Documentation
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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 ( // ProductsColumns holds the columns for the "products" table. ProductsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString}, {Name: "price", Type: field.TypeFloat64, SchemaType: map[string]string{"mysql": "decimal(10,2)", "postgres": "numeric"}}, {Name: "stock", Type: field.TypeInt, Default: 0}, } // ProductsTable holds the schema information for the "products" table. ProductsTable = &schema.Table{ Name: "products", Columns: ProductsColumns, PrimaryKey: []*schema.Column{ProductsColumns[0]}, } // UsersColumns holds the columns for the "users" table. UsersColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "age", Type: field.TypeInt}, {Name: "rank", Type: field.TypeFloat64, Nullable: true}, {Name: "active", Type: field.TypeBool, Default: false}, {Name: "name", Type: field.TypeString, Unique: true}, {Name: "created_at", Type: field.TypeTime}, {Name: "url", Type: field.TypeJSON, Nullable: true}, {Name: "strings", Type: field.TypeJSON, Nullable: true}, {Name: "state", Type: field.TypeEnum, Nullable: true, Enums: []string{"on", "off"}}, } // UsersTable holds the schema information for the "users" table. UsersTable = &schema.Table{ Name: "users", Columns: UsersColumns, PrimaryKey: []*schema.Column{UsersColumns[0]}, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ ProductsTable, UsersTable, } )
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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