableNameSingular}} record.
// Delete will match against the primary key column to find the record to delete.
func (o *{{$tableNameSingular}}) Delete(db *sqlx.DB) error {
  {{- $pkeyName := getPrimaryKey .Columns -}}
  err := db.Exec("DELETE FROM {{.Table}} WHERE {{$pkeyName}}=$1", o.{{titleCase $pkeyName}})
  if err != nil {
    return errors.New("{{.PkgName}}: unable to delete from {{.Table}}: %s", err)
  }

  return nil
}
{{- end}}