Documentation ¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
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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 )
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var ( // LinksColumns holds the columns for the "links" table. LinksColumns = []*schema.Column{ {Name: "id", Type: field.TypeUUID, Comment: "UUID"}, {Name: "url", Type: field.TypeString, Comment: "URL"}, {Name: "hash", Type: field.TypeString, Comment: "Hash"}, {Name: "describe", Type: field.TypeString, Nullable: true, Size: 2147483647, Comment: "Describe"}, {Name: "json", Type: field.TypeJSON, Comment: "JSON"}, {Name: "created_at", Type: field.TypeTime, Comment: "Created at"}, {Name: "updated_at", Type: field.TypeTime, Comment: "Updated at"}, } // LinksTable holds the schema information for the "links" table. LinksTable = &schema.Table{ Name: "links", Comment: "Link holds the schema definition for the Link entity.", Columns: LinksColumns, PrimaryKey: []*schema.Column{LinksColumns[0]}, Indexes: []*schema.Index{ { Name: "link_url_url", Unique: true, Columns: []*schema.Column{LinksColumns[1], LinksColumns[1]}, }, { Name: "link_hash_hash", Unique: true, Columns: []*schema.Column{LinksColumns[2], LinksColumns[2]}, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ LinksTable, } )
Functions ¶
Types ¶
type Schema ¶
type Schema struct {
// contains filtered or unexported fields
}
Schema is the API for creating, migrating and dropping a schema.
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