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entc/gen: move set-neighbors logic from codegen to sqlgraph

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Summary: Pull Request resolved: https://github.com/facebookincubator/ent/pull/183

Reviewed By: alexsn

Differential Revision: D18644179

fbshipit-source-id: 2f2b0c03811a09c4c11240e5161187afbb2ac553
This commit is contained in:
Ariel Mashraki
2019-11-24 02:43:21 -08:00
committed by Facebook Github Bot
parent 1e49561634
commit c355ed49be
34 changed files with 659 additions and 659 deletions
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50
examples/m2mrecur/ent/user_query.go
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@@ -56,40 +56,34 @@ func (uq *UserQuery) Order(o ...Order) *UserQuery {
// QueryFollowers chains the current query on the followers edge.
func (uq *UserQuery) QueryFollowers() *UserQuery {
query := &UserQuery{config: uq.config}
builder := sql.Dialect(uq.driver.Dialect())
t1 := builder.Table(user.Table)
t2 := uq.sqlQuery()
t2.Select(t2.C(user.FieldID))
t3 := builder.Table(user.FollowersTable)
t4 := builder.Select(t3.C(user.FollowersPrimaryKey[0])).
From(t3).
Join(t2).
On(t3.C(user.FollowersPrimaryKey[1]), t2.C(user.FieldID))
query.sql = builder.Select().
From(t1).
Join(t4).
On(t1.C(user.FieldID), t4.C(user.FollowersPrimaryKey[0]))
step := &sql.Step{}
step.From.V = uq.sqlQuery()
step.From.Table = user.Table
step.From.Column = user.FieldID
step.To.Table = user.Table
step.To.Column = user.FieldID
step.Edge.Rel = sql.M2M
step.Edge.Inverse = true
step.Edge.Table = user.FollowersTable
step.Edge.Columns = append(step.Edge.Columns, user.FollowersPrimaryKey...)
query.sql = sql.SetNeighbors(uq.driver.Dialect(), step)
return query
}
// QueryFollowing chains the current query on the following edge.
func (uq *UserQuery) QueryFollowing() *UserQuery {
query := &UserQuery{config: uq.config}
builder := sql.Dialect(uq.driver.Dialect())
t1 := builder.Table(user.Table)
t2 := uq.sqlQuery()
t2.Select(t2.C(user.FieldID))
t3 := builder.Table(user.FollowingTable)
t4 := builder.Select(t3.C(user.FollowingPrimaryKey[1])).
From(t3).
Join(t2).
On(t3.C(user.FollowingPrimaryKey[0]), t2.C(user.FieldID))
query.sql = builder.Select().
From(t1).
Join(t4).
On(t1.C(user.FieldID), t4.C(user.FollowingPrimaryKey[1]))
step := &sql.Step{}
step.From.V = uq.sqlQuery()
step.From.Table = user.Table
step.From.Column = user.FieldID
step.To.Table = user.Table
step.To.Column = user.FieldID
step.Edge.Rel = sql.M2M
step.Edge.Inverse = false
step.Edge.Table = user.FollowingTable
step.Edge.Columns = append(step.Edge.Columns, user.FollowingPrimaryKey...)
query.sql = sql.SetNeighbors(uq.driver.Dialect(), step)
return query
}