pkg crypto/x509, type RevocationList struct, ThisUpdate time.Time
pkg database/sql, method (*DB) SetConnMaxIdleTime(time.Duration)
pkg database/sql, method (*Row) Err() error
pkg database/sql, type DBStats struct, MaxIdleTimeClosed int64
pkg database/sql/driver, type Validator interface { IsValid }
pkg database/sql/driver, type Validator interface, IsValid() bool
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_APPCONTAINER = 4096

# Probando una Base de Datos { #testing-a-database }

Puedes estudiar sobre bases de datos, SQL y SQLModel en la <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">documentación de SQLModel</a>. 🤓

Hay un mini <a href="https://sqlmodel.tiangolo.com/tutorial/fastapi/" class="external-link" target="_blank">tutorial sobre el uso de SQLModel con FastAPI</a>. ✨

		Level4 struct {
			ID uint
		}
		Level3 struct {
			ID       uint
			Level4ID sql.NullInt64 `sql:"index"`
			Level4   *Level4
		}
		Level2 struct {
			ID      uint
			Level3s []*Level3 `gorm:"many2many:level2_level3s"`
		}
		Level1 struct {
			ID       uint
			Level2ID sql.NullInt64 `sql:"index"`
			Level2   *Level2
		}
	)

	err          *error
	readCloser   io.ReadCloser
	onReaderExit func()

	exitReader chan struct{}
	readerWg   sync.WaitGroup
}

// Read - reads single record.
func (r *Reader) Read(dst sql.Record) (sql.Record, error) {
	v, ok := <-r.decoded
	if !ok {
		if r.err != nil && *r.err != nil {
			return nil, errJSONParsingError(*r.err)
		}
		return nil, io.EOF
	}
	dstRec, ok := dst.(*Record)
	if !ok {

pkg database/sql, method (*NullByte) Scan(interface{}) error
pkg database/sql, method (*NullInt16) Scan(interface{}) error
pkg database/sql, method (NullByte) Value() (driver.Value, error)
pkg database/sql, method (NullInt16) Value() (driver.Value, error)
pkg database/sql, type NullByte struct
pkg database/sql, type NullByte struct, Byte uint8
pkg database/sql, type NullByte struct, Valid bool

  - 🧰 [SQLModel](https://sqlmodel.tiangolo.com) für die Interaktion mit der Python-SQL-Datenbank (ORM).
  - 🔍 [Pydantic](https://docs.pydantic.dev), verwendet von FastAPI, für die Datenvalidierung und das Einstellungsmanagement.
  - 💾 [PostgreSQL](https://www.postgresql.org) als SQL-Datenbank.
- 🚀 [React](https://react.dev) für das Frontend.

    - 🧰 [SQLModel](https://sqlmodel.tiangolo.com) для взаимодействия с SQL‑базой данных на Python (ORM).
    - 🔍 [Pydantic](https://docs.pydantic.dev), используется FastAPI, для валидации данных и управления настройками.
    - 💾 [PostgreSQL](https://www.postgresql.org) в качестве SQL‑базы данных.
- 🚀 [React](https://react.dev) для фронтенда.

## FastAPI全栈模板 - 技术栈和特性

- ⚡ [**FastAPI**](https://fastapi.tiangolo.com) 用于Python后端API.
    - 🧰 [SQLModel](https://sqlmodel.tiangolo.com) 用于Python和SQL数据库的集成（ORM）。
    - 🔍 [Pydantic](https://docs.pydantic.dev) FastAPI的依赖项之一，用于数据验证和配置管理。
    - 💾 [PostgreSQL](https://www.postgresql.org) 作为SQL数据库。
- 🚀 [React](https://react.dev) 用于前端。
    - 💃 使用了TypeScript、hooks、[Vite](https://vitejs.dev)和其他一些现代化的前端技术栈。

	"github.com/minio/minio/internal/s3select/sql"
)

func TestRead(t *testing.T) {
	cases := []struct {
		content         string
		recordDelimiter string
		fieldDelimiter  string
	}{
		{"1,2,3\na,b,c\n", "\n", ","},
		{"1,2,3\ta,b,c\t", "\t", ","},
		{"1,2,3\r\na,b,c\r\n", "\r\n", ","},
	}

	for i, c := range cases {
		var err error
		var record sql.Record
		var result bytes.Buffer

	if !regexp.MustCompile(`SELECT DISTINCT u\.id, u\.\* FROM user_speaks as s inner join users as u`).MatchString(r.Statement.SQL.String()) {
		t.Fatalf("Build Distinct with u.*, but got %v", r.Statement.SQL.String())
	}