go.temporal.io/server@v1.23.0/common/persistence/sql/sqlplugin/postgresql/driver/pq.go (about) 1 // The MIT License 2 // 3 // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. 4 // 5 // Copyright (c) 2020 Uber Technologies, Inc. 6 // 7 // Permission is hereby granted, free of charge, to any person obtaining a copy 8 // of this software and associated documentation files (the "Software"), to deal 9 // in the Software without restriction, including without limitation the rights 10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 // copies of the Software, and to permit persons to whom the Software is 12 // furnished to do so, subject to the following conditions: 13 // 14 // The above copyright notice and this permission notice shall be included in 15 // all copies or substantial portions of the Software. 16 // 17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 // THE SOFTWARE. 24 25 package driver 26 27 import ( 28 "github.com/jmoiron/sqlx" 29 "github.com/lib/pq" 30 ) 31 32 type PQDriver struct{} 33 34 func (p *PQDriver) CreateConnection(dsn string) (*sqlx.DB, error) { 35 return sqlx.Connect("postgres", dsn) 36 } 37 38 func (p *PQDriver) IsDupEntryError(err error) bool { 39 pqErr, ok := err.(*pq.Error) 40 return ok && pqErr.Code == dupEntryCode 41 } 42 43 func (p *PQDriver) IsDupDatabaseError(err error) bool { 44 pqErr, ok := err.(*pq.Error) 45 return ok && pqErr.Code == dupDatabaseCode 46 }