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Column reference from sub queries.

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This commit is contained in:
go-jet 2019-06-08 16:34:15 +02:00
parent e727fc3d4f
commit e772768180
13 changed files with 507 additions and 470 deletions
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43
tests/select_test.go
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@ -203,7 +203,7 @@ FROM dvds.film_actor
INNER JOIN dvds.inventory ON (inventory.film_id = film.film_id)
INNER JOIN dvds.rental ON (rental.inventory_id = inventory.inventory_id)
ORDER BY film.film_id ASC
LIMIT 50;
LIMIT 500;
`
for i := 0; i < 1; i++ {
query := FilmActor.
@ -222,9 +222,9 @@ LIMIT 50;
).
//WHERE(FilmActor.ActorID.GtEqL(1).AND(FilmActor.ActorID.LtEqL(2))).
ORDER_BY(Film.FilmID.ASC()).
LIMIT(50)
LIMIT(500)
assertQuery(t, query, expectedSql, int64(50))
assertQuery(t, query, expectedSql, int64(500))
var languageActorFilm []struct {
model.Language
@ -247,7 +247,7 @@ LIMIT 50;
assert.NilError(t, err)
assert.Equal(t, len(languageActorFilm), 1)
assert.Equal(t, len(languageActorFilm[0].Films), 1)
assert.Equal(t, len(languageActorFilm[0].Films), 6)
assert.Equal(t, len(languageActorFilm[0].Films[0].Actors), 10)
}
@ -708,8 +708,7 @@ SELECT actor.actor_id AS "actor.actor_id",
film_actor.actor_id AS "film_actor.actor_id",
film_actor.film_id AS "film_actor.film_id",
film_actor.last_update AS "film_actor.last_update",
films."film.title" AS "film.title",
films."film.rating" AS "film.rating"
rfilms."film.title" AS "film.title"
FROM dvds.actor
INNER JOIN dvds.film_actor ON (actor.actor_id = film_actor.film_id)
INNER JOIN (
@ -718,28 +717,28 @@ FROM dvds.actor
film.rating AS "film.rating"
FROM dvds.film
WHERE film.rating = 'R'
) AS films ON (film_actor.film_id = films."film.film_id");
) AS rfilms ON (film_actor.film_id = rfilms."film.film_id");
`
rFilmsOnly := Film.
rRatingFilms := Film.
SELECT(
Film.FilmID,
Film.Title,
Film.Rating,
).
WHERE(Film.Rating.EQ(enum.MpaaRating.R)).
AsTable("films")
AsTable("rfilms")
rFilmId := rFilmsOnly.RefIntColumn(Film.FilmID)
rFilmId := Film.FilmID.From(rRatingFilms)
rTitle := Film.Title.From(rRatingFilms)
query := Actor.
INNER_JOIN(FilmActor, Actor.ActorID.EQ(FilmActor.FilmID)).
INNER_JOIN(rFilmsOnly, FilmActor.FilmID.EQ(rFilmId)).
INNER_JOIN(rRatingFilms, FilmActor.FilmID.EQ(rFilmId)).
SELECT(
Actor.AllColumns,
FilmActor.AllColumns,
rFilmsOnly.RefStringColumn(Film.Title).AS("film.title"),
rFilmsOnly.RefStringColumn(Film.Rating).AS("film.rating"),
rTitle.AS("film.title"),
)
fmt.Println(query.Sql())
@ -914,24 +913,24 @@ FROM dvds.customer
ORDER BY customer_payment_sum.amount_sum ASC;
`
customersPaymentSubQuery := Payment.
customersPayments := Payment.
SELECT(
Payment.CustomerID,
SUMf(Payment.Amount).AS("amount_sum"),
).
GROUP_BY(Payment.CustomerID)
GROUP_BY(Payment.CustomerID).
AsTable("customer_payment_sum")
customersPaymentTable := customersPaymentSubQuery.AsTable("customer_payment_sum")
amountSumColumn := customersPaymentTable.RefIntColumnName("amount_sum")
customerId := customersPaymentTable.RefIntColumn(Payment.CustomerID)
customerId := Payment.CustomerID.From(customersPayments)
amountSum := FloatColumn("amount_sum").From(customersPayments)
query := Customer.
INNER_JOIN(customersPaymentTable, Customer.CustomerID.EQ(customerId)).
INNER_JOIN(customersPayments, Customer.CustomerID.EQ(customerId)).
SELECT(
Customer.AllColumns,
amountSumColumn.AS("customer_with_amounts.amount_sum"),
amountSum.AS("customer_with_amounts.amount_sum"),
).
ORDER_BY(amountSumColumn.ASC())
ORDER_BY(amountSum.ASC())
assertQuery(t, query, expectedSql)
@ -1039,7 +1038,7 @@ OFFSET 20;
SELECT(Payment.PaymentID, Payment.Amount).
WHERE(Payment.Amount.GT_EQ(Float(200))),
).
ORDER_BY(RefColumn("payment.payment_id").ASC(), Payment.Amount.DESC()).
ORDER_BY(IntegerColumn("payment.payment_id").ASC(), Payment.Amount.DESC()).
LIMIT(10).
OFFSET(20)