Gleipnir/jet
4
0
Fork 0
Code Issues Pull requests Projects Releases 1 Packages Wiki Activity Actions

[MySQL] Optimizer hints

Browse source
This commit is contained in:
go-jet 2022-09-29 13:33:00 +02:00
parent c9967d151e
commit f772f90336
12 changed files with 207 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

20
tests/mysql/delete_test.go
View file

@ -2,6 +2,7 @@ package mysql
import (
"context"
"database/sql"
"github.com/go-jet/jet/v2/internal/testutils"
. "github.com/go-jet/jet/v2/mysql"
"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/table"
@ -98,3 +99,22 @@ WHERE (staff.staff_id != ?) AND (rental.rental_id < ?);
testutils.AssertExecAndRollback(t, stmt, db)
}
func TestDeleteOptimizerHints(t *testing.T) {
stmt := Link.DELETE().
OPTIMIZER_HINTS(QB_NAME("deleteIns"), "MRR(link)").
WHERE(
Link.Name.IN(String("Gmail"), String("Outlook")),
)
testutils.AssertDebugStatementSql(t, stmt, `
DELETE /*+ QB_NAME(deleteIns) MRR(link) */ FROM test_sample.link
WHERE link.name IN ('Gmail', 'Outlook');
`)
testutils.ExecuteInTxAndRollback(t, db, func(tx *sql.Tx) {
_, err := stmt.Exec(tx)
require.NoError(t, err)
})
}

20
tests/mysql/insert_test.go
View file

@ -370,3 +370,23 @@ func TestInsertWithExecContext(t *testing.T) {
require.Error(t, err, "context deadline exceeded")
}
func TestInsertOptimizerHints(t *testing.T) {
stmt := Link.INSERT(Link.MutableColumns).
OPTIMIZER_HINTS(QB_NAME("qbIns"), "NO_ICP(link)").
MODEL(model.Link{
URL: "http://www.google.com",
Name: "Google",
})
testutils.AssertDebugStatementSql(t, stmt, `
INSERT /*+ QB_NAME(qbIns) NO_ICP(link) */ INTO test_sample.link (url, name, description)
VALUES ('http://www.google.com', 'Google', NULL);
`)
testutils.ExecuteInTxAndRollback(t, db, func(tx *sql.Tx) {
_, err := stmt.Exec(tx)
require.NoError(t, err)
})
}

22
tests/mysql/select_test.go
View file

@ -1189,3 +1189,25 @@ ORDER BY film.film_id;
]
`)
}
func TestSelectOptimizerHints(t *testing.T) {
stmt := SELECT(Actor.AllColumns).
OPTIMIZER_HINTS(MAX_EXECUTION_TIME(1), QB_NAME("mainQueryBlock"), "NO_ICP(actor)").
DISTINCT().
FROM(Actor)
testutils.AssertDebugStatementSql(t, stmt, `
SELECT /*+ MAX_EXECUTION_TIME(1) QB_NAME(mainQueryBlock) NO_ICP(actor) */ DISTINCT actor.actor_id AS "actor.actor_id",
actor.first_name AS "actor.first_name",
actor.last_name AS "actor.last_name",
actor.last_update AS "actor.last_update"
FROM dvds.actor;
`)
var actors []model.Actor
err := stmt.QueryContext(context.Background(), db, &actors)
require.NoError(t, err)
require.Len(t, actors, 200)
}

34
tests/mysql/update_test.go
View file

@ -5,7 +5,7 @@ import (
"database/sql"
"github.com/go-jet/jet/v2/internal/testutils"
. "github.com/go-jet/jet/v2/mysql"
"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/table"
. "github.com/go-jet/jet/v2/tests/.gentestdata/mysql/dvds/table"
"github.com/go-jet/jet/v2/tests/.gentestdata/mysql/test_sample/model"
. "github.com/go-jet/jet/v2/tests/.gentestdata/mysql/test_sample/table"
"github.com/stretchr/testify/require"
@ -260,10 +260,10 @@ func TestUpdateExecContext(t *testing.T) {
}
func TestUpdateWithJoin(t *testing.T) {
statement := table.Staff.INNER_JOIN(table.Address, table.Address.AddressID.EQ(table.Staff.AddressID)).
UPDATE(table.Staff.LastName).
statement := Staff.INNER_JOIN(Address, Address.AddressID.EQ(Staff.AddressID)).
UPDATE(Staff.LastName).
SET(String("New staff name")).
WHERE(table.Staff.StaffID.EQ(Int(1)))
WHERE(Staff.StaffID.EQ(Int(1)))
testutils.AssertStatementSql(t, statement, `
UPDATE dvds.staff
@ -274,3 +274,29 @@ WHERE staff.staff_id = ?;
testutils.AssertExecAndRollback(t, statement, db)
}
func TestUpdateOptimizerHints(t *testing.T) {
stmt := Link.UPDATE(Link.AllColumns).
OPTIMIZER_HINTS(QB_NAME("qbInsert"), "MRR(link)").
MODEL(model.Link{
ID: 501,
URL: "http://www.duckduckgo.com",
Name: "DuckDuckGo",
}).
WHERE(Link.Name.EQ(String("Bing")))
testutils.AssertDebugStatementSql(t, stmt, `
UPDATE /*+ QB_NAME(qbInsert) MRR(link) */ test_sample.link
SET id = 501,
url = 'http://www.duckduckgo.com',
name = 'DuckDuckGo',
description = NULL
WHERE link.name = 'Bing';
`)
testutils.ExecuteInTxAndRollback(t, db, func(tx *sql.Tx) {
_, err := stmt.Exec(tx)
require.NoError(t, err)
})
}