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goqu is an expressive SQL builder and executor

If you are upgrading from an older version please read the Migrating Between Versions docs.

Installation

If using go modules.

go get -u github.com/doug-martin/goqu/v9

If you are not using go modules…

NOTE You should still be able to use this package if you are using go version >v1.10 but, you will need to drop the version from the package. import "github.com/doug-martin/goqu/v9 -> import "github.com/doug-martin/goqu"

go get -u github.com/doug-martin/goqu

Migrating Between Versions

Features

goqu comes with many features but here are a few of the more notable ones

While goqu may support the scanning of rows into structs it is not intended to be used as an ORM if you are looking for common ORM features like associations, or hooks I would recommend looking at some of the great ORM libraries such as:

Why?

We tried a few other sql builders but each was a thin wrapper around sql fragments that we found error prone. goqu was built with the following goals in mind:

Docs

Quick Examples

Select

See the select dataset docs for more in depth examples

sql, _, _ := goqu.From("test").ToSQL()
fmt.Println(sql)

Output:

SELECT * FROM "test"
sql, _, _ := goqu.From("test").Where(goqu.Ex{
	"d": []string{"a", "b", "c"},
}).ToSQL()
fmt.Println(sql)

Output:

SELECT * FROM "test" WHERE ("d" IN ('a', 'b', 'c'))

Insert

See the insert dataset docs for more in depth examples

ds := goqu.Insert("user").
	Cols("first_name", "last_name").
	Vals(
		goqu.Vals{"Greg", "Farley"},
		goqu.Vals{"Jimmy", "Stewart"},
		goqu.Vals{"Jeff", "Jeffers"},
	)
insertSQL, args, _ := ds.ToSQL()
fmt.Println(insertSQL, args)

Output:

INSERT INTO "user" ("first_name", "last_name") VALUES ('Greg', 'Farley'), ('Jimmy', 'Stewart'), ('Jeff', 'Jeffers') []
ds := goqu.Insert("user").Rows(
	goqu.Record{"first_name": "Greg", "last_name": "Farley"},
	goqu.Record{"first_name": "Jimmy", "last_name": "Stewart"},
	goqu.Record{"first_name": "Jeff", "last_name": "Jeffers"},
)
insertSQL, args, _ := ds.ToSQL()
fmt.Println(insertSQL, args)

Output:

INSERT INTO "user" ("first_name", "last_name") VALUES ('Greg', 'Farley'), ('Jimmy', 'Stewart'), ('Jeff', 'Jeffers') []
type User struct {
	FirstName string `db:"first_name"`
	LastName  string `db:"last_name"`
}
ds := goqu.Insert("user").Rows(
	User{FirstName: "Greg", LastName: "Farley"},
	User{FirstName: "Jimmy", LastName: "Stewart"},
	User{FirstName: "Jeff", LastName: "Jeffers"},
)
insertSQL, args, _ := ds.ToSQL()
fmt.Println(insertSQL, args)

Output:

INSERT INTO "user" ("first_name", "last_name") VALUES ('Greg', 'Farley'), ('Jimmy', 'Stewart'), ('Jeff', 'Jeffers') []
ds := goqu.Insert("user").Prepared(true).
	FromQuery(goqu.From("other_table"))
insertSQL, args, _ := ds.ToSQL()
fmt.Println(insertSQL, args)

Output:

INSERT INTO "user" SELECT * FROM "other_table" []
ds := goqu.Insert("user").Prepared(true).
	Cols("first_name", "last_name").
	FromQuery(goqu.From("other_table").Select("fn", "ln"))
insertSQL, args, _ := ds.ToSQL()
fmt.Println(insertSQL, args)

Output:

INSERT INTO "user" ("first_name", "last_name") SELECT "fn", "ln" FROM "other_table" []

Update

See the update dataset docs for more in depth examples

sql, args, _ := goqu.Update("items").Set(
	goqu.Record{"name": "Test", "address": "111 Test Addr"},
).ToSQL()
fmt.Println(sql, args)

Output:

UPDATE "items" SET "address"='111 Test Addr',"name"='Test' []
type item struct {
	Address string `db:"address"`
	Name    string `db:"name" goqu:"skipupdate"`
}
sql, args, _ := goqu.Update("items").Set(
	item{Name: "Test", Address: "111 Test Addr"},
).ToSQL()
fmt.Println(sql, args)

Output:

UPDATE "items" SET "address"='111 Test Addr' []
sql, _, _ := goqu.Update("test").
	Set(goqu.Record{"foo": "bar"}).
	Where(goqu.Ex{
		"a": goqu.Op{"gt": 10}
	}).ToSQL()
fmt.Println(sql)

Output:

UPDATE "test" SET "foo"='bar' WHERE ("a" > 10)

Delete

See the delete dataset docs for more in depth examples

ds := goqu.Delete("items")

sql, args, _ := ds.ToSQL()
fmt.Println(sql, args)
sql, _, _ := goqu.Delete("test").Where(goqu.Ex{
		"c": nil
	}).ToSQL()
fmt.Println(sql)

Output:

DELETE FROM "test" WHERE ("c" IS NULL)

Contributions

I am always welcoming contributions of any type. Please open an issue or create a PR if you find an issue with any of the following.

If you have an issue with the package please include the following

Without those basics it can be difficult to reproduce your issue locally. You may be asked for more information but that is a good starting point.

New Features

New features and/or enhancements are great and I encourage you to either submit a PR or create an issue. In both cases include the following as the need/requirement may not be readily apparent.

  1. The use case
  2. A short example

If you are issuing a PR also also include the following

  1. Tests - otherwise the PR will not be merged
  2. Documentation - otherwise the PR will not be merged
  3. Examples - [If applicable] see example_test.go for examples

If you find an issue you want to work on please comment on it letting other people know you are looking at it and I will assign the issue to you.

If want to work on an issue but dont know where to start just leave a comment and I’ll be more than happy to point you in the right direction.

Running tests

The test suite requires a postgres, mysql and sqlserver databases. You can override the connection strings with the MYSQL_URI, PG_URI, SQLSERVER_URI environment variables*

go test -v -race ./...

You can also run the tests in a container using docker-compose.

GO_VERSION=latest docker-compose run goqu

License

goqu is released under the MIT License.