dendrite/internal/sqlutil/unique_constraint_cgo.go

// Copyright 2020 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//go:build !wasm && cgo
// +build !wasm,cgo

package sqlutil

import (
	"github.com/lib/pq"
	"github.com/mattn/go-sqlite3"
)

// IsUniqueConstraintViolationErr returns true if the error is an unique_violation error
func IsUniqueConstraintViolationErr(err error) bool {
	switch e := err.(type) {
	case *pq.Error:
		return e.Code == "23505"
	case *sqlite3.Error:
		return e.Code == sqlite3.ErrConstraint
	case sqlite3.Error:
		return e.Code == sqlite3.ErrConstraint
	}
	return false
}