package migrator

import (
	"database/sql"
)

// TableType table type implements TableType interface
type TableType struct {
	SchemaValue  string
	NameValue    string
	TypeValue    string
	CommentValue sql.NullString
}

// Schema returns the schema of the table.
func (ct TableType) Schema() string {
	return ct.SchemaValue
}

// Name returns the name of the table.
func (ct TableType) Name() string {

	github.com/HuaweiCloudDeveloper/gaussdb-go v1.0.0-rc1 // indirect
	github.com/davecgh/go-spew v1.1.1 // indirect
	github.com/go-sql-driver/mysql v1.9.3 // indirect
	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
	github.com/golang-sql/sqlexp v0.1.0 // indirect
	github.com/jackc/pgpassfile v1.0.0 // indirect
	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect

	Constraint string // length(phone) >= 10
	*Field
}

func (chk *CheckConstraint) GetName() string { return chk.Name }

func (chk *CheckConstraint) Build() (sql string, vars []interface{}) {
	return "CONSTRAINT ? CHECK (?)", []interface{}{clause.Column{Name: chk.Name}, clause.Expr{SQL: chk.Constraint}}
}

// ParseCheckConstraints parse schema check constraints
func (schema *Schema) ParseCheckConstraints() map[string]CheckConstraint {

type Reader struct {
	args       *ReaderArgs
	decoder    *jstream.Decoder
	valueCh    chan *jstream.MetaValue
	readCloser io.ReadCloser
}

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

	var kvs jstream.KVS

	Active    *bool
}

type (
	mytime time.Time
	myint  int
	mybool = bool
)

type AdvancedDataTypeUser struct {
	ID           sql.NullInt64
	Name         *sql.NullString
	Birthday     sql.NullTime
	RegisteredAt mytime
	DeletedAt    *mytime
	Active       mybool
	Admin        *mybool
}

type BaseModel struct {
	ID        uint
	CreatedAt time.Time
	CreatedBy *int

# Testing a Database { #testing-a-database }

You can study about databases, SQL, and SQLModel in the <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel docs</a>. 🤓

There's a mini <a href="https://sqlmodel.tiangolo.com/tutorial/fastapi/" class="external-link" target="_blank">tutorial on using SQLModel with FastAPI</a>. ✨

	ArgsList []*Expression `parser:"\"(\" (@@ (\",\" @@)*)?\")\""`
}

// CountFunc represents the COUNT sql function
type CountFunc struct {
	StarArg bool        `parser:" \"COUNT\" \"(\" ( @\"*\"?"`
	ExprArg *Expression `parser:" @@? )! \")\""`
}

// CastFunc represents CAST sql function
type CastFunc struct {
	Expr     *Expression `parser:" \"CAST\" \"(\" @@ "`

# Eine Datenbank testen { #testing-a-database }

Sie können sich über Datenbanken, SQL und SQLModel in der <a href="https://sqlmodel.tiangolo.com/" class="external-link" target="_blank">SQLModel-Dokumentation</a> informieren. 🤓

Es gibt ein kurzes <a href="https://sqlmodel.tiangolo.com/tutorial/fastapi/" class="external-link" target="_blank">Tutorial zur Verwendung von SQLModel mit 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
		}
	)

package tests_test

import (
	"context"
	"time"

	"gorm.io/gorm/logger"
)

type Tracer struct {
	Logger logger.Interface
	Test   func(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error)
}

func (S Tracer) LogMode(level logger.LogLevel) logger.Interface {
	return S.Logger.LogMode(level)
}

func (S Tracer) Info(ctx context.Context, s string, i ...interface{}) {