42 lines
1.3 KiB
Go
42 lines
1.3 KiB
Go
|
// VulcanizeDB
|
||
|
|
// Copyright © 2019 Vulcanize
|
||
|
|
|
||
|
|
// This program is free software: you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU Affero General Public License as published by
|
||
|
|
// the Free Software Foundation, either version 3 of the License, or
|
||
|
|
// (at your option) any later version.
|
||
|
|
|
||
|
|
// This program is distributed in the hope that it will be useful,
|
||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
// GNU Affero General Public License for more details.
|
||
|
|
|
||
|
|
// You should have received a copy of the GNU Affero General Public License
|
||
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
package shared
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/ethereum/go-ethereum/statediff/indexer/database/sql/postgres"
|
||
|
|
"github.com/jmoiron/sqlx"
|
||
|
|
)
|
||
|
|
|
||
|
|
// NewDB creates a new db connection and initializes the connection pool
|
||
|
|
func NewDB(connectString string, config postgres.Config) (*sqlx.DB, error) {
|
||
|
|
db, connectErr := sqlx.Connect("postgres", connectString)
|
||
|
|
if connectErr != nil {
|
||
|
|
return nil, postgres.ErrDBConnectionFailed(connectErr)
|
||
|
|
}
|
||
|
|
if config.MaxConns > 0 {
|
||
|
|
db.SetMaxOpenConns(config.MaxConns)
|
||
|
|
}
|
||
|
|
if config.MaxIdle > 0 {
|
||
|
|
db.SetMaxIdleConns(config.MaxIdle)
|
||
|
|
}
|
||
|
|
if config.MaxConnLifetime > 0 {
|
||
|
|
db.SetConnMaxLifetime(config.MaxConnLifetime)
|
||
|
|
}
|
||
|
|
|
||
|
|
return db, nil
|
||
|
|
}
|