Retry create issue to cope with duplicate keys (#7898)

* Retry create issue to cope with duplicate keys * Use .SetExpr().Where().Insert()
2019-08-26 23:17:23 -03:00 · 2019-08-26 23:17:23 -03:00 · 5fe2ec264f
commit 5fe2ec264f
parent 541fab196f
39 changed files with 1991 additions and 1404 deletions
--- a/go.mod
+++ b/go.mod
@ -45,7 +45,7 @@ require (
 	github.com/glycerine/goconvey v0.0.0-20190315024820-982ee783a72e // indirect
 	github.com/go-redis/redis v6.15.2+incompatible
 	github.com/go-sql-driver/mysql v1.4.1
-	github.com/go-xorm/xorm v0.7.4
+	github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b
 	github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561
 	github.com/gogs/cron v0.0.0-20171120032916-9f6c956d3e14
 	github.com/google/go-github/v24 v24.0.1
@ -117,5 +117,5 @@ require (
 	mvdan.cc/xurls/v2 v2.0.0
 	strk.kbt.io/projects/go/libravatar v0.0.0-20160628055650-5eed7bff870a
 	xorm.io/builder v0.3.5
-	xorm.io/core v0.6.3
+	xorm.io/core v0.7.0
 )
--- a/go.sum
+++ b/go.sum
@ -143,6 +143,8 @@ github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:9wScpmSP5A3Bk
 github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:56xuuqnHyryaerycW3BfssRdxQstACi0Epw/yC5E2xM=
 github.com/go-xorm/xorm v0.7.4 h1:g/NgC590SzqV5VKmdRDNe/K3Holw3YJUCXX28r+rFGw=
 github.com/go-xorm/xorm v0.7.4/go.mod h1:vpza5fydeRgt+stvo9qgMhSNohYqmNt0I1/D6hkCekA=
+github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b h1:Y0hWUheXDHpIs7BWtJcykO4d1VOsVDKg1PsP5YJwxxM=
+github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b/go.mod h1:nqz2TAsuOHWH2yk4FYWtacCGgdbrcdZ5mF1XadqEHls=
 github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561 h1:deE7ritpK04PgtpyVOS2TYcQEld9qLCD5b5EbVNOuLA=
 github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561/go.mod h1:YgYOrVn3Nj9Tq0EvjmFbphRytDj7JNRoWSStJZWDJTQ=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@ -430,6 +432,7 @@ golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190221075227-b4e8571b14e0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190730183949-1393eb018365/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@ -446,6 +449,7 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190606050223-4d9ae51c2468/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190729092621-ff9f1409240a/go.mod h1:jcCCGcm9btYwXyDqrUWc6MKQKKGJCWEQ3AfLSRIbEuI=
 golang.org/x/tools v0.0.0-20190731214159-1e85ed8060aa h1:kwa/4M1dbmhZqOIqYiTtbA6JrvPwo1+jqlub2qDXX90=
@ -454,6 +458,7 @@ google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMt
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
@ -509,3 +514,5 @@ xorm.io/builder v0.3.5 h1:EilU39fvWDxjb1cDaELpYhsF+zziRBhew8xk4pngO+A=
 xorm.io/builder v0.3.5/go.mod h1:ZFbByS/KxZI1FKRjL05PyJ4YrK2bcxlUaAxdum5aTR8=
 xorm.io/core v0.6.3 h1:n1NhVZt1s2oLw1BZfX2ocIJsHyso259uPgg63BGr37M=
 xorm.io/core v0.6.3/go.mod h1:8kz/C6arVW/O9vk3PgCiMJO2hIAm1UcuOL3dSPyZ2qo=
+xorm.io/core v0.7.0 h1:hKxuOKWZNeiFQsSuGet/KV8HZ788hclvAl+7azx3tkM=
+xorm.io/core v0.7.0/go.mod h1:TuOJjIVa7e3w/rN8tDcAvuLBMtwzdHPbyOzE6Gk1EUI=
--- a/models/issue.go
+++ b/models/issue.go
@ -5,7 +5,6 @@
 package models

 import (
-	"errors"
 	"fmt"
 	"path"
 	"regexp"
@ -74,6 +73,7 @@ var (

 const issueTasksRegexpStr = `(^\s*[-*]\s\[[\sx]\]\s.)|(\n\s*[-*]\s\[[\sx]\]\s.)`
 const issueTasksDoneRegexpStr = `(^\s*[-*]\s\[[x]\]\s.)|(\n\s*[-*]\s\[[x]\]\s.)`
+const issueMaxDupIndexAttempts = 3

 func init() {
 	issueTasksPat = regexp.MustCompile(issueTasksRegexpStr)
@ -1031,36 +1031,9 @@ type NewIssueOptions struct {
 	IsPull      bool
 }

-// GetMaxIndexOfIssue returns the max index on issue
-func GetMaxIndexOfIssue(repoID int64) (int64, error) {
-	return getMaxIndexOfIssue(x, repoID)
-}
-
-func getMaxIndexOfIssue(e Engine, repoID int64) (int64, error) {
-	var (
-		maxIndex int64
-		has      bool
-		err      error
-	)
-
-	has, err = e.SQL("SELECT COALESCE((SELECT MAX(`index`) FROM issue WHERE repo_id = ?),0)", repoID).Get(&maxIndex)
-	if err != nil {
-		return 0, err
-	} else if !has {
-		return 0, errors.New("Retrieve Max index from issue failed")
-	}
-	return maxIndex, nil
-}
-
 func newIssue(e *xorm.Session, doer *User, opts NewIssueOptions) (err error) {
 	opts.Issue.Title = strings.TrimSpace(opts.Issue.Title)

-	maxIndex, err := getMaxIndexOfIssue(e, opts.Issue.RepoID)
-	if err != nil {
-		return err
-	}
-	opts.Issue.Index = maxIndex + 1
-
 	if opts.Issue.MilestoneID > 0 {
 		milestone, err := getMilestoneByRepoID(e, opts.Issue.RepoID, opts.Issue.MilestoneID)
 		if err != nil && !IsErrMilestoneNotExist(err) {
@ -1109,9 +1082,30 @@ func newIssue(e *xorm.Session, doer *User, opts NewIssueOptions) (err error) {
 	}

 	// Milestone and assignee validation should happen before insert actual object.
-	if _, err = e.Insert(opts.Issue); err != nil {
+
+	// There's no good way to identify a duplicate key error in database/sql; brute force some retries
+	dupIndexAttempts := issueMaxDupIndexAttempts
+	for {
+		_, err := e.SetExpr("`index`", "coalesce(MAX(`index`),0)+1").
+			Where("repo_id=?", opts.Issue.RepoID).
+			Insert(opts.Issue)
+		if err == nil {
+			break
+		}
+
+		dupIndexAttempts--
+		if dupIndexAttempts <= 0 {
 			return err
 		}
+	}
+
+	inserted, err := getIssueByID(e, opts.Issue.ID)
+	if err != nil {
+		return err
+	}
+
+	// Patch Index with the value calculated by the database
+	opts.Issue.Index = inserted.Index

 	if opts.Issue.MilestoneID > 0 {
 		if err = changeMilestoneAssign(e, doer, opts.Issue, -1); err != nil {
--- a/routers/api/v1/repo/pull.go
+++ b/routers/api/v1/repo/pull.go
@ -252,15 +252,8 @@ func CreatePullRequest(ctx *context.APIContext, form api.CreatePullRequestOption
 		deadlineUnix = timeutil.TimeStamp(form.Deadline.Unix())
 	}

-	maxIndex, err := models.GetMaxIndexOfIssue(repo.ID)
-	if err != nil {
-		ctx.ServerError("GetPatch", err)
-		return
-	}
-
 	prIssue := &models.Issue{
 		RepoID:       repo.ID,
-		Index:        maxIndex + 1,
 		Title:        form.Title,
 		PosterID:     ctx.User.ID,
 		Poster:       ctx.User,
--- a/routers/repo/pull.go
+++ b/routers/repo/pull.go
@ -710,15 +710,8 @@ func CompareAndPullRequestPost(ctx *context.Context, form auth.CreateIssueForm)
 		return
 	}

-	maxIndex, err := models.GetMaxIndexOfIssue(repo.ID)
-	if err != nil {
-		ctx.ServerError("GetPatch", err)
-		return
-	}
-
 	pullIssue := &models.Issue{
 		RepoID:      repo.ID,
-		Index:       maxIndex + 1,
 		Title:       form.Title,
 		PosterID:    ctx.User.ID,
 		Poster:      ctx.User,
--- a/vendor/github.com/go-xorm/xorm/.drone.yml
+++ b/vendor/github.com/go-xorm/xorm/.drone.yml
@ -1,125 +1,431 @@
+---
+kind: pipeline
+name: matrix-1
+
+platform:
+  os: linux
+  arch: amd64
+
+clone:
+  disable: true
+
 workspace:
  base: /go
  path: src/github.com/go-xorm/xorm

-clone:
-  git:
+steps:
+- name: git
+  pull: default
  image: plugins/git:next
+  settings:
    depth: 50
    tags: true

-services:
-  mysql:
-    image: mysql:5.7
-    environment:
-      - MYSQL_DATABASE=xorm_test
-      - MYSQL_ALLOW_EMPTY_PASSWORD=yes
-    when:
-      event: [ push, tag, pull_request ]
-
-  pgsql:
-    image: postgres:9.5
-    environment:
-      - POSTGRES_USER=postgres
-      - POSTGRES_DB=xorm_test
-    when:
-      event: [ push, tag, pull_request ]
-
-  #mssql:
-  #  image: microsoft/mssql-server-linux:2017-CU11
-  #  environment:
-  #    - ACCEPT_EULA=Y
-  #    - SA_PASSWORD=yourStrong(!)Password
-  #    - MSSQL_PID=Developer
-  #  commands:
-  #    - echo 'CREATE DATABASE xorm_test' > create.sql
-  #    - /opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P yourStrong(!)Password -i "create.sql"
-
-matrix:
-  GO_VERSION:
-    - 1.8
-    - 1.9
-    - 1.10
-    - 1.11
-
-pipeline:
-  init_postgres:
+- name: init_postgres
+  pull: default
  image: postgres:9.5
  commands:
-      # wait for postgres service to become available
-      - |
-        until psql -U postgres -d xorm_test -h pgsql \
-         -c "SELECT 1;" >/dev/null 2>&1; do sleep 1; done
-      # query the database
-      - |
-        psql -U postgres -d xorm_test -h pgsql \
-          -c "create schema xorm;"
+  - "until psql -U postgres -d xorm_test -h pgsql \\\n -c \"SELECT 1;\" >/dev/null 2>&1; do sleep 1; done\n"
+  - "psql -U postgres -d xorm_test -h pgsql \\\n  -c \"create schema xorm;\"\n"

-  build:
-    image: golang:${GO_VERSION}
+- name: build
+  pull: default
+  image: golang:1.10
  commands:
  - go get -t -d -v ./...
  - go get -u xorm.io/core
  - go get -u xorm.io/builder
  - go build -v
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-sqlite:
-    image: golang:${GO_VERSION}
+- name: test-sqlite
+  pull: default
+  image: golang:1.10
  commands:
  - go get -u github.com/wadey/gocovmerge
-      - go test -v -race -db="sqlite3" -conn_str="./test.db" -coverprofile=coverage1-1.txt -covermode=atomic
-      - go test -v -race -db="sqlite3" -conn_str="./test.db" -cache=true -coverprofile=coverage1-2.txt -covermode=atomic
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -coverprofile=coverage1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -cache=true -coverprofile=coverage1-2.txt -covermode=atomic"
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-mysql:
-    image: golang:${GO_VERSION}
+- name: test-mysql
+  pull: default
+  image: golang:1.10
  commands:
-      - go test -v -race -db="mysql" -conn_str="root:@tcp(mysql)/xorm_test" -coverprofile=coverage2-1.txt -covermode=atomic
-      - go test -v -race -db="mysql" -conn_str="root:@tcp(mysql)/xorm_test" -cache=true -coverprofile=coverage2-2.txt -covermode=atomic
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -coverprofile=coverage2-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -cache=true -coverprofile=coverage2-2.txt -covermode=atomic"
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-mysql-utf8mb4:
-    image: golang:${GO_VERSION}
+- name: test-mysql-utf8mb4
+  pull: default
+  image: golang:1.10
  commands:
-      - go test -v -race -db="mysql" -conn_str="root:@tcp(mysql)/xorm_test?charset=utf8mb4" -coverprofile=coverage2.1-1.txt -covermode=atomic
-      - go test -v -race -db="mysql" -conn_str="root:@tcp(mysql)/xorm_test?charset=utf8mb4" -cache=true -coverprofile=coverage2.1-2.txt -covermode=atomic
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -coverprofile=coverage2.1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -cache=true -coverprofile=coverage2.1-2.txt -covermode=atomic"
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-mymysql:
-    image: golang:${GO_VERSION}
+- name: test-mymysql
+  pull: default
+  image: golang:1.10
  commands:
-      - go test -v -race -db="mymysql" -conn_str="tcp:mysql:3306*xorm_test/root/" -coverprofile=coverage3-1.txt -covermode=atomic
-      - go test -v -race -db="mymysql" -conn_str="tcp:mysql:3306*xorm_test/root/" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -coverprofile=coverage3-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic"
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-postgres:
-    image: golang:${GO_VERSION}
+- name: test-postgres
+  pull: default
+  image: golang:1.10
  commands:
-      - go test -v -race -db="postgres" -conn_str="postgres://postgres:@pgsql/xorm_test?sslmode=disable" -coverprofile=coverage4-1.txt -covermode=atomic
-      - go test -v -race -db="postgres" -conn_str="postgres://postgres:@pgsql/xorm_test?sslmode=disable" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -coverprofile=coverage4-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic"
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  test-postgres-schema:
-    image: golang:${GO_VERSION}
+- name: test-postgres-schema
+  pull: default
+  image: golang:1.10
  commands:
-      - go test -v -race -db="postgres" -conn_str="postgres://postgres:@pgsql/xorm_test?sslmode=disable" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic
-      - go test -v -race -db="postgres" -conn_str="postgres://postgres:@pgsql/xorm_test?sslmode=disable" -schema=xorm -cache=true -coverprofile=coverage5-2.txt -covermode=atomic
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -cache=true -coverprofile=coverage5-2.txt -covermode=atomic"
  - gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage2.1-1.txt coverage2.1-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt coverage5-1.txt coverage5-2.txt > coverage.txt
  when:
-      event: [ push, pull_request ]
+    event:
+    - push
+    - pull_request

-  #coverage:
-  #  image: robertstettner/drone-codecov
-  #  secrets: [ codecov_token ]
-  #  files:
-  #    - coverage.txt
-  #  when:
-  #    event: [ push, pull_request ]
-  #    branch: [ master ]
+services:
+- name: mysql
+  pull: default
+  image: mysql:5.7
+  environment:
+    MYSQL_ALLOW_EMPTY_PASSWORD: yes
+    MYSQL_DATABASE: xorm_test
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+- name: pgsql
+  pull: default
+  image: postgres:9.5
+  environment:
+    POSTGRES_DB: xorm_test
+    POSTGRES_USER: postgres
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+---
+kind: pipeline
+name: matrix-2
+
+platform:
+  os: linux
+  arch: amd64
+
+clone:
+  disable: true
+
+workspace:
+  base: /go
+  path: src/github.com/go-xorm/xorm
+
+steps:
+- name: git
+  pull: default
+  image: plugins/git:next
+  settings:
+    depth: 50
+    tags: true
+
+- name: init_postgres
+  pull: default
+  image: postgres:9.5
+  commands:
+  - "until psql -U postgres -d xorm_test -h pgsql \\\n -c \"SELECT 1;\" >/dev/null 2>&1; do sleep 1; done\n"
+  - "psql -U postgres -d xorm_test -h pgsql \\\n  -c \"create schema xorm;\"\n"
+
+- name: build
+  pull: default
+  image: golang:1.11
+  commands:
+    - go get -t -d -v ./...	
+    - go get -u xorm.io/core	
+    - go get -u xorm.io/builder
+    - GO111MODULE=off go build -v
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: build-gomod
+  pull: default
+  image: golang:1.11
+  environment:
+    GOPROXY: "https://goproxy.cn"
+  commands:
+    - GO111MODULE=on go build -v
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-sqlite
+  pull: default
+  image: golang:1.11
+  commands:
+  - go get -u github.com/wadey/gocovmerge
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -coverprofile=coverage1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -cache=true -coverprofile=coverage1-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mysql
+  pull: default
+  image: golang:1.11
+  commands:
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -coverprofile=coverage2-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -cache=true -coverprofile=coverage2-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mysql-utf8mb4
+  pull: default
+  image: golang:1.11
+  commands:
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -coverprofile=coverage2.1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -cache=true -coverprofile=coverage2.1-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mymysql
+  pull: default
+  image: golang:1.11
+  commands:
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -coverprofile=coverage3-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-postgres
+  pull: default
+  image: golang:1.11
+  commands:
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -coverprofile=coverage4-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-postgres-schema
+  pull: default
+  image: golang:1.11
+  commands:
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -cache=true -coverprofile=coverage5-2.txt -covermode=atomic"
+  - gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage2.1-1.txt coverage2.1-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt coverage5-1.txt coverage5-2.txt > coverage.txt
+  when:
+    event:
+    - push
+    - pull_request
+
+services:
+- name: mysql
+  pull: default
+  image: mysql:5.7
+  environment:
+    MYSQL_ALLOW_EMPTY_PASSWORD: yes
+    MYSQL_DATABASE: xorm_test
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+- name: pgsql
+  pull: default
+  image: postgres:9.5
+  environment:
+    POSTGRES_DB: xorm_test
+    POSTGRES_USER: postgres
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+---
+kind: pipeline
+name: matrix-3
+
+platform:
+  os: linux
+  arch: amd64
+
+clone:
+  disable: true
+
+workspace:
+  base: /go
+  path: src/github.com/go-xorm/xorm
+
+steps:
+- name: git
+  pull: default
+  image: plugins/git:next
+  settings:
+    depth: 50
+    tags: true
+
+- name: init_postgres
+  pull: default
+  image: postgres:9.5
+  commands:
+  - "until psql -U postgres -d xorm_test -h pgsql \\\n -c \"SELECT 1;\" >/dev/null 2>&1; do sleep 1; done\n"
+  - "psql -U postgres -d xorm_test -h pgsql \\\n  -c \"create schema xorm;\"\n"
+
+- name: build
+  pull: default
+  image: golang:1.12
+  commands:
+    - go get -t -d -v ./...	
+    - go get -u xorm.io/core	
+    - go get -u xorm.io/builder
+    - GO111MODULE=off go build -v
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: build-gomod
+  pull: default
+  image: golang:1.12
+  environment:
+    GOPROXY: "https://goproxy.cn" 
+  commands:
+    - GO111MODULE=on go build -v
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-sqlite
+  pull: default
+  image: golang:1.12
+  commands:
+  - go get -u github.com/wadey/gocovmerge
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -coverprofile=coverage1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"sqlite3\" -conn_str=\"./test.db\" -cache=true -coverprofile=coverage1-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mysql
+  pull: default
+  image: golang:1.12
+  commands:
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -coverprofile=coverage2-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test\" -cache=true -coverprofile=coverage2-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mysql-utf8mb4
+  pull: default
+  image: golang:1.12
+  commands:
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -coverprofile=coverage2.1-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mysql\" -conn_str=\"root:@tcp(mysql)/xorm_test?charset=utf8mb4\" -cache=true -coverprofile=coverage2.1-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-mymysql
+  pull: default
+  image: golang:1.12
+  commands:
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -coverprofile=coverage3-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"mymysql\" -conn_str=\"tcp:mysql:3306*xorm_test/root/\" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-postgres
+  pull: default
+  image: golang:1.12
+  commands:
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -coverprofile=coverage4-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic"
+  when:
+    event:
+    - push
+    - pull_request
+
+- name: test-postgres-schema
+  pull: default
+  image: golang:1.12
+  commands:
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic"
+  - "go test -v -race -db=\"postgres\" -conn_str=\"postgres://postgres:@pgsql/xorm_test?sslmode=disable\" -schema=xorm -cache=true -coverprofile=coverage5-2.txt -covermode=atomic"
+  - gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage2.1-1.txt coverage2.1-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt coverage5-1.txt coverage5-2.txt > coverage.txt
+  when:
+    event:
+    - push
+    - pull_request
+
+services:
+- name: mysql
+  pull: default
+  image: mysql:5.7
+  environment:
+    MYSQL_ALLOW_EMPTY_PASSWORD: yes
+    MYSQL_DATABASE: xorm_test
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+- name: pgsql
+  pull: default
+  image: postgres:9.5
+  environment:
+    POSTGRES_DB: xorm_test
+    POSTGRES_USER: postgres
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
--- a/vendor/github.com/go-xorm/xorm/README.md
+++ b/vendor/github.com/go-xorm/xorm/README.md
@ -284,6 +284,13 @@ counts, err := engine.Count(&user)
 // SELECT count(*) AS total FROM user
 ```

+* `FindAndCount` combines function `Find` with `Count` which is usually used in query by page
+
+```Go
+var users []User
+counts, err := engine.FindAndCount(&users)
+```
+
 * `Sum` sum functions

 ```Go
--- a/vendor/github.com/go-xorm/xorm/dialect_mssql.go
+++ b/vendor/github.com/go-xorm/xorm/dialect_mssql.go
@ -286,10 +286,6 @@ func (db *mssql) Quote(name string) string {
 	return "\"" + name + "\""
 }

-func (db *mssql) QuoteStr() string {
-	return "\""
-}
-
 func (db *mssql) SupportEngine() bool {
 	return false
 }
@ -507,7 +503,7 @@ func (db *mssql) CreateTableSql(table *core.Table, tableName, storeEngine, chars

 	sql = "IF NOT EXISTS (SELECT [name] FROM sys.tables WHERE [name] = '" + tableName + "' ) CREATE TABLE "

-	sql += db.QuoteStr() + tableName + db.QuoteStr() + " ("
+	sql += db.Quote(tableName) + " ("

 	pkList := table.PrimaryKeys

--- a/vendor/github.com/go-xorm/xorm/dialect_mysql.go
+++ b/vendor/github.com/go-xorm/xorm/dialect_mysql.go
@ -278,10 +278,6 @@ func (db *mysql) Quote(name string) string {
 	return "`" + name + "`"
 }

-func (db *mysql) QuoteStr() string {
-	return "`"
-}
-
 func (db *mysql) SupportEngine() bool {
 	return true
 }
@ -559,8 +555,6 @@ func (db *mysql) CreateTableSql(table *core.Table, tableName, storeEngine, chars
 		sql += " DEFAULT CHARSET " + charset
 	}

-	
-
 	if db.rowFormat != "" {
 		sql += " ROW_FORMAT=" + db.rowFormat
 	}
--- a/vendor/github.com/go-xorm/xorm/dialect_oracle.go
+++ b/vendor/github.com/go-xorm/xorm/dialect_oracle.go
@ -552,11 +552,7 @@ func (db *oracle) IsReserved(name string) bool {
 }

 func (db *oracle) Quote(name string) string {
-	return "\"" + name + "\""
-}
-
-func (db *oracle) QuoteStr() string {
-	return "\""
+	return "[" + name + "]"
 }

 func (db *oracle) SupportEngine() bool {
--- a/vendor/github.com/go-xorm/xorm/dialect_postgres.go
+++ b/vendor/github.com/go-xorm/xorm/dialect_postgres.go
@ -863,10 +863,6 @@ func (db *postgres) Quote(name string) string {
 	return "\"" + name + "\""
 }

-func (db *postgres) QuoteStr() string {
-	return "\""
-}
-
 func (db *postgres) AutoIncrStr() string {
 	return ""
 }
@ -1093,7 +1089,6 @@ func (db *postgres) GetTables() ([]*core.Table, error) {
 	return tables, nil
 }

-
 func getIndexColName(indexdef string) []string {
 	var colNames []string

@ -1105,7 +1100,6 @@ func getIndexColName(indexdef string) []string {
 	return colNames
 }

-
 func (db *postgres) GetIndexes(tableName string) (map[string]*core.Index, error) {
 	args := []interface{}{tableName}
 	s := fmt.Sprintf("SELECT indexname, indexdef FROM pg_indexes WHERE tablename=$1")
--- a/vendor/github.com/go-xorm/xorm/dialect_sqlite3.go
+++ b/vendor/github.com/go-xorm/xorm/dialect_sqlite3.go
@ -202,10 +202,6 @@ func (db *sqlite3) Quote(name string) string {
 	return "`" + name + "`"
 }

-func (db *sqlite3) QuoteStr() string {
-	return "`"
-}
-
 func (db *sqlite3) AutoIncrStr() string {
 	return "AUTOINCREMENT"
 }
--- a/vendor/github.com/go-xorm/xorm/engine.go
+++ b/vendor/github.com/go-xorm/xorm/engine.go
@ -175,12 +175,6 @@ func (engine *Engine) SupportInsertMany() bool {
 	return engine.dialect.SupportInsertMany()
 }

-// QuoteStr Engine's database use which character as quote.
-// mysql, sqlite use ` and postgres use "
-func (engine *Engine) QuoteStr() string {
-	return engine.dialect.QuoteStr()
-}
-
 func (engine *Engine) quoteColumns(columnStr string) string {
 	columns := strings.Split(columnStr, ",")
 	for i := 0; i < len(columns); i++ {
@ -196,13 +190,10 @@ func (engine *Engine) Quote(value string) string {
 		return value
 	}

-	if string(value[0]) == engine.dialect.QuoteStr() || value[0] == '`' {
-		return value
-	}
+	buf := builder.StringBuilder{}
+	engine.QuoteTo(&buf, value)

-	value = strings.Replace(value, ".", engine.dialect.QuoteStr()+"."+engine.dialect.QuoteStr(), -1)
-
-	return engine.dialect.QuoteStr() + value + engine.dialect.QuoteStr()
+	return buf.String()
 }

 // QuoteTo quotes string and writes into the buffer
@ -216,20 +207,30 @@ func (engine *Engine) QuoteTo(buf *builder.StringBuilder, value string) {
 		return
 	}

-	if string(value[0]) == engine.dialect.QuoteStr() || value[0] == '`' {
-		buf.WriteString(value)
+	quotePair := engine.dialect.Quote("")
+
+	if value[0] == '`' || len(quotePair) < 2 || value[0] == quotePair[0] { // no quote
+		_, _ = buf.WriteString(value)
 		return
+	} else {
+		prefix, suffix := quotePair[0], quotePair[1]
+
+		_ = buf.WriteByte(prefix)
+		for i := 0; i < len(value); i++ {
+			if value[i] == '.' {
+				_ = buf.WriteByte(suffix)
+				_ = buf.WriteByte('.')
+				_ = buf.WriteByte(prefix)
+			} else {
+				_ = buf.WriteByte(value[i])
+			}
+		}
+		_ = buf.WriteByte(suffix)
 	}
-
-	value = strings.Replace(value, ".", engine.dialect.QuoteStr()+"."+engine.dialect.QuoteStr(), -1)
-
-	buf.WriteString(engine.dialect.QuoteStr())
-	buf.WriteString(value)
-	buf.WriteString(engine.dialect.QuoteStr())
 }

 func (engine *Engine) quote(sql string) string {
-	return engine.dialect.QuoteStr() + sql + engine.dialect.QuoteStr()
+	return engine.dialect.Quote(sql)
 }

 // SqlType will be deprecated, please use SQLType instead
--- a/vendor/github.com/go-xorm/xorm/go.mod
+++ b/vendor/github.com/go-xorm/xorm/go.mod
@ -15,5 +15,5 @@ require (
 	github.com/stretchr/testify v1.3.0
 	github.com/ziutek/mymysql v1.5.4
 	xorm.io/builder v0.3.5
-	xorm.io/core v0.6.3
+	xorm.io/core v0.7.0
 )
--- a/vendor/github.com/go-xorm/xorm/go.sum
+++ b/vendor/github.com/go-xorm/xorm/go.sum
@ -1,5 +1,4 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.37.4 h1:glPeL3BQJsbF6aIIYfZizMwc5LTYz250bDMjttbBGAU=
 cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
@ -13,7 +12,6 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
 github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@ -36,6 +34,7 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/btree v0.0.0-20180813153112-4030bb1f1f0c/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
@ -100,8 +99,9 @@ github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wK
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c h1:Vj5n4GlwjmQteupaxJ9+0FNOmBrHfq7vN4btdGoDZgI=
 golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 h1:58fnuSXlxZmFdJyvtTFVmVhcMLU6v5fEb/ok4wyqtNU=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@ -114,29 +114,38 @@ golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190606050223-4d9ae51c2468/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.0 h1:Tfd7cKwKbFRsI8RMAD3oqqw7JPFRrvFlOsfbgVkjOOw=
+google.golang.org/appengine v1.6.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@ -155,5 +164,5 @@ honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 xorm.io/builder v0.3.5 h1:EilU39fvWDxjb1cDaELpYhsF+zziRBhew8xk4pngO+A=
 xorm.io/builder v0.3.5/go.mod h1:ZFbByS/KxZI1FKRjL05PyJ4YrK2bcxlUaAxdum5aTR8=
-xorm.io/core v0.6.3 h1:n1NhVZt1s2oLw1BZfX2ocIJsHyso259uPgg63BGr37M=
-xorm.io/core v0.6.3/go.mod h1:8kz/C6arVW/O9vk3PgCiMJO2hIAm1UcuOL3dSPyZ2qo=
+xorm.io/core v0.7.0 h1:hKxuOKWZNeiFQsSuGet/KV8HZ788hclvAl+7azx3tkM=
+xorm.io/core v0.7.0/go.mod h1:TuOJjIVa7e3w/rN8tDcAvuLBMtwzdHPbyOzE6Gk1EUI=
--- a/vendor/github.com/go-xorm/xorm/helpers.go
+++ b/vendor/github.com/go-xorm/xorm/helpers.go
@ -309,3 +309,24 @@ func sliceEq(left, right []string) bool {
 func indexName(tableName, idxName string) string {
 	return fmt.Sprintf("IDX_%v_%v", tableName, idxName)
 }
+
+func eraseAny(value string, strToErase ...string) string {
+	if len(strToErase) == 0 {
+		return value
+	}
+	var replaceSeq []string
+	for _, s := range strToErase {
+		replaceSeq = append(replaceSeq, s, "")
+	}
+
+	replacer := strings.NewReplacer(replaceSeq...)
+
+	return replacer.Replace(value)
+}
+
+func quoteColumns(cols []string, quoteFunc func(string) string, sep string) string {
+	for i := range cols {
+		cols[i] = quoteFunc(cols[i])
+	}
+	return strings.Join(cols, sep+" ")
+}
--- a/vendor/github.com/go-xorm/xorm/session_find.go
+++ b/vendor/github.com/go-xorm/xorm/session_find.go
@ -63,6 +63,8 @@ func (session *Session) FindAndCount(rowsSlicePtr interface{}, condiBean ...inte
 }

 func (session *Session) find(rowsSlicePtr interface{}, condiBean ...interface{}) error {
+	defer session.resetStatement()
+
 	if session.statement.lastError != nil {
 		return session.statement.lastError
 	}
--- a/vendor/github.com/go-xorm/xorm/session_get.go
+++ b/vendor/github.com/go-xorm/xorm/session_get.go
@ -24,6 +24,8 @@ func (session *Session) Get(bean interface{}) (bool, error) {
 }

 func (session *Session) get(bean interface{}) (bool, error) {
+	defer session.resetStatement()
+
 	if session.statement.lastError != nil {
 		return false, session.statement.lastError
 	}
@ -75,6 +77,8 @@ func (session *Session) get(bean interface{}) (bool, error) {
 	if context != nil {
 		res := context.Get(fmt.Sprintf("%v-%v", sqlStr, args))
 		if res != nil {
+			session.engine.logger.Debug("hit context cache", sqlStr)
+
 			structValue := reflect.Indirect(reflect.ValueOf(bean))
 			structValue.Set(reflect.Indirect(reflect.ValueOf(res)))
 			session.lastSQL = ""
@ -114,6 +118,114 @@ func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bea
 		return true, rows.Scan(&bean)
 	case *sql.NullInt64, *sql.NullBool, *sql.NullFloat64, *sql.NullString:
 		return true, rows.Scan(bean)
+	case *string:
+		var res sql.NullString
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*string)) = res.String
+		}
+		return true, nil
+	case *int:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*int)) = int(res.Int64)
+		}
+		return true, nil
+	case *int8:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*int8)) = int8(res.Int64)
+		}
+		return true, nil
+	case *int16:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*int16)) = int16(res.Int64)
+		}
+		return true, nil
+	case *int32:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*int32)) = int32(res.Int64)
+		}
+		return true, nil
+	case *int64:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*int64)) = int64(res.Int64)
+		}
+		return true, nil
+	case *uint:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*uint)) = uint(res.Int64)
+		}
+		return true, nil
+	case *uint8:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*uint8)) = uint8(res.Int64)
+		}
+		return true, nil
+	case *uint16:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*uint16)) = uint16(res.Int64)
+		}
+		return true, nil
+	case *uint32:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*uint32)) = uint32(res.Int64)
+		}
+		return true, nil
+	case *uint64:
+		var res sql.NullInt64
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*uint64)) = uint64(res.Int64)
+		}
+		return true, nil
+	case *bool:
+		var res sql.NullBool
+		if err := rows.Scan(&res); err != nil {
+			return true, err
+		}
+		if res.Valid {
+			*(bean.(*bool)) = res.Bool
+		}
+		return true, nil
 	}

 	switch beanKind {
@ -142,6 +254,9 @@ func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bea
 		err = rows.ScanSlice(bean)
 	case reflect.Map:
 		err = rows.ScanMap(bean)
+	case reflect.String, reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
+		reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		err = rows.Scan(bean)
 	default:
 		err = rows.Scan(bean)
 	}
--- a/vendor/github.com/go-xorm/xorm/session_insert.go
+++ b/vendor/github.com/go-xorm/xorm/session_insert.go
@ -12,6 +12,7 @@ import (
 	"strconv"
 	"strings"

+	"xorm.io/builder"
 	"xorm.io/core"
 )

@ -242,23 +243,17 @@ func (session *Session) innerInsertMulti(rowsSlicePtr interface{}) (int64, error

 	var sql string
 	if session.engine.dialect.DBType() == core.ORACLE {
-		temp := fmt.Sprintf(") INTO %s (%v%v%v) VALUES (",
+		temp := fmt.Sprintf(") INTO %s (%v) VALUES (",
 			session.engine.Quote(tableName),
-			session.engine.QuoteStr(),
-			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
-			session.engine.QuoteStr())
-		sql = fmt.Sprintf("INSERT ALL INTO %s (%v%v%v) VALUES (%v) SELECT 1 FROM DUAL",
+			quoteColumns(colNames, session.engine.Quote, ","))
+		sql = fmt.Sprintf("INSERT ALL INTO %s (%v) VALUES (%v) SELECT 1 FROM DUAL",
 			session.engine.Quote(tableName),
-			session.engine.QuoteStr(),
-			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
-			session.engine.QuoteStr(),
+			quoteColumns(colNames, session.engine.Quote, ","),
 			strings.Join(colMultiPlaces, temp))
 	} else {
-		sql = fmt.Sprintf("INSERT INTO %s (%v%v%v) VALUES (%v)",
+		sql = fmt.Sprintf("INSERT INTO %s (%v) VALUES (%v)",
 			session.engine.Quote(tableName),
-			session.engine.QuoteStr(),
-			strings.Join(colNames, session.engine.QuoteStr()+", "+session.engine.QuoteStr()),
-			session.engine.QuoteStr(),
+			quoteColumns(colNames, session.engine.Quote, ","),
 			strings.Join(colMultiPlaces, "),("))
 	}
 	res, err := session.exec(sql, args...)
@ -351,7 +346,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 	for _, v := range exprColumns {
 		// remove the expr columns
 		for i, colName := range colNames {
-			if colName == v.colName {
+			if colName == strings.Trim(v.colName, "`") {
 				colNames = append(colNames[:i], colNames[i+1:]...)
 				args = append(args[:i], args[i+1:]...)
 			}
@ -377,14 +372,30 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 	if session.engine.dialect.DBType() == core.MSSQL && len(table.AutoIncrement) > 0 {
 		output = fmt.Sprintf(" OUTPUT Inserted.%s", table.AutoIncrement)
 	}
+
 	if len(colPlaces) > 0 {
-		sqlStr = fmt.Sprintf("INSERT INTO %s (%v%v%v)%s VALUES (%v)",
+		if session.statement.cond.IsValid() {
+			condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
+			if err != nil {
+				return 0, err
+			}
+
+			sqlStr = fmt.Sprintf("INSERT INTO %s (%v)%s SELECT %v FROM %v WHERE %v",
 				session.engine.Quote(tableName),
-			session.engine.QuoteStr(),
-			strings.Join(colNames, session.engine.Quote(", ")),
-			session.engine.QuoteStr(),
+				quoteColumns(colNames, session.engine.Quote, ","),
+				output,
+				colPlaces,
+				session.engine.Quote(tableName),
+				condSQL,
+			)
+			args = append(args, condArgs...)
+		} else {
+			sqlStr = fmt.Sprintf("INSERT INTO %s (%v)%s VALUES (%v)",
+				session.engine.Quote(tableName),
+				quoteColumns(colNames, session.engine.Quote, ","),
 				output,
 				colPlaces)
+		}
 	} else {
 		if session.engine.dialect.DBType() == core.MYSQL {
 			sqlStr = fmt.Sprintf("INSERT INTO %s VALUES ()", session.engine.Quote(tableName))
@ -671,6 +682,11 @@ func (session *Session) insertMapInterface(m map[string]interface{}) (int64, err
 		return 0, ErrParamsType
 	}

+	tableName := session.statement.TableName()
+	if len(tableName) <= 0 {
+		return 0, ErrTableNotFound
+	}
+
 	var columns = make([]string, 0, len(m))
 	for k := range m {
 		columns = append(columns, k)
@ -678,19 +694,40 @@ func (session *Session) insertMapInterface(m map[string]interface{}) (int64, err
 	sort.Strings(columns)

 	qm := strings.Repeat("?,", len(columns))
-	qm = "(" + qm[:len(qm)-1] + ")"

-	tableName := session.statement.TableName()
-	if len(tableName) <= 0 {
-		return 0, ErrTableNotFound
-	}
-
-	var sql = fmt.Sprintf("INSERT INTO %s (`%s`) VALUES %s", session.engine.Quote(tableName), strings.Join(columns, "`,`"), qm)
 	var args = make([]interface{}, 0, len(m))
 	for _, colName := range columns {
 		args = append(args, m[colName])
 	}

+	// insert expr columns, override if exists
+	exprColumns := session.statement.getExpr()
+	for _, col := range exprColumns {
+		columns = append(columns, strings.Trim(col.colName, "`"))
+		qm = qm + col.expr + ","
+	}
+
+	qm = qm[:len(qm)-1]
+
+	var sql string
+
+	if session.statement.cond.IsValid() {
+		condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
+		if err != nil {
+			return 0, err
+		}
+		sql = fmt.Sprintf("INSERT INTO %s (`%s`) SELECT %s FROM %s WHERE %s",
+			session.engine.Quote(tableName),
+			strings.Join(columns, "`,`"),
+			qm,
+			session.engine.Quote(tableName),
+			condSQL,
+		)
+		args = append(args, condArgs...)
+	} else {
+		sql = fmt.Sprintf("INSERT INTO %s (`%s`) VALUES (%s)", session.engine.Quote(tableName), strings.Join(columns, "`,`"), qm)
+	}
+
 	if err := session.cacheInsert(tableName); err != nil {
 		return 0, err
 	}
@ -711,26 +748,53 @@ func (session *Session) insertMapString(m map[string]string) (int64, error) {
 		return 0, ErrParamsType
 	}

+	tableName := session.statement.TableName()
+	if len(tableName) <= 0 {
+		return 0, ErrTableNotFound
+	}
+
 	var columns = make([]string, 0, len(m))
 	for k := range m {
 		columns = append(columns, k)
 	}
 	sort.Strings(columns)

-	qm := strings.Repeat("?,", len(columns))
-	qm = "(" + qm[:len(qm)-1] + ")"
-
-	tableName := session.statement.TableName()
-	if len(tableName) <= 0 {
-		return 0, ErrTableNotFound
-	}
-
-	var sql = fmt.Sprintf("INSERT INTO %s (`%s`) VALUES %s", session.engine.Quote(tableName), strings.Join(columns, "`,`"), qm)
 	var args = make([]interface{}, 0, len(m))
 	for _, colName := range columns {
 		args = append(args, m[colName])
 	}

+	qm := strings.Repeat("?,", len(columns))
+
+	// insert expr columns, override if exists
+	exprColumns := session.statement.getExpr()
+	for _, col := range exprColumns {
+		columns = append(columns, strings.Trim(col.colName, "`"))
+		qm = qm + col.expr + ","
+	}
+
+	qm = qm[:len(qm)-1]
+
+	var sql string
+
+	if session.statement.cond.IsValid() {
+		qm = "(" + qm[:len(qm)-1] + ")"
+		condSQL, condArgs, err := builder.ToSQL(session.statement.cond)
+		if err != nil {
+			return 0, err
+		}
+		sql = fmt.Sprintf("INSERT INTO %s (`%s`) SELECT %s FROM %s WHERE %s",
+			session.engine.Quote(tableName),
+			strings.Join(columns, "`,`"),
+			qm,
+			session.engine.Quote(tableName),
+			condSQL,
+		)
+		args = append(args, condArgs...)
+	} else {
+		sql = fmt.Sprintf("INSERT INTO %s (`%s`) VALUES (%s)", session.engine.Quote(tableName), strings.Join(columns, "`,`"), qm)
+	}
+
 	if err := session.cacheInsert(tableName); err != nil {
 		return 0, err
 	}
--- a/vendor/github.com/go-xorm/xorm/session_update.go
+++ b/vendor/github.com/go-xorm/xorm/session_update.go
@ -96,14 +96,15 @@ func (session *Session) cacheUpdate(table *core.Table, tableName, sqlStr string,
 				return ErrCacheFailed
 			}
 			kvs := strings.Split(strings.TrimSpace(sqls[1]), ",")
+
 			for idx, kv := range kvs {
 				sps := strings.SplitN(kv, "=", 2)
 				sps2 := strings.Split(sps[0], ".")
 				colName := sps2[len(sps2)-1]
-				if strings.Contains(colName, "`") {
-					colName = strings.TrimSpace(strings.Replace(colName, "`", "", -1))
-				} else if strings.Contains(colName, session.engine.QuoteStr()) {
-					colName = strings.TrimSpace(strings.Replace(colName, session.engine.QuoteStr(), "", -1))
+				// treat quote prefix, suffix and '`' as quotes
+				quotes := append(strings.Split(session.engine.Quote(""), ""), "`")
+				if strings.ContainsAny(colName, strings.Join(quotes, "")) {
+					colName = strings.TrimSpace(eraseAny(colName, quotes...))
 				} else {
 					session.engine.logger.Debug("[cacheUpdate] cannot find column", tableName, colName)
 					return ErrCacheFailed
--- a/vendor/github.com/go-xorm/xorm/statement.go
+++ b/vendor/github.com/go-xorm/xorm/statement.go
@ -6,7 +6,6 @@ package xorm

 import (
 	"database/sql/driver"
-	"errors"
 	"fmt"
 	"reflect"
 	"strings"
@ -579,21 +578,9 @@ func (statement *Statement) getExpr() map[string]exprParam {

 func (statement *Statement) col2NewColsWithQuote(columns ...string) []string {
 	newColumns := make([]string, 0)
+	quotes := append(strings.Split(statement.Engine.Quote(""), ""), "`")
 	for _, col := range columns {
-		col = strings.Replace(col, "`", "", -1)
-		col = strings.Replace(col, statement.Engine.QuoteStr(), "", -1)
-		ccols := strings.Split(col, ",")
-		for _, c := range ccols {
-			fields := strings.Split(strings.TrimSpace(c), ".")
-			if len(fields) == 1 {
-				newColumns = append(newColumns, statement.Engine.quote(fields[0]))
-			} else if len(fields) == 2 {
-				newColumns = append(newColumns, statement.Engine.quote(fields[0])+"."+
-					statement.Engine.quote(fields[1]))
-			} else {
-				panic(errors.New("unwanted colnames"))
-			}
-		}
+		newColumns = append(newColumns, statement.Engine.Quote(eraseAny(col, quotes...)))
 	}
 	return newColumns
 }
@ -764,7 +751,9 @@ func (statement *Statement) Join(joinOP string, tablename interface{}, condition
 			return statement
 		}
 		tbs := strings.Split(tp.TableName(), ".")
-		var aliasName = strings.Trim(tbs[len(tbs)-1], statement.Engine.QuoteStr())
+		quotes := append(strings.Split(statement.Engine.Quote(""), ""), "`")
+
+		var aliasName = strings.Trim(tbs[len(tbs)-1], strings.Join(quotes, ""))
 		fmt.Fprintf(&buf, "(%s) %s ON %v", subSQL, aliasName, condition)
 		statement.joinArgs = append(statement.joinArgs, subQueryArgs...)
 	case *builder.Builder:
@ -774,7 +763,9 @@ func (statement *Statement) Join(joinOP string, tablename interface{}, condition
 			return statement
 		}
 		tbs := strings.Split(tp.TableName(), ".")
-		var aliasName = strings.Trim(tbs[len(tbs)-1], statement.Engine.QuoteStr())
+		quotes := append(strings.Split(statement.Engine.Quote(""), ""), "`")
+
+		var aliasName = strings.Trim(tbs[len(tbs)-1], strings.Join(quotes, ""))
 		fmt.Fprintf(&buf, "(%s) %s ON %v", subSQL, aliasName, condition)
 		statement.joinArgs = append(statement.joinArgs, subQueryArgs...)
 	default:
@ -1157,8 +1148,12 @@ func (statement *Statement) genSelectSQL(columnStr, condSQL string, needLimit, n
 			if statement.Start != 0 || statement.LimitN != 0 {
 				oldString := buf.String()
 				buf.Reset()
+				rawColStr := columnStr
+				if rawColStr == "*" {
+					rawColStr = "at.*"
+				}
 				fmt.Fprintf(&buf, "SELECT %v FROM (SELECT %v,ROWNUM RN FROM (%v) at WHERE ROWNUM <= %d) aat WHERE RN > %d",
-					columnStr, columnStr, oldString, statement.Start+statement.LimitN, statement.Start)
+					columnStr, rawColStr, oldString, statement.Start+statement.LimitN, statement.Start)
 			}
 		}
 	}
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@ -148,7 +148,7 @@ github.com/go-redis/redis/internal/proto
 github.com/go-redis/redis/internal/util
 # github.com/go-sql-driver/mysql v1.4.1
 github.com/go-sql-driver/mysql
-# github.com/go-xorm/xorm v0.7.4
+# github.com/go-xorm/xorm v0.7.7-0.20190822154023-17592d96b35b
 github.com/go-xorm/xorm
 # github.com/gogits/chardet v0.0.0-20150115103509-2404f7772561
 github.com/gogits/chardet
@ -482,5 +482,5 @@ mvdan.cc/xurls/v2
 strk.kbt.io/projects/go/libravatar
 # xorm.io/builder v0.3.5
 xorm.io/builder
-# xorm.io/core v0.6.3
+# xorm.io/core v0.7.0
 xorm.io/core
--- a/vendor/xorm.io/core/.drone.yml
+++ b/vendor/xorm.io/core/.drone.yml
@ -0,0 +1,42 @@
+workspace:
+  base: /go
+  path: src/xorm.io/core
+
+clone:
+  git:
+    image: plugins/git:next
+    depth: 50
+    tags: true
+
+matrix:
+  GO_VERSION:
+    - 1.9
+    - 1.10
+    - 1.11
+    - 1.12
+
+pipeline:
+  test:
+    image: golang:${GO_VERSION}
+    environment:
+      GOPROXY: https://goproxy.cn
+    commands:
+      - go get -u golang.org/x/lint/golint
+      - go get -u github.com/stretchr/testify/assert
+      - go get -u github.com/go-xorm/sqlfiddle
+      - go get -u github.com/go-sql-driver/mysql
+      - go get -u github.com/mattn/go-sqlite3
+      - go vet
+      - go test -v -race -coverprofile=coverage.txt -covermode=atomic -dbConn="root:@tcp(mysql:3306)/core_test?charset=utf8mb4"
+    when:
+      event: [ push, tag, pull_request ]
+
+
+services:
+  mysql:
+    image: mysql:5.7
+    environment:
+      - MYSQL_DATABASE=core_test
+      - MYSQL_ALLOW_EMPTY_PASSWORD=yes
+    when:
+      event: [ push, tag, pull_request ]
--- a/vendor/xorm.io/core/README.md
+++ b/vendor/xorm.io/core/README.md
@ -1,6 +1,8 @@
 Core is a lightweight wrapper of sql.DB.

-[![CircleCI](https://circleci.com/gh/go-xorm/core/tree/master.svg?style=svg)](https://circleci.com/gh/go-xorm/core/tree/master)
+[![Build Status](https://drone.gitea.com/api/badges/xorm/core/status.svg)](https://drone.gitea.com/xorm/core)
+[![](http://gocover.io/_badge/xorm.io/core)](http://gocover.io/xorm.io/core)
+[![Go Report Card](https://goreportcard.com/badge/code.gitea.io/gitea)](https://goreportcard.com/report/xorm.io/core)

 # Open
 ```Go
--- a/vendor/xorm.io/core/cache.go
+++ b/vendor/xorm.io/core/cache.go
@ -14,19 +14,20 @@ import (
 )

 const (
-	// default cache expired time
+	// CacheExpired is default cache expired time
 	CacheExpired = 60 * time.Minute
-	// not use now
+	// CacheMaxMemory is not use now
 	CacheMaxMemory = 256
-	// evey ten minutes to clear all expired nodes
+	// CacheGcInterval represents interval time to clear all expired nodes
 	CacheGcInterval = 10 * time.Minute
-	// each time when gc to removed max nodes
+	// CacheGcMaxRemoved represents max nodes removed when gc
 	CacheGcMaxRemoved = 20
 )

+// list all the errors
 var (
-	ErrCacheMiss = errors.New("xorm/cache: key not found.")
-	ErrNotStored = errors.New("xorm/cache: not stored.")
+	ErrCacheMiss = errors.New("xorm/cache: key not found")
+	ErrNotStored = errors.New("xorm/cache: not stored")
 )

 // CacheStore is a interface to store cache
@ -69,6 +70,7 @@ func decodeIds(s string) ([]PK, error) {
 	return pks, err
 }

+// GetCacheSql returns cacher PKs via SQL
 func GetCacheSql(m Cacher, tableName, sql string, args interface{}) ([]PK, error) {
 	bytes := m.GetIds(tableName, GenSqlKey(sql, args))
 	if bytes == nil {
@ -77,6 +79,7 @@ func GetCacheSql(m Cacher, tableName, sql string, args interface{}) ([]PK, error
 	return decodeIds(bytes.(string))
 }

+// PutCacheSql puts cacher SQL and PKs
 func PutCacheSql(m Cacher, ids []PK, tableName, sql string, args interface{}) error {
 	bytes, err := encodeIds(ids)
 	if err != nil {
@ -86,6 +89,7 @@ func PutCacheSql(m Cacher, ids []PK, tableName, sql string, args interface{}) er
 	return nil
 }

+// GenSqlKey generates cache key
 func GenSqlKey(sql string, args interface{}) string {
 	return fmt.Sprintf("%v-%v", sql, args)
 }
--- a/vendor/xorm.io/core/column.go
+++ b/vendor/xorm.io/core/column.go
@ -73,7 +73,7 @@ func NewColumn(name, fieldName string, sqlType SQLType, len1, len2 int, nullable

 // String generate column description string according dialect
 func (col *Column) String(d Dialect) string {
-	sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
+	sql := d.Quote(col.Name) + " "

 	sql += d.SqlType(col) + " "

@ -101,7 +101,7 @@ func (col *Column) String(d Dialect) string {

 // StringNoPk generate column description string according dialect without primary keys
 func (col *Column) StringNoPk(d Dialect) string {
-	sql := d.QuoteStr() + col.Name + d.QuoteStr() + " "
+	sql := d.Quote(col.Name) + " "

 	sql += d.SqlType(col) + " "

--- a/vendor/xorm.io/core/db.go
+++ b/vendor/xorm.io/core/db.go
@ -15,6 +15,7 @@ import (
 )

 var (
+	// DefaultCacheSize sets the default cache size
 	DefaultCacheSize = 200
 )

@ -132,6 +133,7 @@ func (db *DB) Query(query string, args ...interface{}) (*Rows, error) {
 	return db.QueryContext(context.Background(), query, args...)
 }

+// QueryMapContext executes query with parameters via map and context
 func (db *DB) QueryMapContext(ctx context.Context, query string, mp interface{}) (*Rows, error) {
 	query, args, err := MapToSlice(query, mp)
 	if err != nil {
@ -140,6 +142,7 @@ func (db *DB) QueryMapContext(ctx context.Context, query string, mp interface{})
 	return db.QueryContext(ctx, query, args...)
 }

+// QueryMap executes query with parameters via map
 func (db *DB) QueryMap(query string, mp interface{}) (*Rows, error) {
 	return db.QueryMapContext(context.Background(), query, mp)
 }
@ -196,6 +199,7 @@ var (
 	re = regexp.MustCompile(`[?](\w+)`)
 )

+// ExecMapContext exec map with context.Context
 // insert into (name) values (?)
 // insert into (name) values (?name)
 func (db *DB) ExecMapContext(ctx context.Context, query string, mp interface{}) (sql.Result, error) {
--- a/vendor/xorm.io/core/dialect.go
+++ b/vendor/xorm.io/core/dialect.go
@ -40,9 +40,9 @@ type Dialect interface {
 	DriverName() string
 	DataSourceName() string

-	QuoteStr() string
 	IsReserved(string) bool
 	Quote(string) string
+
 	AndStr() string
 	OrStr() string
 	EqStr() string
@ -85,6 +85,7 @@ func OpenDialect(dialect Dialect) (*DB, error) {
 	return Open(dialect.DriverName(), dialect.DataSourceName())
 }

+// Base represents a basic dialect and all real dialects could embed this struct
 type Base struct {
 	db             *DB
 	dialect        Dialect
@ -172,8 +173,15 @@ func (db *Base) HasRecords(query string, args ...interface{}) (bool, error) {
 }

 func (db *Base) IsColumnExist(tableName, colName string) (bool, error) {
-	query := "SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA` = ? AND `TABLE_NAME` = ? AND `COLUMN_NAME` = ?"
-	query = strings.Replace(query, "`", db.dialect.QuoteStr(), -1)
+	query := fmt.Sprintf(
+		"SELECT %v FROM %v.%v WHERE %v = ? AND %v = ? AND %v = ?",
+		db.dialect.Quote("COLUMN_NAME"),
+		db.dialect.Quote("INFORMATION_SCHEMA"),
+		db.dialect.Quote("COLUMNS"),
+		db.dialect.Quote("TABLE_SCHEMA"),
+		db.dialect.Quote("TABLE_NAME"),
+		db.dialect.Quote("COLUMN_NAME"),
+	)
 	return db.HasRecords(query, db.DbName, tableName, colName)
 }

@ -310,7 +318,7 @@ func RegisterDialect(dbName DbType, dialectFunc func() Dialect) {
 	dialects[strings.ToLower(string(dbName))] = dialectFunc // !nashtsai! allow override dialect
 }

-// QueryDialect query if registed database dialect
+// QueryDialect query if registered database dialect
 func QueryDialect(dbName DbType) Dialect {
 	if d, ok := dialects[strings.ToLower(string(dbName))]; ok {
 		return d()
--- a/vendor/xorm.io/core/error.go
+++ b/vendor/xorm.io/core/error.go
@ -7,6 +7,8 @@ package core
 import "errors"

 var (
+	// ErrNoMapPointer represents error when no map pointer
 	ErrNoMapPointer = errors.New("mp should be a map's pointer")
+	// ErrNoStructPointer represents error when no struct pointer
 	ErrNoStructPointer = errors.New("mp should be a struct's pointer")
 )
--- a/vendor/xorm.io/core/filter.go
+++ b/vendor/xorm.io/core/filter.go
@ -19,7 +19,23 @@ type QuoteFilter struct {
 }

 func (s *QuoteFilter) Do(sql string, dialect Dialect, table *Table) string {
-	return strings.Replace(sql, "`", dialect.QuoteStr(), -1)
+	dummy := dialect.Quote("")
+	if len(dummy) != 2 {
+		return sql
+	}
+	prefix, suffix := dummy[0], dummy[1]
+	raw := []byte(sql)
+	for i, cnt := 0, 0; i < len(raw); i = i + 1 {
+		if raw[i] == '`' {
+			if cnt%2 == 0 {
+				raw[i] = prefix
+			} else {
+				raw[i] = suffix
+			}
+			cnt++
+		}
+	}
+	return string(raw)
 }

 // IdFilter filter SQL replace (id) to primary key column name
@ -35,7 +51,7 @@ func NewQuoter(dialect Dialect) *Quoter {
 }

 func (q *Quoter) Quote(content string) string {
-	return q.dialect.QuoteStr() + content + q.dialect.QuoteStr()
+	return q.dialect.Quote(content)
 }

 func (i *IdFilter) Do(sql string, dialect Dialect, table *Table) string {
--- a/vendor/xorm.io/core/go.mod
+++ b/vendor/xorm.io/core/go.mod
@ -2,6 +2,12 @@ module xorm.io/core

 require (
 	github.com/go-sql-driver/mysql v1.4.1
+	github.com/golang/protobuf v1.3.1 // indirect
 	github.com/mattn/go-sqlite3 v1.10.0
-	google.golang.org/appengine v1.4.0 // indirect
+	golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5 // indirect
+	golang.org/x/net v0.0.0-20190603091049-60506f45cf65 // indirect
+	golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed // indirect
+	golang.org/x/text v0.3.2 // indirect
+	golang.org/x/tools v0.0.0-20190606050223-4d9ae51c2468 // indirect
+	google.golang.org/appengine v1.6.0 // indirect
 )
--- a/vendor/xorm.io/core/go.sum
+++ b/vendor/xorm.io/core/go.sum
@ -1,9 +1,23 @@
 github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/mattn/go-sqlite3 v1.10.0 h1:jbhqpg7tQe4SupckyijYiy0mJJ/pRyHvXf7JdWK860o=
 github.com/mattn/go-sqlite3 v1.10.0/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190606050223-4d9ae51c2468/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
+google.golang.org/appengine v1.6.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
--- a/vendor/xorm.io/core/ilogger.go
+++ b/vendor/xorm.io/core/ilogger.go
@ -4,8 +4,10 @@

 package core

+// LogLevel defines a log level
 type LogLevel int

+// enumerate all LogLevels
 const (
 	// !nashtsai! following level also match syslog.Priority value
 	LOG_DEBUG LogLevel = iota
@ -16,7 +18,7 @@ const (
 	LOG_UNKNOWN
 )

-// logger interface
+// ILogger is a logger interface
 type ILogger interface {
 	Debug(v ...interface{})
 	Debugf(format string, v ...interface{})
--- a/vendor/xorm.io/core/index.go
+++ b/vendor/xorm.io/core/index.go
@ -9,12 +9,13 @@ import (
 	"strings"
 )

+// enumerate all index types
 const (
 	IndexType = iota + 1
 	UniqueType
 )

-// database index
+// Index represents a database index
 type Index struct {
 	IsRegular bool
 	Name      string
@ -35,7 +36,7 @@ func (index *Index) XName(tableName string) string {
 	return index.Name
 }

-// add columns which will be composite index
+// AddColumn add columns which will be composite index
 func (index *Index) AddColumn(cols ...string) {
 	for _, col := range cols {
 		index.Cols = append(index.Cols, col)
@ -65,7 +66,7 @@ func (index *Index) Equal(dst *Index) bool {
 	return true
 }

-// new an index
+// NewIndex new an index object
 func NewIndex(name string, indexType int) *Index {
 	return &Index{true, name, indexType, make([]string, 0)}
 }
--- a/vendor/xorm.io/core/mapper.go
+++ b/vendor/xorm.io/core/mapper.go
@ -9,7 +9,7 @@ import (
 	"sync"
 )

-// name translation between struct, fields names and table, column names
+// IMapper represents a name convertation between struct's fields name and table's column name
 type IMapper interface {
 	Obj2Table(string) string
 	Table2Obj(string) string
@ -184,7 +184,7 @@ func (mapper GonicMapper) Table2Obj(name string) string {
 	return string(newstr)
 }

-// A GonicMapper that contains a list of common initialisms taken from golang/lint
+// LintGonicMapper is A GonicMapper that contains a list of common initialisms taken from golang/lint
 var LintGonicMapper = GonicMapper{
 	"API":   true,
 	"ASCII": true,
@ -221,7 +221,7 @@ var LintGonicMapper = GonicMapper{
 	"XSS":   true,
 }

-// provide prefix table name support
+// PrefixMapper provides prefix table name support
 type PrefixMapper struct {
 	Mapper IMapper
 	Prefix string
@ -239,7 +239,7 @@ func NewPrefixMapper(mapper IMapper, prefix string) PrefixMapper {
 	return PrefixMapper{mapper, prefix}
 }

-// provide suffix table name support
+// SuffixMapper provides suffix table name support
 type SuffixMapper struct {
 	Mapper IMapper
 	Suffix string
--- a/vendor/xorm.io/core/rows.go
+++ b/vendor/xorm.io/core/rows.go
@ -170,7 +170,7 @@ func (rs *Rows) ScanMap(dest interface{}) error {
 	newDest := make([]interface{}, len(cols))
 	vvv := vv.Elem()

-	for i, _ := range cols {
+	for i := range cols {
 		newDest[i] = rs.db.reflectNew(vvv.Type().Elem()).Interface()
 	}

--- a/vendor/xorm.io/core/stmt.go
+++ b/vendor/xorm.io/core/stmt.go
@ -11,6 +11,7 @@ import (
 	"reflect"
 )

+// Stmt reprents a stmt objects
 type Stmt struct {
 	*sql.Stmt
 	db    *DB
--- a/vendor/xorm.io/core/table.go
+++ b/vendor/xorm.io/core/table.go
@ -9,7 +9,7 @@ import (
 	"strings"
 )

-// database table
+// Table represents a database table
 type Table struct {
 	Name          string
 	Type          reflect.Type
@ -41,6 +41,7 @@ func NewEmptyTable() *Table {
 	return NewTable("", nil)
 }

+// NewTable creates a new Table object
 func NewTable(name string, t reflect.Type) *Table {
 	return &Table{Name: name, Type: t,
 		columnsSeq:  make([]string, 0),
@ -87,7 +88,7 @@ func (table *Table) GetColumnIdx(name string, idx int) *Column {
 	return nil
 }

-// if has primary key, return column
+// PKColumns reprents all primary key columns
 func (table *Table) PKColumns() []*Column {
 	columns := make([]*Column, len(table.PrimaryKeys))
 	for i, name := range table.PrimaryKeys {
@ -117,7 +118,7 @@ func (table *Table) DeletedColumn() *Column {
 	return table.GetColumn(table.Deleted)
 }

-// add a column to table
+// AddColumn adds a column to table
 func (table *Table) AddColumn(col *Column) {
 	table.columnsSeq = append(table.columnsSeq, col.Name)
 	table.columns = append(table.columns, col)
@ -148,7 +149,7 @@ func (table *Table) AddColumn(col *Column) {
 	}
 }

-// add an index or an unique to table
+// AddIndex adds an index or an unique to table
 func (table *Table) AddIndex(index *Index) {
 	table.Indexes[index.Name] = index
 }