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// SPDX-FileCopyrightText: 2026 Stefan Majewsky <majewsky@gmx.net>
// SPDX-License-Identifier: Apache-2.0
package oblast
import (
"fmt"
"reflect"
"strings"
)
// MissingRecordError is returned by [Store.Update] if one of the rows to be updated does not exist in the DB.
type MissingRecordError[R any] struct {
// The record that was provided to [Store.Update],
// but for which no row with the same primary key values could be located.
Record R
plan plan
}
// Error implements the builtin/error interface.
func (e MissingRecordError[R]) Error() string {
keyDescs := make([]string, len(e.plan.PrimaryKeyColumnNames))
v := reflect.ValueOf(e.Record)
for idx, columnName := range e.plan.PrimaryKeyColumnNames {
keyDescs[idx] = fmt.Sprintf("%s = %#v", columnName, v.FieldByIndex(e.plan.IndexByColumnName[columnName]))
}
return "could not UPDATE record that does not exist in the database: " + strings.Join(keyDescs, ", ")
}
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