Add SQL execution on log and indexes on table repository and comment (#7740)

* add index on comment

* add SQL execution time on log and index owner_id on repository

* add migration

5 files changed, 36 insertions, 6 deletions

diff --git a/models/issue_comment.go b/models/issue_comment.go
index 5e7ebc0cf3..32bb925e9b 100644
--- a/models/issue_comment.go
+++ b/models/issue_comment.go
@@ -99,10 +99,10 @@ const (
 
 // Comment represents a comment in commit and issue page.
 type Comment struct {
-	ID               int64 `xorm:"pk autoincr"`
-	Type             CommentType
-	PosterID         int64 `xorm:"INDEX"`
-	Poster           *User `xorm:"-"`
+	ID               int64       `xorm:"pk autoincr"`
+	Type             CommentType `xorm:"index"`
+	PosterID         int64       `xorm:"INDEX"`
+	Poster           *User       `xorm:"-"`
 	OriginalAuthor   string
 	OriginalAuthorID int64
 	IssueID          int64  `xorm:"INDEX"`
@@ -143,7 +143,7 @@ type Comment struct {
 	ShowTag CommentTag `xorm:"-"`
 
 	Review      *Review `xorm:"-"`
-	ReviewID    int64
+	ReviewID    int64   `xorm:"index"`
 	Invalidated bool
 }
 
diff --git a/models/migrations/migrations.go b/models/migrations/migrations.go
index 5326022b41..6459036e4a 100644
--- a/models/migrations/migrations.go
+++ b/models/migrations/migrations.go
@@ -236,6 +236,8 @@ var migrations = []Migration{
 	NewMigration("add original author/url migration info to issues, comments, and repo ", addOriginalMigrationInfo),
 	// v90 -> v91
 	NewMigration("change length of some repository columns", changeSomeColumnsLengthOfRepo),
+	// v91 -> v92
+	NewMigration("add index on owner_id of repository and type, review_id of comment", addIndexOnRepositoryAndComment),
 }
 
 // Migrate database to current version
diff --git a/models/migrations/v91.go b/models/migrations/v91.go
new file mode 100644
index 0000000000..fea71b5d3b
--- /dev/null
+++ b/models/migrations/v91.go
@@ -0,0 +1,26 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package migrations
+
+import "github.com/go-xorm/xorm"
+
+func addIndexOnRepositoryAndComment(x *xorm.Engine) error {
+	type Repository struct {
+		ID      int64 `xorm:"pk autoincr"`
+		OwnerID int64 `xorm:"index"`
+	}
+
+	if err := x.Sync2(new(Repository)); err != nil {
+		return err
+	}
+
+	type Comment struct {
+		ID       int64 `xorm:"pk autoincr"`
+		Type     int   `xorm:"index"`
+		ReviewID int64 `xorm:"index"`
+	}
+
+	return x.Sync2(new(Comment))
+}
diff --git a/models/models.go b/models/models.go
index f746f680a5..4c925fa570 100644
--- a/models/models.go
+++ b/models/models.go
@@ -262,6 +262,7 @@ func NewTestEngine(x *xorm.Engine) (err error) {
 		return fmt.Errorf("Connect to database: %v", err)
 	}
 
+	x.ShowExecTime(true)
 	x.SetMapper(core.GonicMapper{})
 	x.SetLogger(NewXORMLogger(!setting.ProdMode))
 	x.ShowSQL(!setting.ProdMode)
@@ -275,6 +276,7 @@ func SetEngine() (err error) {
 		return fmt.Errorf("Failed to connect to database: %v", err)
 	}
 
+	x.ShowExecTime(true)
 	x.SetMapper(core.GonicMapper{})
 	// WARNING: for serv command, MUST remove the output to os.stdout,
 	// so use log file to instead print to stdout.
diff --git a/models/repo.go b/models/repo.go
index 20175397af..86370821d3 100644
--- a/models/repo.go
+++ b/models/repo.go
@@ -129,7 +129,7 @@ func NewRepoContext() {
 // Repository represents a git repository.
 type Repository struct {
 	ID            int64  `xorm:"pk autoincr"`
-	OwnerID       int64  `xorm:"UNIQUE(s)"`
+	OwnerID       int64  `xorm:"UNIQUE(s) index"`
 	OwnerName     string `xorm:"-"`
 	Owner         *User  `xorm:"-"`
 	LowerName     string `xorm:"UNIQUE(s) INDEX NOT NULL"`