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code/allapp/allapp-go/config/database.go

@@ -0,0 +1,50 @@
+package config
+
+import (
+	"allapp/db/repo"
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+func initDB() (*pgxpool.Pool, *repo.Queries, error) {
+	cfg := conf.Postgres
+
+	sslMode := "disable"
+	if cfg.SslMode {
+		sslMode = "require"
+	}
+
+	dsn := fmt.Sprintf(
+		"postgres://%s:%s@%s:%d/%s?sslmode=%s&TimeZone=%s",
+		cfg.User, cfg.Password, cfg.Host, cfg.Port, cfg.Dbname, sslMode, cfg.TimeZone,
+	)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	// 使用可修改配置
+	cfgPool, err := pgxpool.ParseConfig(dsn)
+	if err != nil {
+		return nil, nil, fmt.Errorf("parse pgx config failed: %w", err)
+	}
+
+	cfgPool.MaxConns = cfg.MaxOpenConns
+	cfgPool.MinConns = cfg.MaxIdleConns
+	cfgPool.MaxConnLifetime = cfg.ConnMaxLifetime
+
+	pool, err := pgxpool.NewWithConfig(ctx, cfgPool)
+	if err != nil {
+		return nil, nil, fmt.Errorf("create pgx pool failed: %w", err)
+	}
+
+	// 测试连接
+	if err := pool.Ping(ctx); err != nil {
+		return nil, nil, fmt.Errorf("ping database failed: %w", err)
+	}
+
+	queries := repo.New(pool)
+	return pool, queries, nil
+}