golang/ent

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Files

Ariel Mashraki 7be1779ad1 entc/gen: add the type name as an index prefix (#171 )

Summary:
Pull Request resolved: https://github.com/facebookincubator/ent/pull/171

Note that this is a non backwards compatible change.

I'll add another change (before this) for setting the storage-key of the index, and only after that we can land this.

Reviewed By: alexsn

Differential Revision: D18570445

fbshipit-source-id: e3ffc7b4baa6bc2fcce9e4553e17817091423b1e

2019-11-20 07:08:47 -08:00

ent

entc/gen: add the type name as an index prefix (#171 )

2019-11-20 07:08:47 -08:00

entcpkg.go

entc: add option to use entc as package

2019-10-07 07:06:32 -07:00

README.md

entc: add option to use entc as package

2019-10-07 07:06:32 -07:00

README.md

entcpkg example

An example of using entc (ent codegen) as package rather than an executable.

In this example, we have a file named entc.go under the ./ent directory, that holds the configuration for the codegen:

// +build ignore

package main

import (
	"log"

	"github.com/facebookincubator/ent/entc"
	"github.com/facebookincubator/ent/entc/gen"
	"github.com/facebookincubator/ent/schema/field"
)

func main() {
	err := entc.Generate("./schema", &gen.Config{
		Header: `
			// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
			// This source code is licensed under the Apache 2.0 license found
			// in the LICENSE file in the root directory of this source tree.

			// Code generated (@generated) by entc, DO NOT EDIT.
		`,
		IDType: &field.TypeInfo{Type: field.TypeInt},
	})
	if err != nil {
		log.Fatal("running ent codegen:", err)
	}
}

As you can see, the file is tagged with // +build ignore in order to not include it in the ent package. In order to run the codegen, run the file itself (using go run) or run go generate ./ent. The generate.go file holds the go run command:

package ent

//go:generate go run entc.go

The generate.go file is preferred if you have many generate pragmas in your project.