46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package global
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import (
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"database/sql"
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"fmt"
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"time"
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"electricity_bill_calc/config"
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"electricity_bill_calc/logger"
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_ "github.com/lib/pq"
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sqldblogger "github.com/simukti/sqldb-logger"
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"github.com/simukti/sqldb-logger/logadapter/zapadapter"
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"github.com/uptrace/bun"
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"github.com/uptrace/bun/dialect/pgdialect"
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)
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var (
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DB *bun.DB
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)
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func SetupDatabaseConnection() error {
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var err error
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connStr := 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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db, err := sql.Open("postgres", connStr)
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if err != nil {
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return err
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}
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db = sqldblogger.OpenDriver(connStr, db.Driver(), zapadapter.New(logger.Named("PG")))
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DB = bun.NewDB(db, pgdialect.New())
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DB.SetMaxIdleConns(config.DatabaseSettings.MaxIdleConns)
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DB.SetMaxOpenConns(config.DatabaseSettings.MaxOpenConns)
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DB.SetConnMaxIdleTime(10 * time.Minute)
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DB.SetConnMaxLifetime(60 * time.Minute)
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DB.Ping()
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return nil
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}
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