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How to use IsValid method of migrator Package

Best Testkube code snippet using migrator.IsValid

migrator.go

Source:migrator.go

...42	for _, migrationType := range migrationTypes {43		types[migrationType] = struct{}{}44	}45	for _, migration := range m.Migrations {46		if ok, err := m.IsValid(migration.Version(), currentVersion); ok && err == nil {47			if _, ok = types[migration.Type()]; ok {48				migrations = append(migrations, migration)49			}50		}51	}52	return53}54// Run runs migrations of passed migration types55func (m *Migrator) Run(currentVersion string, migrationTypes ...MigrationType) error {56	for _, migration := range m.GetValidMigrations(currentVersion, migrationTypes...) {57		err := migration.Migrate()58		if err != nil {59			return err60		}61	}62	return nil63}64// IsValid checks if versions constraints are met, assuming that currentVersion65// is just updated version and it should be taken for migration66func (m Migrator) IsValid(migrationVersion, currentVersion string) (bool, error) {67	// clean possible v prefixes68	migrationVersion = strings.TrimPrefix(migrationVersion, "v")69	currentVersion = strings.TrimPrefix(currentVersion, "v")70	if migrationVersion == "" || currentVersion == "" {71		return false, fmt.Errorf("empty version migration:'%s', current:'%s'", migrationVersion, currentVersion)72	}73	return version.Lte(currentVersion, migrationVersion)74}75// ExecuteCommands executes multiple commands returns multiple commands outputs76func (m Migrator) ExecuteCommands(commands []string) (outputs []string, err error) {77	for _, command := range commands {78		out, err := process.ExecuteString(command)79		if err != nil {80			return outputs, err...

migrate.go

Source:migrate.go

...40func (m *Migrator) Up() bool {41	tempversion := m.currentversion + 142	upfunction := fmt.Sprintf("Up_%03d", tempversion)43	migration_func := m.resolveFunction(upfunction)44	if !migration_func.IsValid() {45		return false46	}47	fmt.Printf("Migrate up to version %03d\n", tempversion)48	migration_func.Call(nil)49	m.currentversion = tempversion50	return true51}52func (m *Migrator) Down() bool {53	tempversion := m.currentversion54	downfunction := fmt.Sprintf("Down_%03d", tempversion)55	migration_func := m.resolveFunction(downfunction)56	if !migration_func.IsValid() {57		fmt.Printf("No migration down from version %03d\n", m.currentversion)58		return false59	}60	fmt.Printf("Migrate down to version %03d\n", tempversion-1)61	migration_func.Call(nil)62	tempversion = tempversion - 163	m.currentversion = tempversion64	return true65}...

IsValid

Using AI Code Generation

1import (2func main() {3    db, err := gorm.Open("sqlite3", "test.db")4    if err != nil {5        panic("failed to connect database")6    }7    defer db.Close()8    db.AutoMigrate(&Product{})9    migrator := db.Migrator()10    if migrator.HasTable(&User{}) {11        println("Table exists")12    } else {13        println("Table doesn't exist")14    }15}16import (17func main() {18    db, err := gorm.Open("sqlite3", "test.db")19    if err != nil {20        panic("failed to connect database")21    }22    defer db.Close()23    db.AutoMigrate(&Product{})24    migrator := db.Migrator()25    if migrator.HasColumn(&Product{}, "price") {26        println("Column exists")27    } else {28        println("Column doesn't exist")29    }30}31import (32func main() {33    db, err := gorm.Open("sqlite3", "test.db")34    if err != nil {35        panic("failed to connect database")36    }37    defer db.Close()38    db.AutoMigrate(&Product{})39    migrator := db.Migrator()40    if migrator.HasForeignKey(&Product{}, "category_id") {41        println("Foreign key exists")42    } else {43        println("Foreign key doesn't exist")44    }45}46import (47func main() {

IsValid

Using AI Code Generation

1import (2func main() {3	db, err := gorm.Open("sqlite3", "test.db")4	if err != nil {5		panic("failed to connect database")6	}7	defer db.Close()8	db.AutoMigrate(&Product{})9	fmt.Println(db.HasTable(&Product{}))10}11import (12func main() {13	db, err := gorm.Open("sqlite3", "test.db")14	if err != nil {15		panic("failed to connect database")16	}17	defer db.Close()18	db.AutoMigrate(&Product{})19	fmt.Println(db.HasTable(&Product{}))20}21import (22func main() {23	db, err := gorm.Open("sqlite3", "test.db")24	if err != nil {25		panic("failed to connect database")26	}27	defer db.Close()28	db.AutoMigrate(&Product{})29	fmt.Println(db.HasTable(&Product{}))30	db.DropTable(&Product{})31	fmt.Println(db.HasTable(&Product{}))32}33import (34func main() {35	db, err := gorm.Open("sqlite3", "test.db")36	if err != nil {37		panic("failed to connect database")38	}39	defer db.Close()40	db.AutoMigrate(&Product{})41	fmt.Println(db.HasTable(&Product{}))42	db.DropTableIfExists(&Product{})43	fmt.Println(db.HasTable(&Product{}))44}45import (

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