sqlboiler/templates/15_delete.tpl

{{- $tableNameSingular := .Table.Name | singular | titleCase -}}
{{- $varNameSingular := .Table.Name | singular | camelCase -}}
{{- $schemaTable := .Table.Name | .SchemaTable -}}
// DeleteP deletes a single {{$tableNameSingular}} record with an executor.
// DeleteP will match against the primary key column to find the record to delete.
// Panics on error.
func (o *{{$tableNameSingular}}) DeleteP(exec boil.Executor) {
  if err := o.Delete(exec); err != nil {
    panic(boil.WrapErr(err))
  }
}

// DeleteG deletes a single {{$tableNameSingular}} record.
// DeleteG will match against the primary key column to find the record to delete.
func (o *{{$tableNameSingular}}) DeleteG() error {
  if o == nil {
    return errors.New("{{.PkgName}}: no {{$tableNameSingular}} provided for deletion")
  }

  return o.Delete(boil.GetDB())
}

// DeleteGP deletes a single {{$tableNameSingular}} record.
// DeleteGP will match against the primary key column to find the record to delete.
// Panics on error.
func (o *{{$tableNameSingular}}) DeleteGP() {
  if err := o.DeleteG(); err != nil {
    panic(boil.WrapErr(err))
  }
}

// Delete deletes a single {{$tableNameSingular}} record with an executor.
// Delete will match against the primary key column to find the record to delete.
func (o *{{$tableNameSingular}}) Delete(exec boil.Executor) error {
  if o == nil {
    return errors.New("{{.PkgName}}: no {{$tableNameSingular}} provided for delete")
  }

  {{if not .NoHooks -}}
  if err := o.doBeforeDeleteHooks(exec); err != nil {
    return err
  }
  {{- end}}

  args := o.inPrimaryKeyArgs()

  sql := "DELETE FROM {{$schemaTable}} WHERE {{if .Dialect.IndexPlaceholders}}{{whereClause .LQ .RQ 1 .Table.PKey.Columns}}{{else}}{{whereClause .LQ .RQ 0 .Table.PKey.Columns}}{{end}}"

  if boil.DebugMode {
    fmt.Fprintln(boil.DebugWriter, sql)
    fmt.Fprintln(boil.DebugWriter, args...)
  }

  _, err := exec.Exec(sql, args...)
  if err != nil {
    return errors.Wrap(err, "{{.PkgName}}: unable to delete from {{.Table.Name}}")
  }

  {{if not .NoHooks -}}
  if err := o.doAfterDeleteHooks(exec); err != nil {
    return err
  }
  {{- end}}

  return nil
}

// DeleteAllP deletes all rows, and panics on error.
func (q {{$varNameSingular}}Query) DeleteAllP() {
  if err := q.DeleteAll(); err != nil {
    panic(boil.WrapErr(err))
  }
}

// DeleteAll deletes all matching rows.
func (q {{$varNameSingular}}Query) DeleteAll() error {
  if q.Query == nil {
    return errors.New("{{.PkgName}}: no {{$varNameSingular}}Query provided for delete all")
  }

  boil.SetDelete(q.Query)

  _, err := boil.ExecQuery(q.Query)
  if err != nil {
    return errors.Wrap(err, "{{.PkgName}}: unable to delete all from {{.Table.Name}}")
  }

  return nil
}

// DeleteAll deletes all rows in the slice, and panics on error.
func (o {{$tableNameSingular}}Slice) DeleteAllGP() {
  if err := o.DeleteAllG(); err != nil {
    panic(boil.WrapErr(err))
  }
}

// DeleteAllG deletes all rows in the slice.
func (o {{$tableNameSingular}}Slice) DeleteAllG() error {
  if o == nil {
    return errors.New("{{.PkgName}}: no {{$tableNameSingular}} slice provided for delete all")
  }
  return o.DeleteAll(boil.GetDB())
}

// DeleteAllP deletes all rows in the slice, using an executor, and panics on error.
func (o {{$tableNameSingular}}Slice) DeleteAllP(exec boil.Executor) {
  if err := o.DeleteAll(exec); err != nil {
    panic(boil.WrapErr(err))
  }
}

// DeleteAll deletes all rows in the slice, using an executor.
func (o {{$tableNameSingular}}Slice) DeleteAll(exec boil.Executor) error {
  if o == nil {
    return errors.New("{{.PkgName}}: no {{$tableNameSingular}} slice provided for delete all")
  }

  if len(o) == 0 {
    return nil
  }

  {{if not .NoHooks -}}
  if len({{$varNameSingular}}BeforeDeleteHooks) != 0 {
    for _, obj := range o {
      if err := obj.doBeforeDeleteHooks(exec); err != nil {
        return err
      }
    }
  }
  {{- end}}

  args := o.inPrimaryKeyArgs()

  sql := fmt.Sprintf(
    "DELETE FROM {{$schemaTable}} WHERE (%s) IN (%s)",
    strings.Join(strmangle.IdentQuoteSlice(dialect.LQ, dialect.RQ, {{$varNameSingular}}PrimaryKeyColumns), "{{.LQ}},{{.RQ}}"),
    strmangle.Placeholders(dialect.IndexPlaceholders, len(o) * len({{$varNameSingular}}PrimaryKeyColumns), 1, len({{$varNameSingular}}PrimaryKeyColumns)),
  )

  if boil.DebugMode {
    fmt.Fprintln(boil.DebugWriter, sql)
    fmt.Fprintln(boil.DebugWriter, args)
  }

  _, err := exec.Exec(sql, args...)
  if err != nil {
    return errors.Wrap(err, "{{.PkgName}}: unable to delete all from {{$varNameSingular}} slice")
  }

  {{if not .NoHooks -}}
  if len({{$varNameSingular}}AfterDeleteHooks) != 0 {
    for _, obj := range o {
      if err := obj.doAfterDeleteHooks(exec); err != nil {
        return err
      }
    }
  }
  {{- end}}

  return nil
}