yoyo-project/yoyo

package base

import (
    "github.com/yoyo-project/yoyo/internal/datatype"
    "github.com/yoyo-project/yoyo/internal/schema"
)

// Base is a partial implementation of migration.Dialect. It provides the TypeString method.
type Base struct {
    Dialect string
}

// TypeString is implemented because, with most datatype.Datatype values in most SQL dialects, the datatype.Datatype String()
// method will probably be correct. Dialect-specific implementations can extend this TypeString method with any specific
// exceptions. For one example, check the mysql.migrator's TypeString method.
func (d *Base) TypeString(dt datatype.Datatype) (string, error) {
    s := dt.String()

    if s == "NONE" {
        return "", datatype.ErrUnknownDatatype
    }

    return s, nil
}

func (*Base) ValidateTable(t schema.Table) error {
    return nil
}

func (*Base) SupportsAutoIncrement() bool {
    return false
}