homebox/backend/ent/migrate/migrate.go
Hayden 8ba954674e
feat: versioned migrations (#26)
* enable atlas migrations

* use embedded atlas migrations

* chores

* bad migration example

* tidy

* fix linter issues

* reset migration state

* sort slice before testing

* move temp write logic to migrations package
2022-09-27 20:26:44 -08:00

96 lines
3.7 KiB
Go

// Code generated by ent, DO NOT EDIT.
package migrate
import (
"context"
"fmt"
"io"
"entgo.io/ent/dialect"
"entgo.io/ent/dialect/sql/schema"
)
var (
// WithGlobalUniqueID sets the universal ids options to the migration.
// If this option is enabled, ent migration will allocate a 1<<32 range
// for the ids of each entity (table).
// Note that this option cannot be applied on tables that already exist.
WithGlobalUniqueID = schema.WithGlobalUniqueID
// WithDropColumn sets the drop column option to the migration.
// If this option is enabled, ent migration will drop old columns
// that were used for both fields and edges. This defaults to false.
WithDropColumn = schema.WithDropColumn
// WithDropIndex sets the drop index option to the migration.
// If this option is enabled, ent migration will drop old indexes
// that were defined in the schema. This defaults to false.
// Note that unique constraints are defined using `UNIQUE INDEX`,
// and therefore, it's recommended to enable this option to get more
// flexibility in the schema changes.
WithDropIndex = schema.WithDropIndex
// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
WithForeignKeys = schema.WithForeignKeys
)
// Schema is the API for creating, migrating and dropping a schema.
type Schema struct {
drv dialect.Driver
}
// NewSchema creates a new schema client.
func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
// Create creates all schema resources.
func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
return Create(ctx, s, Tables, opts...)
}
// Create creates all table resources using the given schema driver.
func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
migrate, err := schema.NewMigrate(s.drv, opts...)
if err != nil {
return fmt.Errorf("ent/migrate: %w", err)
}
return migrate.Create(ctx, tables...)
}
// Diff compares the state read from a database connection or migration directory with
// the state defined by the Ent schema. Changes will be written to new migration files.
func Diff(ctx context.Context, url string, opts ...schema.MigrateOption) error {
return NamedDiff(ctx, url, "changes", opts...)
}
// NamedDiff compares the state read from a database connection or migration directory with
// the state defined by the Ent schema. Changes will be written to new named migration files.
func NamedDiff(ctx context.Context, url, name string, opts ...schema.MigrateOption) error {
return schema.Diff(ctx, url, name, Tables, opts...)
}
// Diff creates a migration file containing the statements to resolve the diff
// between the Ent schema and the connected database.
func (s *Schema) Diff(ctx context.Context, opts ...schema.MigrateOption) error {
migrate, err := schema.NewMigrate(s.drv, opts...)
if err != nil {
return fmt.Errorf("ent/migrate: %w", err)
}
return migrate.Diff(ctx, Tables...)
}
// NamedDiff creates a named migration file containing the statements to resolve the diff
// between the Ent schema and the connected database.
func (s *Schema) NamedDiff(ctx context.Context, name string, opts ...schema.MigrateOption) error {
migrate, err := schema.NewMigrate(s.drv, opts...)
if err != nil {
return fmt.Errorf("ent/migrate: %w", err)
}
return migrate.NamedDiff(ctx, name, Tables...)
}
// WriteTo writes the schema changes to w instead of running them against the database.
//
// if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
// log.Fatal(err)
// }
func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
}