package migrate

// Dialect defines the interface for database-specific SQL generation.
// Implementations must provide SQL statements for creating and managing
// the migration version table.
type Dialect interface {
	// CreateTable returns SQL to create the migration version table
	CreateTable(table string) string

	// TableExists returns SQL to check if the migration version table exists
	TableExists(table string) string

	// CheckVersion returns SQL to get the current migration version
	CheckVersion(table string) string

	// InsertVersion returns SQL to insert a new migration version record
	InsertVersion(table string) string
}