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73 lines
2.4 KiB
73 lines
2.4 KiB
4 years ago
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// Code generated by entc, DO NOT EDIT.
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package migrate
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import (
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"context"
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"fmt"
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"io"
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"entgo.io/ent/dialect"
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"entgo.io/ent/dialect/sql/schema"
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)
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var (
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// WithGlobalUniqueID sets the universal ids options to the migration.
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// If this option is enabled, ent migration will allocate a 1<<32 range
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// for the ids of each entity (table).
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// Note that this option cannot be applied on tables that already exist.
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WithGlobalUniqueID = schema.WithGlobalUniqueID
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// WithDropColumn sets the drop column option to the migration.
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// If this option is enabled, ent migration will drop old columns
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// that were used for both fields and edges. This defaults to false.
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WithDropColumn = schema.WithDropColumn
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// WithDropIndex sets the drop index option to the migration.
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// If this option is enabled, ent migration will drop old indexes
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// that were defined in the schema. This defaults to false.
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// Note that unique constraints are defined using `UNIQUE INDEX`,
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// and therefore, it's recommended to enable this option to get more
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// flexibility in the schema changes.
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WithDropIndex = schema.WithDropIndex
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// WithFixture sets the foreign-key renaming option to the migration when upgrading
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// ent from v0.1.0 (issue-#285). Defaults to false.
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WithFixture = schema.WithFixture
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// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
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WithForeignKeys = schema.WithForeignKeys
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)
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// Schema is the API for creating, migrating and dropping a schema.
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type Schema struct {
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drv dialect.Driver
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universalID bool
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}
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// NewSchema creates a new schema client.
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func NewSchema(drv dialect.Driver) *Schema { return &Schema{drv: drv} }
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// Create creates all schema resources.
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func (s *Schema) Create(ctx context.Context, opts ...schema.MigrateOption) error {
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migrate, err := schema.NewMigrate(s.drv, opts...)
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if err != nil {
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return fmt.Errorf("ent/migrate: %v", err)
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}
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return migrate.Create(ctx, Tables...)
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}
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// WriteTo writes the schema changes to w instead of running them against the database.
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//
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// if err := client.Schema.WriteTo(context.Background(), os.Stdout); err != nil {
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// log.Fatal(err)
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// }
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//
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func (s *Schema) WriteTo(ctx context.Context, w io.Writer, opts ...schema.MigrateOption) error {
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drv := &schema.WriteDriver{
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Writer: w,
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Driver: s.drv,
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}
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migrate, err := schema.NewMigrate(drv, opts...)
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if err != nil {
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return fmt.Errorf("ent/migrate: %v", err)
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}
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return migrate.Create(ctx, Tables...)
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}
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