57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
// db/db.go
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package db
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import (
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"cn/oneao/base-go/config"
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sqlcg "cn/oneao/base-go/db/sqlc"
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"context"
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"fmt"
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"github.com/jackc/pgx/v5/pgxpool"
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"time"
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)
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var (
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DB *pgxpool.Pool
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DBClient *sqlcg.Queries
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)
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func InitDB() error {
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cfg := config.Db
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sslMode := "disable"
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if cfg.SllMode {
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sslMode = "require"
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}
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// 构建 DSN
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dsn := fmt.Sprintf(
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"postgres://%s:%s@%s:%d/%s?sslmode=%s&TimeZone=%s",
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cfg.User, cfg.Password, cfg.Host, cfg.Port, cfg.Dbname, sslMode, cfg.TimeZone,
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)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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pool, err := pgxpool.New(ctx, dsn)
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if err != nil {
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return fmt.Errorf("unable to connect to database: %w", err)
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}
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// 测试连接
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if err := pool.Ping(ctx); err != nil {
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return fmt.Errorf("ping database failed: %w", err)
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}
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DB = pool
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// 初始化 sqlc Queries，全局可用
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DBClient = sqlcg.New(DB)
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// 可选：设置连接池参数
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pool.Config().MaxConns = int32(cfg.MaxOpenConns)
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pool.Config().MinConns = int32(cfg.MaxIdleConns)
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pool.Config().MaxConnLifetime = cfg.ConnMaxLifetime
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return nil
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}
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