mirror of https://github.com/go-gorm/gorm.git
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
package gorm
|
|
|
|
import (
|
|
"gorm.io/gorm/clause"
|
|
"gorm.io/gorm/schema"
|
|
)
|
|
|
|
// Migrator returns migrator
|
|
func (db *DB) Migrator() Migrator {
|
|
// apply scopes to migrator
|
|
for len(db.Statement.scopes) > 0 {
|
|
scopes := db.Statement.scopes
|
|
db.Statement.scopes = nil
|
|
for _, scope := range scopes {
|
|
db = scope(db)
|
|
}
|
|
}
|
|
|
|
return db.Dialector.Migrator(db.Session(&Session{}))
|
|
}
|
|
|
|
// AutoMigrate run auto migration for given models
|
|
func (db *DB) AutoMigrate(dst ...interface{}) error {
|
|
return db.Migrator().AutoMigrate(dst...)
|
|
}
|
|
|
|
// ViewOption view option
|
|
type ViewOption struct {
|
|
Replace bool
|
|
CheckOption string
|
|
Query *DB
|
|
}
|
|
|
|
type ColumnType interface {
|
|
Name() string
|
|
DatabaseTypeName() string
|
|
Length() (length int64, ok bool)
|
|
DecimalSize() (precision int64, scale int64, ok bool)
|
|
Nullable() (nullable bool, ok bool)
|
|
}
|
|
|
|
type Migrator interface {
|
|
// AutoMigrate
|
|
AutoMigrate(dst ...interface{}) error
|
|
|
|
// Database
|
|
CurrentDatabase() string
|
|
FullDataTypeOf(*schema.Field) clause.Expr
|
|
|
|
// Tables
|
|
CreateTable(dst ...interface{}) error
|
|
DropTable(dst ...interface{}) error
|
|
HasTable(dst interface{}) bool
|
|
RenameTable(oldName, newName interface{}) error
|
|
|
|
// Columns
|
|
AddColumn(dst interface{}, field string) error
|
|
DropColumn(dst interface{}, field string) error
|
|
AlterColumn(dst interface{}, field string) error
|
|
MigrateColumn(dst interface{}, field *schema.Field, columnType ColumnType) error
|
|
HasColumn(dst interface{}, field string) bool
|
|
RenameColumn(dst interface{}, oldName, field string) error
|
|
ColumnTypes(dst interface{}) ([]ColumnType, error)
|
|
|
|
// Views
|
|
CreateView(name string, option ViewOption) error
|
|
DropView(name string) error
|
|
|
|
// Constraints
|
|
CreateConstraint(dst interface{}, name string) error
|
|
DropConstraint(dst interface{}, name string) error
|
|
HasConstraint(dst interface{}, name string) bool
|
|
|
|
// Indexes
|
|
CreateIndex(dst interface{}, name string) error
|
|
DropIndex(dst interface{}, name string) error
|
|
HasIndex(dst interface{}, name string) bool
|
|
RenameIndex(dst interface{}, oldName, newName string) error
|
|
}
|