github.com/NpoolPlatform/chain-middleware@v0.0.0-20240228100535-eb1bcf896eb9/pkg/db/ent/migrate/migrate.go (about)

     1  // Code generated by ent, DO NOT EDIT.
     2  
     3  package migrate
     4  
     5  import (
     6  	"context"
     7  	"fmt"
     8  	"io"
     9  
    10  	"entgo.io/ent/dialect"
    11  	"entgo.io/ent/dialect/sql/schema"
    12  )
    13  
    14  var (
    15  	// WithGlobalUniqueID sets the universal ids options to the migration.
    16  	// If this option is enabled, ent migration will allocate a 1<<32 range
    17  	// for the ids of each entity (table).
    18  	// Note that this option cannot be applied on tables that already exist.
    19  	WithGlobalUniqueID = schema.WithGlobalUniqueID
    20  	// WithDropColumn sets the drop column option to the migration.
    21  	// If this option is enabled, ent migration will drop old columns
    22  	// that were used for both fields and edges. This defaults to false.
    23  	WithDropColumn = schema.WithDropColumn
    24  	// WithDropIndex sets the drop index option to the migration.
    25  	// If this option is enabled, ent migration will drop old indexes
    26  	// that were defined in the schema. This defaults to false.
    27  	// Note that unique constraints are defined using `UNIQUE INDEX`,
    28  	// and therefore, it's recommended to enable this option to get more
    29  	// flexibility in the schema changes.
    30  	WithDropIndex = schema.WithDropIndex
    31  	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
    32  	WithForeignKeys = schema.WithForeignKeys
    33  )
    34  
    35  // Schema is the API for creating, migrating and dropping a schema.
    36  type Schema struct {
    37  	drv dialect.Driver
    38  }
    39  
    40  // NewSchema creates a new schema client.
    41  func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
    42  
    43  // Create creates all schema resources.
    44  func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
    45  	return Create(ctx, s, Tables, opts...)
    46  }
    47  
    48  // Create creates all table resources using the given schema driver.
    49  func Create(ctx context.Context, s *Schema, tables []*schema.Table, opts ...schema.MigrateOption) error {
    50  	migrate, err := schema.NewMigrate(s.drv, opts...)
    51  	if err != nil {
    52  		return fmt.Errorf("ent/migrate: %w", err)
    53  	}
    54  	return migrate.Create(ctx, tables...)
    55  }
    56  
    57  // WriteTo writes the schema changes to w instead of running them against the database.
    58  //
    59  // 	if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
    60  //		log.Fatal(err)
    61  // 	}
    62  //
    63  func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
    64  	return Create(ctx, &Schema{drv: &schema.WriteDriver{Writer: w, Driver: s.drv}}, Tables, opts...)
    65  }