49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package global
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import (
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"fmt"
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"time"
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"electricity_bill_calc/config"
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// _ "github.com/lib/pq"
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_ "github.com/jackc/pgx/v5/stdlib"
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"xorm.io/xorm"
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)
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var (
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DBConn *xorm.Engine
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)
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func SetupDatabaseConnection() error {
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var err error
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// 以下连接方式是采用pgx驱动的时候使用的。
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DBConn, err = xorm.NewEngine("pgx", fmt.Sprintf(
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"postgresql://%s:%s@%s:%d/%s?sslmode=disable&",
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config.DatabaseSettings.User,
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config.DatabaseSettings.Pass,
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config.DatabaseSettings.Host,
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config.DatabaseSettings.Port,
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config.DatabaseSettings.DB,
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))
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// 以下连接方式是采用lib/pq驱动的时候使用的。
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// DBConn, err = xorm.NewEngine("postgres", fmt.Sprintf(
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// "host=%s user=%s password=%s dbname=%s port=%d sslmode=disable TimeZone=Asia/Shanghai connect_timeout=0",
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// config.DatabaseSettings.Host,
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// config.DatabaseSettings.User,
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// config.DatabaseSettings.Pass,
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// config.DatabaseSettings.DB,
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// config.DatabaseSettings.Port,
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// ))
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if err != nil {
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return err
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}
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DBConn.Ping()
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DBConn.SetMaxIdleConns(config.DatabaseSettings.MaxIdleConns)
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DBConn.SetMaxOpenConns(config.DatabaseSettings.MaxOpenConns)
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DBConn.SetConnMaxLifetime(60 * time.Second)
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return nil
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}
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