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