1031 lines
29 KiB
Go
1031 lines
29 KiB
Go
package mysql
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import (
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"context"
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"strings"
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"testing"
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"time"
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"github.com/go-jet/jet/v2/internal/testutils"
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. "github.com/go-jet/jet/v2/mysql"
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"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/enum"
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"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/model"
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. "github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/table"
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"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/view"
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"github.com/stretchr/testify/require"
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)
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func TestSelect_ScanToStruct(t *testing.T) {
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query := Actor.
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SELECT(Actor.AllColumns).
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DISTINCT().
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WHERE(Actor.ActorID.EQ(Int(2)))
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testutils.AssertStatementSql(t, query, `
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SELECT DISTINCT actor.actor_id AS "actor.actor_id",
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actor.first_name AS "actor.first_name",
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actor.last_name AS "actor.last_name",
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actor.last_update AS "actor.last_update"
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FROM dvds.actor
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WHERE actor.actor_id = ?;
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`, int64(2))
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actor := model.Actor{}
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err := query.Query(db, &actor)
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require.NoError(t, err)
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testutils.AssertDeepEqual(t, actor, actor2)
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requireLogged(t, query)
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requireQueryLogged(t, query, 1)
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}
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var actor2 = model.Actor{
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ActorID: 2,
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FirstName: "NICK",
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LastName: "WAHLBERG",
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LastUpdate: *testutils.TimestampWithoutTimeZone("2006-02-15 04:34:33", 2),
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}
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func TestSelect_ScanToSlice(t *testing.T) {
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query := Actor.
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SELECT(Actor.AllColumns).
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ORDER_BY(Actor.ActorID)
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testutils.AssertStatementSql(t, query, `
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SELECT actor.actor_id AS "actor.actor_id",
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actor.first_name AS "actor.first_name",
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actor.last_name AS "actor.last_name",
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actor.last_update AS "actor.last_update"
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FROM dvds.actor
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ORDER BY actor.actor_id;
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`)
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var dest []model.Actor
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err := query.QueryContext(context.Background(), db, &dest)
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require.NoError(t, err)
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require.Equal(t, len(dest), 200)
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testutils.AssertDeepEqual(t, dest[1], actor2)
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//testutils.PrintJson(dest)
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//testutils.SaveJsonFile(dest, "mysql/testdata/all_actors.json")
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testutils.AssertJSONFile(t, dest, "./testdata/results/mysql/all_actors.json")
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requireLogged(t, query)
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requireQueryLogged(t, query, 200)
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}
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func TestSelectGroupByHaving(t *testing.T) {
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if sourceIsMariaDB() {
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return
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}
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expectedSQL := `
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SELECT customer.customer_id AS "customer.customer_id",
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customer.store_id AS "customer.store_id",
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customer.first_name AS "customer.first_name",
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customer.last_name AS "customer.last_name",
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customer.email AS "customer.email",
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customer.address_id AS "customer.address_id",
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customer.active AS "customer.active",
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customer.create_date AS "customer.create_date",
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customer.last_update AS "customer.last_update",
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SUM(payment.amount) AS "amount.sum",
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AVG(payment.amount) AS "amount.avg",
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MAX(payment.payment_date) AS "amount.max_date",
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MAX(payment.amount) AS "amount.max",
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MIN(payment.payment_date) AS "amount.min_date",
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MIN(payment.amount) AS "amount.min",
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COUNT(payment.amount) AS "amount.count"
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FROM dvds.payment
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INNER JOIN dvds.customer ON (customer.customer_id = payment.customer_id)
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GROUP BY payment.customer_id
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HAVING SUM(payment.amount) > 125.6
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ORDER BY payment.customer_id, SUM(payment.amount) ASC;
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`
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query := Payment.
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INNER_JOIN(Customer, Customer.CustomerID.EQ(Payment.CustomerID)).
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SELECT(
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Customer.AllColumns,
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SUMf(Payment.Amount).AS("amount.sum"),
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AVG(Payment.Amount).AS("amount.avg"),
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MAX(Payment.PaymentDate).AS("amount.max_date"),
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MAXf(Payment.Amount).AS("amount.max"),
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MIN(Payment.PaymentDate).AS("amount.min_date"),
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MINf(Payment.Amount).AS("amount.min"),
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COUNT(Payment.Amount).AS("amount.count"),
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).
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GROUP_BY(Payment.CustomerID).
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HAVING(
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SUMf(Payment.Amount).GT(Float(125.6)),
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).
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ORDER_BY(
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Payment.CustomerID, SUMf(Payment.Amount).ASC(),
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)
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//fmt.Println(query.DebugSql())
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testutils.AssertDebugStatementSql(t, query, expectedSQL, float64(125.6))
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var dest []struct {
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model.Customer
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Amount struct {
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Sum float64
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Avg float64
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Max float64
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Min float64
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Count int64
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} `alias:"amount"`
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}
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err := query.Query(db, &dest)
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require.NoError(t, err)
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//testutils.PrintJson(dest)
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require.Equal(t, len(dest), 174)
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//testutils.SaveJsonFile(dest, "mysql/testdata/customer_payment_sum.json")
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testutils.AssertJSONFile(t, dest, "./testdata/results/mysql/customer_payment_sum.json")
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requireLogged(t, query)
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}
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func TestAggregateFunctionDistinct(t *testing.T) {
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stmt := SELECT(
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Payment.CustomerID,
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COUNT(DISTINCT(Payment.Amount)).AS("distinct.count"),
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SUM(DISTINCT(Payment.Amount)).AS("distinct.sum"),
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AVG(DISTINCT(Payment.Amount)).AS("distinct.avg"),
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MIN(DISTINCT(Payment.PaymentDate)).AS("distinct.first_payment_date"),
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MAX(DISTINCT(Payment.PaymentDate)).AS("distinct.last_payment_date"),
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).FROM(
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Payment,
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).WHERE(
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Payment.CustomerID.EQ(Int(1)),
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).GROUP_BY(
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Payment.CustomerID,
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)
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testutils.AssertDebugStatementSql(t, stmt, `
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SELECT payment.customer_id AS "payment.customer_id",
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COUNT(DISTINCT payment.amount) AS "distinct.count",
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SUM(DISTINCT payment.amount) AS "distinct.sum",
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AVG(DISTINCT payment.amount) AS "distinct.avg",
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MIN(DISTINCT payment.payment_date) AS "distinct.first_payment_date",
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MAX(DISTINCT payment.payment_date) AS "distinct.last_payment_date"
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FROM dvds.payment
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WHERE payment.customer_id = 1
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GROUP BY payment.customer_id;
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`)
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type Distinct struct {
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model.Payment
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Count int64
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Sum float64
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Avg float64
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FirstPaymentDate time.Time
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LastPaymentDate time.Time
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}
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var dest Distinct
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err := stmt.Query(db, &dest)
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require.NoError(t, err)
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testutils.AssertJSON(t, dest, `
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{
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"PaymentID": 0,
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"CustomerID": 1,
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"StaffID": 0,
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"RentalID": null,
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"Amount": 0,
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"PaymentDate": "0001-01-01T00:00:00Z",
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"LastUpdate": "0001-01-01T00:00:00Z",
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"Count": 8,
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"Sum": 38.92,
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"Avg": 4.865,
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"FirstPaymentDate": "2005-05-25T11:30:37Z",
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"LastPaymentDate": "2005-08-22T20:03:46Z"
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}
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`)
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}
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func TestSubQuery(t *testing.T) {
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rRatingFilms := Film.
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SELECT(
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Film.FilmID,
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Film.Title,
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Film.Rating,
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).
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WHERE(Film.Rating.EQ(enum.FilmRating.R)).
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AsTable("rFilms")
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rFilmID := Film.FilmID.From(rRatingFilms)
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query := rRatingFilms.
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INNER_JOIN(FilmActor, FilmActor.FilmID.EQ(rFilmID)).
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INNER_JOIN(Actor, Actor.ActorID.EQ(FilmActor.ActorID)).
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SELECT(
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Actor.AllColumns,
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FilmActor.AllColumns,
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rRatingFilms.AllColumns(),
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).
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ORDER_BY(rFilmID, Actor.ActorID)
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var dest []struct {
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model.Film
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Actors []model.Actor
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}
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err := query.Query(db, &dest)
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require.NoError(t, err)
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//testutils.SaveJsonFile(dest, "mysql/testdata/r_rating_films.json")
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testutils.AssertJSONFile(t, dest, "./testdata/results/mysql/r_rating_films.json")
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}
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func TestSelectAndUnionInProjection(t *testing.T) {
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if sourceIsMariaDB() {
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return
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}
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expectedSQL := `
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SELECT payment.payment_id AS "payment.payment_id",
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(
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SELECT customer.customer_id AS "customer.customer_id"
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FROM dvds.customer
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LIMIT ?
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),
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(
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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UNION
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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LIMIT ?
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)
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FROM dvds.payment
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LIMIT ?;
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`
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query := Payment.
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SELECT(
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Payment.PaymentID,
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Customer.SELECT(Customer.CustomerID).LIMIT(1),
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UNION(
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(10),
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(2),
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).LIMIT(1),
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).
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LIMIT(12)
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testutils.AssertStatementSql(t, query, expectedSQL, int64(1), int64(1), int64(10), int64(1), int64(2), int64(1), int64(12))
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dest := []struct{}{}
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err := query.Query(db, &dest)
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require.NoError(t, err)
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}
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func TestSelectUNION(t *testing.T) {
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expectedSQL := `
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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UNION
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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LIMIT ?;
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`
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query := UNION(
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(10),
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(2),
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).LIMIT(1)
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//fmt.Println(query.Sql())
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testutils.AssertStatementSql(t, query, expectedSQL, int64(1), int64(10), int64(1), int64(2), int64(1))
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query2 := Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(10).
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UNION(Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(2)).LIMIT(1)
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testutils.AssertStatementSql(t, query2, expectedSQL, int64(1), int64(10), int64(1), int64(2), int64(1))
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dest := []struct{}{}
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err := query.Query(db, &dest)
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require.NoError(t, err)
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}
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func TestSelectUNION_ALL(t *testing.T) {
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expectedSQL := `
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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UNION ALL
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(
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SELECT payment.payment_id AS "payment.payment_id"
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FROM dvds.payment
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LIMIT ?
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OFFSET ?
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)
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ORDER BY "payment.payment_id"
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LIMIT ?
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OFFSET ?;
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`
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query := UNION_ALL(
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(10),
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Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(2),
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).ORDER_BY(Payment.PaymentID).
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LIMIT(4).
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OFFSET(3)
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//fmt.Println(query.Sql())
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testutils.AssertStatementSql(t, query, expectedSQL, int64(1), int64(10), int64(1), int64(2), int64(4), int64(3))
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query2 := Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(10).
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UNION_ALL(Payment.SELECT(Payment.PaymentID).LIMIT(1).OFFSET(2)).
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ORDER_BY(Payment.PaymentID).
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LIMIT(4).
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OFFSET(3)
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testutils.AssertStatementSql(t, query2, expectedSQL, int64(1), int64(10), int64(1), int64(2), int64(4), int64(3))
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dest := []struct{}{}
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err := query.Query(db, &dest)
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require.NoError(t, err)
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}
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func TestJoinQueryStruct(t *testing.T) {
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expectedSQL := `
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SELECT film_actor.actor_id AS "film_actor.actor_id",
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film_actor.film_id AS "film_actor.film_id",
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film_actor.last_update AS "film_actor.last_update",
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film.film_id AS "film.film_id",
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film.title AS "film.title",
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film.description AS "film.description",
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film.release_year AS "film.release_year",
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film.language_id AS "film.language_id",
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film.original_language_id AS "film.original_language_id",
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film.rental_duration AS "film.rental_duration",
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film.rental_rate AS "film.rental_rate",
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film.length AS "film.length",
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film.replacement_cost AS "film.replacement_cost",
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film.rating AS "film.rating",
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film.special_features AS "film.special_features",
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film.last_update AS "film.last_update",
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language.language_id AS "language.language_id",
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language.name AS "language.name",
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language.last_update AS "language.last_update",
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actor.actor_id AS "actor.actor_id",
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actor.first_name AS "actor.first_name",
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actor.last_name AS "actor.last_name",
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actor.last_update AS "actor.last_update",
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inventory.inventory_id AS "inventory.inventory_id",
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inventory.film_id AS "inventory.film_id",
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inventory.store_id AS "inventory.store_id",
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inventory.last_update AS "inventory.last_update",
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rental.rental_id AS "rental.rental_id",
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rental.rental_date AS "rental.rental_date",
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rental.inventory_id AS "rental.inventory_id",
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rental.customer_id AS "rental.customer_id",
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rental.return_date AS "rental.return_date",
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rental.staff_id AS "rental.staff_id",
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rental.last_update AS "rental.last_update"
|
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FROM dvds.language
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INNER JOIN dvds.film ON (film.language_id = language.language_id)
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INNER JOIN dvds.film_actor ON (film_actor.film_id = film.film_id)
|
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INNER JOIN dvds.actor ON (actor.actor_id = film_actor.actor_id)
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LEFT JOIN dvds.inventory ON (inventory.film_id = film.film_id)
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LEFT JOIN dvds.rental ON (rental.inventory_id = inventory.inventory_id)
|
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ORDER BY language.language_id ASC, film.film_id ASC, actor.actor_id ASC, inventory.inventory_id ASC, rental.rental_id ASC
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LIMIT ?;
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`
|
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for i := 0; i < 2; i++ {
|
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|
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query := Language.
|
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INNER_JOIN(Film, Film.LanguageID.EQ(Language.LanguageID)).
|
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INNER_JOIN(FilmActor, FilmActor.FilmID.EQ(Film.FilmID)).
|
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INNER_JOIN(Actor, Actor.ActorID.EQ(FilmActor.ActorID)).
|
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LEFT_JOIN(Inventory, Inventory.FilmID.EQ(Film.FilmID)).
|
|
LEFT_JOIN(Rental, Rental.InventoryID.EQ(Inventory.InventoryID)).
|
|
SELECT(
|
|
FilmActor.AllColumns,
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Film.AllColumns,
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Language.AllColumns,
|
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Actor.AllColumns,
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|
Inventory.AllColumns,
|
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Rental.AllColumns,
|
|
).
|
|
ORDER_BY(
|
|
Language.LanguageID.ASC(),
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Film.FilmID.ASC(),
|
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Actor.ActorID.ASC(),
|
|
Inventory.InventoryID.ASC(),
|
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Rental.RentalID.ASC(),
|
|
).
|
|
LIMIT(1000)
|
|
|
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testutils.AssertStatementSql(t, query, expectedSQL, int64(1000))
|
|
|
|
var dest []struct {
|
|
model.Language
|
|
|
|
Films []struct {
|
|
model.Film
|
|
|
|
Actors []struct {
|
|
model.Actor
|
|
}
|
|
|
|
Inventories *[]struct {
|
|
model.Inventory
|
|
|
|
Rentals *[]model.Rental
|
|
}
|
|
}
|
|
}
|
|
|
|
err := query.Query(db, &dest)
|
|
|
|
require.NoError(t, err)
|
|
//testutils.SaveJsonFile(dest, "./mysql/testdata/lang_film_actor_inventory_rental.json")
|
|
testutils.AssertJSONFile(t, dest, "./testdata/results/mysql/lang_film_actor_inventory_rental.json")
|
|
}
|
|
}
|
|
|
|
func getRowLockTestData() map[RowLock]string {
|
|
if sourceIsMariaDB() {
|
|
return map[RowLock]string{
|
|
UPDATE(): "UPDATE",
|
|
}
|
|
}
|
|
return map[RowLock]string{
|
|
UPDATE(): "UPDATE",
|
|
SHARE(): "SHARE",
|
|
}
|
|
}
|
|
|
|
func TestRowLock(t *testing.T) {
|
|
expectedSQL := `
|
|
SELECT *
|
|
FROM dvds.address
|
|
LIMIT 3
|
|
OFFSET 1
|
|
FOR`
|
|
query := Address.
|
|
SELECT(STAR).
|
|
LIMIT(3).
|
|
OFFSET(1)
|
|
|
|
for lockType, lockTypeStr := range getRowLockTestData() {
|
|
query.FOR(lockType)
|
|
|
|
expectedQuery := expectedSQL + " " + lockTypeStr + ";\n"
|
|
testutils.AssertDebugStatementSql(t, query, expectedQuery, int64(3), int64(1))
|
|
|
|
tx, _ := db.Begin()
|
|
|
|
_, err := query.Exec(tx)
|
|
require.NoError(t, err)
|
|
|
|
err = tx.Rollback()
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
for lockType, lockTypeStr := range getRowLockTestData() {
|
|
query.FOR(lockType.NOWAIT())
|
|
|
|
testutils.AssertDebugStatementSql(t, query, expectedSQL+" "+lockTypeStr+" NOWAIT;\n", int64(3), int64(1))
|
|
|
|
tx, _ := db.Begin()
|
|
|
|
_, err := query.Exec(tx)
|
|
require.NoError(t, err)
|
|
|
|
err = tx.Rollback()
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
if sourceIsMariaDB() {
|
|
return
|
|
}
|
|
|
|
for lockType, lockTypeStr := range getRowLockTestData() {
|
|
query.FOR(lockType.SKIP_LOCKED())
|
|
|
|
testutils.AssertDebugStatementSql(t, query, expectedSQL+" "+lockTypeStr+" SKIP LOCKED;\n", int64(3), int64(1))
|
|
|
|
tx, _ := db.Begin()
|
|
|
|
_, err := query.Exec(tx)
|
|
require.NoError(t, err)
|
|
|
|
err = tx.Rollback()
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
func TestExpressionWrappers(t *testing.T) {
|
|
query := SELECT(
|
|
BoolExp(Raw("true")),
|
|
IntExp(Raw("11")),
|
|
FloatExp(Raw("11.22")),
|
|
StringExp(Raw("'stringer'")),
|
|
TimeExp(Raw("'raw'")),
|
|
TimestampExp(Raw("'raw'")),
|
|
DateTimeExp(Raw("'raw'")),
|
|
DateExp(Raw("'date'")),
|
|
)
|
|
|
|
testutils.AssertStatementSql(t, query, `
|
|
SELECT true,
|
|
11,
|
|
11.22,
|
|
'stringer',
|
|
'raw',
|
|
'raw',
|
|
'raw',
|
|
'date';
|
|
`)
|
|
|
|
dest := []struct{}{}
|
|
err := query.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestLockInShareMode(t *testing.T) {
|
|
expectedSQL := `
|
|
SELECT *
|
|
FROM dvds.address
|
|
LIMIT 3
|
|
OFFSET 1
|
|
LOCK IN SHARE MODE;
|
|
`
|
|
query := Address.
|
|
SELECT(STAR).
|
|
LIMIT(3).
|
|
OFFSET(1).
|
|
LOCK_IN_SHARE_MODE()
|
|
|
|
testutils.AssertDebugStatementSql(t, query, expectedSQL)
|
|
|
|
dest := []struct{}{}
|
|
err := query.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestWindowFunction(t *testing.T) {
|
|
|
|
if sourceIsMariaDB() {
|
|
return
|
|
}
|
|
|
|
var expectedSQL = `
|
|
SELECT AVG(payment.amount) OVER (),
|
|
AVG(payment.amount) OVER (PARTITION BY payment.customer_id),
|
|
MAX(payment.amount) OVER (ORDER BY payment.payment_date DESC),
|
|
MIN(payment.amount) OVER (PARTITION BY payment.customer_id ORDER BY payment.payment_date DESC),
|
|
SUM(payment.amount) OVER (PARTITION BY payment.customer_id ORDER BY payment.payment_date DESC ROWS BETWEEN 1 PRECEDING AND 6 FOLLOWING),
|
|
SUM(payment.amount) OVER (PARTITION BY payment.customer_id ORDER BY payment.payment_date DESC RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING),
|
|
MAX(payment.customer_id) OVER (ORDER BY payment.payment_date DESC ROWS BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING),
|
|
MIN(payment.customer_id) OVER (PARTITION BY payment.customer_id ORDER BY payment.payment_date DESC),
|
|
SUM(payment.customer_id) OVER (PARTITION BY payment.customer_id ORDER BY payment.payment_date DESC),
|
|
ROW_NUMBER() OVER (ORDER BY payment.payment_date),
|
|
RANK() OVER (ORDER BY payment.payment_date),
|
|
DENSE_RANK() OVER (ORDER BY payment.payment_date),
|
|
CUME_DIST() OVER (ORDER BY payment.payment_date),
|
|
NTILE(11) OVER (ORDER BY payment.payment_date),
|
|
LAG(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LAG(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LAG(payment.amount, 2, payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LAG(payment.amount, 2, ?) OVER (ORDER BY payment.payment_date),
|
|
LEAD(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LEAD(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LEAD(payment.amount, 2, payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LEAD(payment.amount, 2, ?) OVER (ORDER BY payment.payment_date),
|
|
FIRST_VALUE(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
LAST_VALUE(payment.amount) OVER (ORDER BY payment.payment_date),
|
|
NTH_VALUE(payment.amount, 3) OVER (ORDER BY payment.payment_date)
|
|
FROM dvds.payment
|
|
WHERE payment.payment_id < ?
|
|
GROUP BY payment.amount, payment.customer_id, payment.payment_date;
|
|
`
|
|
query := Payment.
|
|
SELECT(
|
|
AVG(Payment.Amount).OVER(),
|
|
AVG(Payment.Amount).OVER(PARTITION_BY(Payment.CustomerID)),
|
|
MAXf(Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate.DESC())),
|
|
MINf(Payment.Amount).OVER(PARTITION_BY(Payment.CustomerID).ORDER_BY(Payment.PaymentDate.DESC())),
|
|
SUMf(Payment.Amount).OVER(PARTITION_BY(Payment.CustomerID).
|
|
ORDER_BY(Payment.PaymentDate.DESC()).ROWS(PRECEDING(1), FOLLOWING(6))),
|
|
SUMf(Payment.Amount).OVER(PARTITION_BY(Payment.CustomerID).
|
|
ORDER_BY(Payment.PaymentDate.DESC()).RANGE(PRECEDING(UNBOUNDED), FOLLOWING(UNBOUNDED))),
|
|
MAXi(Payment.CustomerID).OVER(ORDER_BY(Payment.PaymentDate.DESC()).ROWS(CURRENT_ROW, FOLLOWING(UNBOUNDED))),
|
|
MINi(Payment.CustomerID).OVER(PARTITION_BY(Payment.CustomerID).ORDER_BY(Payment.PaymentDate.DESC())),
|
|
SUMi(Payment.CustomerID).OVER(PARTITION_BY(Payment.CustomerID).ORDER_BY(Payment.PaymentDate.DESC())),
|
|
ROW_NUMBER().OVER(ORDER_BY(Payment.PaymentDate)),
|
|
RANK().OVER(ORDER_BY(Payment.PaymentDate)),
|
|
DENSE_RANK().OVER(ORDER_BY(Payment.PaymentDate)),
|
|
CUME_DIST().OVER(ORDER_BY(Payment.PaymentDate)),
|
|
NTILE(11).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LAG(Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LAG(Payment.Amount, 2).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LAG(Payment.Amount, 2, Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LAG(Payment.Amount, 2, 100).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LEAD(Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LEAD(Payment.Amount, 2).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LEAD(Payment.Amount, 2, Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LEAD(Payment.Amount, 2, 100).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
FIRST_VALUE(Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
LAST_VALUE(Payment.Amount).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
NTH_VALUE(Payment.Amount, 3).OVER(ORDER_BY(Payment.PaymentDate)),
|
|
).GROUP_BY(Payment.Amount, Payment.CustomerID, Payment.PaymentDate).
|
|
WHERE(Payment.PaymentID.LT(Int(10)))
|
|
|
|
//fmt.Println(query.Sql())
|
|
|
|
testutils.AssertStatementSql(t, query, expectedSQL, 100, 100, int64(10))
|
|
|
|
dest := []struct{}{}
|
|
err := query.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestWindowClause(t *testing.T) {
|
|
var expectedSQL = `
|
|
SELECT AVG(payment.amount) OVER (),
|
|
AVG(payment.amount) OVER (w1),
|
|
AVG(payment.amount) OVER (w2 ORDER BY payment.customer_id RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING),
|
|
AVG(payment.amount) OVER (w3 RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)
|
|
FROM dvds.payment
|
|
WHERE payment.payment_id < ?
|
|
WINDOW w1 AS (PARTITION BY payment.payment_date), w2 AS (w1), w3 AS (w2 ORDER BY payment.customer_id)
|
|
ORDER BY payment.customer_id;
|
|
`
|
|
query := Payment.SELECT(
|
|
AVG(Payment.Amount).OVER(),
|
|
AVG(Payment.Amount).OVER(Window("w1")),
|
|
AVG(Payment.Amount).OVER(
|
|
Window("w2").
|
|
ORDER_BY(Payment.CustomerID).
|
|
RANGE(PRECEDING(UNBOUNDED), FOLLOWING(UNBOUNDED)),
|
|
),
|
|
AVG(Payment.Amount).OVER(Window("w3").RANGE(PRECEDING(UNBOUNDED), FOLLOWING(UNBOUNDED))),
|
|
).
|
|
WHERE(Payment.PaymentID.LT(Int(10))).
|
|
WINDOW("w1").AS(PARTITION_BY(Payment.PaymentDate)).
|
|
WINDOW("w2").AS(Window("w1")).
|
|
WINDOW("w3").AS(Window("w2").ORDER_BY(Payment.CustomerID)).
|
|
ORDER_BY(Payment.CustomerID)
|
|
|
|
//fmt.Println(query.Sql())
|
|
|
|
testutils.AssertStatementSql(t, query, expectedSQL, int64(10))
|
|
|
|
dest := []struct{}{}
|
|
err := query.Query(db, &dest)
|
|
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestSimpleView(t *testing.T) {
|
|
query := SELECT(
|
|
view.ActorInfo.AllColumns,
|
|
).
|
|
FROM(view.ActorInfo).
|
|
ORDER_BY(view.ActorInfo.ActorID).
|
|
LIMIT(10)
|
|
|
|
type ActorInfo struct {
|
|
ActorID int
|
|
FirstName string
|
|
LastName string
|
|
FilmInfo string
|
|
}
|
|
|
|
var dest []ActorInfo
|
|
|
|
err := query.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, len(dest), 10)
|
|
testutils.AssertJSON(t, dest[1:2], `
|
|
[
|
|
{
|
|
"ActorID": 2,
|
|
"FirstName": "NICK",
|
|
"LastName": "WAHLBERG",
|
|
"FilmInfo": "Action: BULL SHAWSHANK; Animation: FIGHT JAWBREAKER; Children: JERSEY SASSY; Classics: DRACULA CRYSTAL, GILBERT PELICAN; Comedy: MALLRATS UNITED, RUSHMORE MERMAID; Documentary: ADAPTATION HOLES; Drama: WARDROBE PHANTOM; Family: APACHE DIVINE, CHISUM BEHAVIOR, INDIAN LOVE, MAGUIRE APACHE; Foreign: BABY HALL, HAPPINESS UNITED; Games: ROOF CHAMPION; Music: LUCKY FLYING; New: DESTINY SATURDAY, FLASH WARS, JEKYLL FROGMEN, MASK PEACH; Sci-Fi: CHAINSAW UPTOWN, GOODFELLAS SALUTE; Travel: LIAISONS SWEET, SMILE EARRING"
|
|
}
|
|
]
|
|
`)
|
|
}
|
|
|
|
func TestJoinViewWithTable(t *testing.T) {
|
|
query := SELECT(
|
|
view.CustomerList.AllColumns,
|
|
Rental.AllColumns,
|
|
).
|
|
FROM(view.CustomerList.
|
|
INNER_JOIN(Rental, view.CustomerList.ID.EQ(Rental.CustomerID)),
|
|
).
|
|
ORDER_BY(view.CustomerList.ID).
|
|
WHERE(view.CustomerList.ID.LT_EQ(Int(2)))
|
|
|
|
var dest []struct {
|
|
model.CustomerList `sql:"primary_key=ID"`
|
|
Rentals []model.Rental
|
|
}
|
|
|
|
err := query.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, len(dest), 2)
|
|
require.Equal(t, len(dest[0].Rentals), 32)
|
|
require.Equal(t, len(dest[1].Rentals), 27)
|
|
}
|
|
|
|
func TestConditionalProjectionList(t *testing.T) {
|
|
projectionList := ProjectionList{}
|
|
|
|
columnsToSelect := []string{"customer_id", "create_date"}
|
|
|
|
for _, columnName := range columnsToSelect {
|
|
switch columnName {
|
|
case Customer.CustomerID.Name():
|
|
projectionList = append(projectionList, Customer.CustomerID)
|
|
case Customer.Email.Name():
|
|
projectionList = append(projectionList, Customer.Email)
|
|
case Customer.CreateDate.Name():
|
|
projectionList = append(projectionList, Customer.CreateDate)
|
|
}
|
|
}
|
|
|
|
stmt := SELECT(projectionList).
|
|
FROM(Customer).
|
|
LIMIT(3)
|
|
|
|
testutils.AssertDebugStatementSql(t, stmt, `
|
|
SELECT customer.customer_id AS "customer.customer_id",
|
|
customer.create_date AS "customer.create_date"
|
|
FROM dvds.customer
|
|
LIMIT 3;
|
|
`)
|
|
var dest []model.Customer
|
|
err := stmt.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, len(dest), 3)
|
|
}
|
|
|
|
func Test_SchemaRename(t *testing.T) {
|
|
Film := Film.FromSchema("dvds2")
|
|
Language := Language.FromSchema("dvds2")
|
|
|
|
stmt := SELECT(
|
|
Film.FilmID,
|
|
Film.Title,
|
|
Language.LanguageID,
|
|
Language.Name,
|
|
).FROM(
|
|
Language.
|
|
INNER_JOIN(Film, Film.LanguageID.EQ(Language.LanguageID)),
|
|
).WHERE(
|
|
Language.LanguageID.EQ(Int(1)),
|
|
).ORDER_BY(
|
|
Language.LanguageID, Film.FilmID,
|
|
).LIMIT(5)
|
|
|
|
testutils.AssertDebugStatementSql(t, stmt, `
|
|
SELECT film.film_id AS "film.film_id",
|
|
film.title AS "film.title",
|
|
language.language_id AS "language.language_id",
|
|
language.name AS "language.name"
|
|
FROM dvds2.language
|
|
INNER JOIN dvds2.film ON (film.language_id = language.language_id)
|
|
WHERE language.language_id = 1
|
|
ORDER BY language.language_id, film.film_id
|
|
LIMIT 5;
|
|
`)
|
|
|
|
dest := struct {
|
|
model.Language
|
|
Films []model.Film
|
|
}{}
|
|
|
|
err := stmt.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
require.Len(t, dest.Films, 5)
|
|
require.Equal(t, dest.Films[0].Title, "ACADEMY DINOSAUR")
|
|
require.Equal(t, dest.Films[1].Title, "ACE GOLDFINGER")
|
|
require.Equal(t, dest.Films[4].Title, "AFRICAN EGG")
|
|
}
|
|
|
|
func TestLateral(t *testing.T) {
|
|
skipForMariaDB(t) // MariaDB does not implement LATERAL
|
|
|
|
languages := LATERAL(
|
|
SELECT(
|
|
Language.AllColumns,
|
|
).FROM(
|
|
Language,
|
|
).WHERE(
|
|
Language.Name.NOT_IN(String("spanish")).
|
|
AND(Film.LanguageID.EQ(Language.LanguageID)),
|
|
),
|
|
).AS("films")
|
|
|
|
stmt := SELECT(
|
|
Film.FilmID,
|
|
Film.Title,
|
|
languages.AllColumns(),
|
|
).FROM(
|
|
Film.CROSS_JOIN(languages),
|
|
).WHERE(
|
|
Film.FilmID.EQ(Int(1)),
|
|
).ORDER_BY(
|
|
Film.FilmID,
|
|
).LIMIT(1)
|
|
|
|
testutils.AssertDebugStatementSql(t, stmt, strings.Replace(`
|
|
SELECT film.film_id AS "film.film_id",
|
|
film.title AS "film.title",
|
|
films.''language.language_id'' AS "language.language_id",
|
|
films.''language.name'' AS "language.name",
|
|
films.''language.last_update'' AS "language.last_update"
|
|
FROM dvds.film
|
|
CROSS JOIN LATERAL (
|
|
SELECT language.language_id AS "language.language_id",
|
|
language.name AS "language.name",
|
|
language.last_update AS "language.last_update"
|
|
FROM dvds.language
|
|
WHERE (language.name NOT IN ('spanish')) AND (film.language_id = language.language_id)
|
|
) AS films
|
|
WHERE film.film_id = 1
|
|
ORDER BY film.film_id
|
|
LIMIT 1;
|
|
`, "''", "`", -1))
|
|
|
|
type FilmLanguage struct {
|
|
model.Film
|
|
model.Language
|
|
}
|
|
|
|
var dest []FilmLanguage
|
|
|
|
err := stmt.Query(db, &dest)
|
|
require.NoError(t, err)
|
|
require.Equal(t, dest[0].Film.Title, "ACADEMY DINOSAUR")
|
|
require.Equal(t, dest[0].Language.Name, "English")
|
|
|
|
t.Run("implicit cross join", func(t *testing.T) {
|
|
stmt2 := SELECT(
|
|
Film.FilmID,
|
|
Film.Title,
|
|
languages.AllColumns(),
|
|
).FROM(
|
|
Film,
|
|
languages,
|
|
).WHERE(
|
|
Film.FilmID.EQ(Int(1)),
|
|
).ORDER_BY(
|
|
Film.FilmID,
|
|
).LIMIT(1)
|
|
|
|
testutils.AssertDebugStatementSql(t, stmt2, strings.Replace(`
|
|
SELECT film.film_id AS "film.film_id",
|
|
film.title AS "film.title",
|
|
films.''language.language_id'' AS "language.language_id",
|
|
films.''language.name'' AS "language.name",
|
|
films.''language.last_update'' AS "language.last_update"
|
|
FROM dvds.film,
|
|
LATERAL (
|
|
SELECT language.language_id AS "language.language_id",
|
|
language.name AS "language.name",
|
|
language.last_update AS "language.last_update"
|
|
FROM dvds.language
|
|
WHERE (language.name NOT IN ('spanish')) AND (film.language_id = language.language_id)
|
|
) AS films
|
|
WHERE film.film_id = 1
|
|
ORDER BY film.film_id
|
|
LIMIT 1;
|
|
`, "''", "`", -1))
|
|
|
|
var dest2 []FilmLanguage
|
|
|
|
err2 := stmt2.Query(db, &dest2)
|
|
require.NoError(t, err2)
|
|
require.Equal(t, dest, dest2)
|
|
})
|
|
}
|
|
|
|
func TestRowsScan(t *testing.T) {
|
|
|
|
stmt := SELECT(
|
|
Inventory.AllColumns,
|
|
).FROM(
|
|
Inventory,
|
|
).ORDER_BY(
|
|
Inventory.InventoryID.ASC(),
|
|
)
|
|
|
|
rows, err := stmt.Rows(context.Background(), db)
|
|
require.NoError(t, err)
|
|
|
|
for rows.Next() {
|
|
var inventory model.Inventory
|
|
err = rows.Scan(&inventory)
|
|
require.NoError(t, err)
|
|
|
|
require.NotEqual(t, inventory.InventoryID, uint32(0))
|
|
require.NotEqual(t, inventory.FilmID, uint16(0))
|
|
require.NotEqual(t, inventory.StoreID, uint16(0))
|
|
require.NotEqual(t, inventory.LastUpdate, time.Time{})
|
|
|
|
if inventory.InventoryID == 2103 {
|
|
require.Equal(t, inventory.FilmID, uint16(456))
|
|
require.Equal(t, inventory.StoreID, uint8(2))
|
|
require.Equal(t, inventory.LastUpdate.Format(time.RFC3339), "2006-02-15T05:09:17Z")
|
|
}
|
|
}
|
|
|
|
err = rows.Close()
|
|
require.NoError(t, err)
|
|
err = rows.Err()
|
|
require.NoError(t, err)
|
|
|
|
requireLogged(t, stmt)
|
|
}
|
|
|
|
func TestScanNumericToNumber(t *testing.T) {
|
|
type Number struct {
|
|
Int8 int8
|
|
UInt8 uint8
|
|
Int16 int16
|
|
UInt16 uint16
|
|
Int32 int32
|
|
UInt32 uint32
|
|
Int64 int64
|
|
UInt64 uint64
|
|
Float32 float32
|
|
Float64 float64
|
|
}
|
|
|
|
numeric := CAST(Decimal("1234567890.111")).AS_DECIMAL()
|
|
|
|
stmt := SELECT(
|
|
numeric.AS("number.int8"),
|
|
numeric.AS("number.uint8"),
|
|
numeric.AS("number.int16"),
|
|
numeric.AS("number.uint16"),
|
|
numeric.AS("number.int32"),
|
|
numeric.AS("number.uint32"),
|
|
numeric.AS("number.int64"),
|
|
numeric.AS("number.uint64"),
|
|
numeric.AS("number.float32"),
|
|
numeric.AS("number.float64"),
|
|
)
|
|
|
|
var number Number
|
|
err := stmt.Query(db, &number)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, number.Int8, int8(-46)) // overflow
|
|
require.Equal(t, number.UInt8, uint8(210)) // overflow
|
|
require.Equal(t, number.Int16, int16(722)) // overflow
|
|
require.Equal(t, number.UInt16, uint16(722)) // overflow
|
|
require.Equal(t, number.Int32, int32(1234567890))
|
|
require.Equal(t, number.UInt32, uint32(1234567890))
|
|
require.Equal(t, number.Int64, int64(1234567890))
|
|
require.Equal(t, number.UInt64, uint64(1234567890))
|
|
require.Equal(t, number.Float32, float32(1.234568e+09))
|
|
require.Equal(t, number.Float64, float64(1.23456789e+09))
|
|
}
|