Fix label count (#8267)

* fix label count

* fix vendor

* fix import order

* update xorm to fix bug

* fix tests

* fix mssql bug

17 files changed, 310 insertions, 332 deletions

diff --git a/vendor/xorm.io/builder/.drone.yml b/vendor/xorm.io/builder/.drone.yml
index ca40377721..557dbf66f0 100644
--- a/vendor/xorm.io/builder/.drone.yml
+++ b/vendor/xorm.io/builder/.drone.yml
@@ -1,37 +1,90 @@
+---
+kind: pipeline
+name: go1.10
+
 workspace:
   base: /go
-  path: src/github.com/go-xorm/builder
-
-clone:
-  git:
-    image: plugins/git:next
-    depth: 50
-    tags: true
-
-matrix:
-  GO_VERSION:
-    - 1.8
-    - 1.9
-    - 1.10
-    - 1.11
-
-pipeline:
-  test:
-    image: golang:${GO_VERSION}
-    commands:
-      - go get -u github.com/golang/lint/golint
-      - go get -u github.com/stretchr/testify/assert
-      - go get -u github.com/go-xorm/sqlfiddle
-      - golint ./...
-      - go test -v -race -coverprofile=coverage.txt -covermode=atomic
-    when:
-      event: [ push, tag, pull_request ]
-
-codecov:
-    image: robertstettner/drone-codecov
-    group: build
-    secrets: [ codecov_token ]
-    files:
-      - coverage.txt
-    when:
-      event: [ push, pull_request ]
\ No newline at end of file
+  path: src/xorm.io/builder
+
+steps:
+- name: test
+  pull: default
+  image: golang:1.10
+  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
+  - golint ./...
+  - go vet
+  - go test -v -race -coverprofile=coverage.txt -covermode=atomic
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+---
+kind: pipeline
+name: go1.11
+
+steps:
+- name: test
+  pull: default
+  image: golang:1.11
+  commands:
+  - go get -u golang.org/x/lint/golint
+  - golint ./...
+  - go vet
+  - go test -v -race -coverprofile=coverage.txt -covermode=atomic
+  environment:
+    GOPROXY: https://goproxy.cn
+    GO111MODULE: "on"
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+---
+kind: pipeline
+name: go1.12
+
+steps:
+- name: test
+  pull: default
+  image: golang:1.12
+  commands:
+  - go get -u golang.org/x/lint/golint
+  - golint ./...
+  - go vet
+  - go test -v -race -coverprofile=coverage.txt -covermode=atomic
+  environment:
+    GOPROXY: https://goproxy.cn
+    GO111MODULE: "on"
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
+
+---
+kind: pipeline
+name: go1.13
+
+steps:
+- name: test
+  pull: default
+  image: golang:1.13
+  commands:
+  - go get -u golang.org/x/lint/golint
+  - golint ./...
+  - go vet
+  - go test -v -race -coverprofile=coverage.txt -covermode=atomic
+  environment:
+    GOPROXY: https://goproxy.cn
+    GO111MODULE: "on"
+  when:
+    event:
+    - push
+    - tag
+    - pull_request
\ No newline at end of file
diff --git a/vendor/xorm.io/builder/README.md b/vendor/xorm.io/builder/README.md
index cf516d1fd5..53e5403203 100644
--- a/vendor/xorm.io/builder/README.md
+++ b/vendor/xorm.io/builder/README.md
@@ -1,13 +1,13 @@
 # SQL builder
 
-[![GitCI.cn](https://gitci.cn/api/badges/go-xorm/builder/status.svg)](https://gitci.cn/go-xorm/builder)  [![codecov](https://codecov.io/gh/go-xorm/builder/branch/master/graph/badge.svg)](https://codecov.io/gh/go-xorm/builder)
-[![](https://goreportcard.com/badge/github.com/go-xorm/builder)](https://goreportcard.com/report/github.com/go-xorm/builder)
+[![Build Status](https://drone.gitea.com/api/badges/xorm/builder/status.svg)](https://drone.gitea.com/xorm/builder) [![](http://gocover.io/_badge/xorm.io/builder)](http://gocover.io/xorm.io/builder)
+[![](https://goreportcard.com/badge/xorm.io/builder)](https://goreportcard.com/report/xorm.io/builder)
 
 Package builder is a lightweight and fast SQL builder for Go and XORM.
 
 Make sure you have installed Go 1.8+ and then:
 
-    go get github.com/go-xorm/builder
+    go get xorm.io/builder
 
 # Insert
 
@@ -71,7 +71,7 @@ sql, args, err := Select("*").From("a").Where(Eq{"status": "1"}).
 * `Eq` is a redefine of a map, you can give one or more conditions to `Eq`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Eq{"a":1})
 // a=? [1]
@@ -90,7 +90,7 @@ sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
 * `Neq` is the same to `Eq`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Neq{"a":1})
 // a<>? [1]
@@ -109,7 +109,7 @@ sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
 * `Gt`, `Gte`, `Lt`, `Lte`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
 // a>? AND b>=? [1, 2]
@@ -120,7 +120,7 @@ sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
 * `Like`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Like{"a", "c"})
 // a LIKE ? [%c%]
@@ -129,7 +129,7 @@ sql, args, _ := ToSQL(Like{"a", "c"})
 * `Expr` you can customerize your sql with `Expr`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Expr("a = ? ", 1))
 // a = ? [1]
@@ -140,7 +140,7 @@ sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
 * `In` and `NotIn`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(In("a", 1, 2, 3))
 // a IN (?,?,?) [1,2,3]
@@ -153,7 +153,7 @@ sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
 * `IsNull` and `NotNull`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(IsNull{"a"})
 // a IS NULL []
@@ -164,7 +164,7 @@ sql, args, _ := ToSQL(NotNull{"b"})
 * `And(conds ...Cond)`, And can connect one or more condtions via And
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
 // a=? AND b LIKE ? AND d<>? [1, %c%, 2]
@@ -173,7 +173,7 @@ sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
 * `Or(conds ...Cond)`, Or can connect one or more conditions via Or
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
 // a=? OR b LIKE ? OR d<>? [1, %c%, 2]
@@ -184,7 +184,7 @@ sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
 * `Between`
 
 ```Go
-import . "github.com/go-xorm/builder"
+import . "xorm.io/builder"
 
 sql, args, _ := ToSQL(Between{"a", 1, 2})
 // a BETWEEN 1 AND 2
diff --git a/vendor/xorm.io/builder/builder.go b/vendor/xorm.io/builder/builder.go
index ffe86d4dcb..4f14222843 100644
--- a/vendor/xorm.io/builder/builder.go
+++ b/vendor/xorm.io/builder/builder.go
@@ -7,7 +7,6 @@ package builder
 import (
 	sql2 "database/sql"
 	"fmt"
-	"sort"
 )
 
 type optype byte
@@ -21,6 +20,7 @@ const (
 	unionType                // union
 )
 
+// all databasees
 const (
 	POSTGRES = "postgres"
 	SQLITE   = "sqlite3"
@@ -31,7 +31,7 @@ const (
 
 type join struct {
 	joinType  string
-	joinTable string
+	joinTable interface{}
 	joinCond  Cond
 }
 
@@ -60,7 +60,7 @@ type Builder struct {
 	limitation *limit
 	insertCols []string
 	insertVals []interface{}
-	updates    []Eq
+	updates    []UpdateCond
 	orderBy    string
 	groupBy    string
 	having     string
@@ -143,18 +143,6 @@ func (b *Builder) Into(tableName string) *Builder {
 	return b
 }
 
-// Join sets join table and conditions
-func (b *Builder) Join(joinType, joinTable string, joinCond interface{}) *Builder {
-	switch joinCond.(type) {
-	case Cond:
-		b.joins = append(b.joins, join{joinType, joinTable, joinCond.(Cond)})
-	case string:
-		b.joins = append(b.joins, join{joinType, joinTable, Expr(joinCond.(string))})
-	}
-
-	return b
-}
-
 // Union sets union conditions
 func (b *Builder) Union(unionTp string, unionCond *Builder) *Builder {
 	var builder *Builder
@@ -199,31 +187,6 @@ func (b *Builder) Limit(limitN int, offset ...int) *Builder {
 	return b
 }
 
-// InnerJoin sets inner join
-func (b *Builder) InnerJoin(joinTable string, joinCond interface{}) *Builder {
-	return b.Join("INNER", joinTable, joinCond)
-}
-
-// LeftJoin sets left join SQL
-func (b *Builder) LeftJoin(joinTable string, joinCond interface{}) *Builder {
-	return b.Join("LEFT", joinTable, joinCond)
-}
-
-// RightJoin sets right join SQL
-func (b *Builder) RightJoin(joinTable string, joinCond interface{}) *Builder {
-	return b.Join("RIGHT", joinTable, joinCond)
-}
-
-// CrossJoin sets cross join SQL
-func (b *Builder) CrossJoin(joinTable string, joinCond interface{}) *Builder {
-	return b.Join("CROSS", joinTable, joinCond)
-}
-
-// FullJoin sets full join SQL
-func (b *Builder) FullJoin(joinTable string, joinCond interface{}) *Builder {
-	return b.Join("FULL", joinTable, joinCond)
-}
-
 // Select sets select SQL
 func (b *Builder) Select(cols ...string) *Builder {
 	b.selects = cols
@@ -245,68 +208,12 @@ func (b *Builder) Or(cond Cond) *Builder {
 	return b
 }
 
-type insertColsSorter struct {
-	cols []string
-	vals []interface{}
-}
-
-func (s insertColsSorter) Len() int {
-	return len(s.cols)
-}
-func (s insertColsSorter) Swap(i, j int) {
-	s.cols[i], s.cols[j] = s.cols[j], s.cols[i]
-	s.vals[i], s.vals[j] = s.vals[j], s.vals[i]
-}
-
-func (s insertColsSorter) Less(i, j int) bool {
-	return s.cols[i] < s.cols[j]
-}
-
-// Insert sets insert SQL
-func (b *Builder) Insert(eq ...interface{}) *Builder {
-	if len(eq) > 0 {
-		var paramType = -1
-		for _, e := range eq {
-			switch t := e.(type) {
-			case Eq:
-				if paramType == -1 {
-					paramType = 0
-				}
-				if paramType != 0 {
-					break
-				}
-				for k, v := range t {
-					b.insertCols = append(b.insertCols, k)
-					b.insertVals = append(b.insertVals, v)
-				}
-			case string:
-				if paramType == -1 {
-					paramType = 1
-				}
-				if paramType != 1 {
-					break
-				}
-				b.insertCols = append(b.insertCols, t)
-			}
-		}
-	}
-
-	if len(b.insertCols) == len(b.insertVals) {
-		sort.Sort(insertColsSorter{
-			cols: b.insertCols,
-			vals: b.insertVals,
-		})
-	}
-	b.optype = insertType
-	return b
-}
-
 // Update sets update SQL
-func (b *Builder) Update(updates ...Eq) *Builder {
-	b.updates = make([]Eq, 0, len(updates))
+func (b *Builder) Update(updates ...Cond) *Builder {
+	b.updates = make([]UpdateCond, 0, len(updates))
 	for _, update := range updates {
-		if update.IsValid() {
-			b.updates = append(b.updates, update)
+		if u, ok := update.(UpdateCond); ok && u.IsValid() {
+			b.updates = append(b.updates, u)
 		}
 	}
 	b.optype = updateType
@@ -354,7 +261,7 @@ func (b *Builder) ToSQL() (string, []interface{}, error) {
 		}
 	}
 
-	var sql = w.writer.String()
+	var sql = w.String()
 	var err error
 
 	switch b.dialect {
@@ -383,12 +290,12 @@ func (b *Builder) ToSQL() (string, []interface{}, error) {
 	return sql, w.args, nil
 }
 
-// ToBoundSQL
+// ToBoundSQL generated a bound SQL string
 func (b *Builder) ToBoundSQL() (string, error) {
 	w := NewWriter()
 	if err := b.WriteTo(w); err != nil {
 		return "", err
 	}
 
-	return ConvertToBoundSQL(w.writer.String(), w.args)
+	return ConvertToBoundSQL(w.String(), w.args)
 }
diff --git a/vendor/xorm.io/builder/builder_insert.go b/vendor/xorm.io/builder/builder_insert.go
index 202cad51d8..9558a8acad 100644
--- a/vendor/xorm.io/builder/builder_insert.go
+++ b/vendor/xorm.io/builder/builder_insert.go
@@ -7,6 +7,7 @@ package builder
 import (
 	"bytes"
 	"fmt"
+	"sort"
 )
 
 // Insert creates an insert Builder
@@ -87,3 +88,60 @@ func (b *Builder) insertWriteTo(w Writer) error {
 
 	return nil
 }
+
+type insertColsSorter struct {
+	cols []string
+	vals []interface{}
+}
+
+func (s insertColsSorter) Len() int {
+	return len(s.cols)
+}
+
+func (s insertColsSorter) Swap(i, j int) {
+	s.cols[i], s.cols[j] = s.cols[j], s.cols[i]
+	s.vals[i], s.vals[j] = s.vals[j], s.vals[i]
+}
+
+func (s insertColsSorter) Less(i, j int) bool {
+	return s.cols[i] < s.cols[j]
+}
+
+// Insert sets insert SQL
+func (b *Builder) Insert(eq ...interface{}) *Builder {
+	if len(eq) > 0 {
+		var paramType = -1
+		for _, e := range eq {
+			switch t := e.(type) {
+			case Eq:
+				if paramType == -1 {
+					paramType = 0
+				}
+				if paramType != 0 {
+					break
+				}
+				for k, v := range t {
+					b.insertCols = append(b.insertCols, k)
+					b.insertVals = append(b.insertVals, v)
+				}
+			case string:
+				if paramType == -1 {
+					paramType = 1
+				}
+				if paramType != 1 {
+					break
+				}
+				b.insertCols = append(b.insertCols, t)
+			}
+		}
+	}
+
+	if len(b.insertCols) == len(b.insertVals) {
+		sort.Sort(insertColsSorter{
+			cols: b.insertCols,
+			vals: b.insertVals,
+		})
+	}
+	b.optype = insertType
+	return b
+}
diff --git a/vendor/xorm.io/builder/builder_join.go b/vendor/xorm.io/builder/builder_join.go
new file mode 100644
index 0000000000..a6604c5f6e
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_join.go
@@ -0,0 +1,42 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+// InnerJoin sets inner join
+func (b *Builder) InnerJoin(joinTable, joinCond interface{}) *Builder {
+	return b.Join("INNER", joinTable, joinCond)
+}
+
+// LeftJoin sets left join SQL
+func (b *Builder) LeftJoin(joinTable, joinCond interface{}) *Builder {
+	return b.Join("LEFT", joinTable, joinCond)
+}
+
+// RightJoin sets right join SQL
+func (b *Builder) RightJoin(joinTable, joinCond interface{}) *Builder {
+	return b.Join("RIGHT", joinTable, joinCond)
+}
+
+// CrossJoin sets cross join SQL
+func (b *Builder) CrossJoin(joinTable, joinCond interface{}) *Builder {
+	return b.Join("CROSS", joinTable, joinCond)
+}
+
+// FullJoin sets full join SQL
+func (b *Builder) FullJoin(joinTable, joinCond interface{}) *Builder {
+	return b.Join("FULL", joinTable, joinCond)
+}
+
+// Join sets join table and conditions
+func (b *Builder) Join(joinType string, joinTable, joinCond interface{}) *Builder {
+	switch joinCond.(type) {
+	case Cond:
+		b.joins = append(b.joins, join{joinType, joinTable, joinCond.(Cond)})
+	case string:
+		b.joins = append(b.joins, join{joinType, joinTable, Expr(joinCond.(string))})
+	}
+
+	return b
+}
diff --git a/vendor/xorm.io/builder/builder_select.go b/vendor/xorm.io/builder/builder_select.go
index c33b38698b..814d1b5afb 100644
--- a/vendor/xorm.io/builder/builder_select.go
+++ b/vendor/xorm.io/builder/builder_select.go
@@ -80,8 +80,21 @@ func (b *Builder) selectWriteTo(w Writer) error {
 	}
 
 	for _, v := range b.joins {
-		if _, err := fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable); err != nil {
-			return err
+		b, ok := v.joinTable.(*Builder)
+		if ok {
+			if _, err := fmt.Fprintf(w, " %s JOIN (", v.joinType); err != nil {
+				return err
+			}
+			if err := b.WriteTo(w); err != nil {
+				return err
+			}
+			if _, err := fmt.Fprintf(w, ") ON "); err != nil {
+				return err
+			}
+		} else {
+			if _, err := fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable); err != nil {
+				return err
+			}
 		}
 
 		if err := v.joinCond.WriteTo(w); err != nil {
diff --git a/vendor/xorm.io/builder/builder_update.go b/vendor/xorm.io/builder/builder_update.go
index 37b4551526..9b6e10bc95 100644
--- a/vendor/xorm.io/builder/builder_update.go
+++ b/vendor/xorm.io/builder/builder_update.go
@@ -8,8 +8,14 @@ import (
 	"fmt"
 )
 
+// UpdateCond defines an interface that cond could be used with update
+type UpdateCond interface {
+	IsValid() bool
+	OpWriteTo(op string, w Writer) error
+}
+
 // Update creates an update Builder
-func Update(updates ...Eq) *Builder {
+func Update(updates ...Cond) *Builder {
 	builder := &Builder{cond: NewCond()}
 	return builder.Update(updates...)
 }
@@ -27,7 +33,8 @@ func (b *Builder) updateWriteTo(w Writer) error {
 	}
 
 	for i, s := range b.updates {
-		if err := s.opWriteTo(",", w); err != nil {
+
+		if err := s.OpWriteTo(",", w); err != nil {
 			return err
 		}
 
diff --git a/vendor/xorm.io/builder/cond.go b/vendor/xorm.io/builder/cond.go
index e44173bbd5..149f5d8cf7 100644
--- a/vendor/xorm.io/builder/cond.go
+++ b/vendor/xorm.io/builder/cond.go
@@ -4,42 +4,6 @@
 
 package builder
 
-import (
-	"io"
-)
-
-// Writer defines the interface
-type Writer interface {
-	io.Writer
-	Append(...interface{})
-}
-
-var _ Writer = NewWriter()
-
-// BytesWriter implments Writer and save SQL in bytes.Buffer
-type BytesWriter struct {
-	writer *StringBuilder
-	args   []interface{}
-}
-
-// NewWriter creates a new string writer
-func NewWriter() *BytesWriter {
-	w := &BytesWriter{
-		writer: &StringBuilder{},
-	}
-	return w
-}
-
-// Write writes data to Writer
-func (s *BytesWriter) Write(buf []byte) (int, error) {
-	return s.writer.Write(buf)
-}
-
-// Append appends args to Writer
-func (s *BytesWriter) Append(args ...interface{}) {
-	s.args = append(s.args, args...)
-}
-
 // Cond defines an interface
 type Cond interface {
 	WriteTo(Writer) error
diff --git a/vendor/xorm.io/builder/cond_eq.go b/vendor/xorm.io/builder/cond_eq.go
index 79d795e6dd..32f04d5d4a 100644
--- a/vendor/xorm.io/builder/cond_eq.go
+++ b/vendor/xorm.io/builder/cond_eq.go
@@ -20,7 +20,8 @@ type Eq map[string]interface{}
 
 var _ Cond = Eq{}
 
-func (eq Eq) opWriteTo(op string, w Writer) error {
+// OpWriteTo writes conditions with special operator
+func (eq Eq) OpWriteTo(op string, w Writer) error {
 	var i = 0
 	for _, k := range eq.sortedKeys() {
 		v := eq[k]
@@ -81,7 +82,7 @@ func (eq Eq) opWriteTo(op string, w Writer) error {
 
 // WriteTo writes SQL to Writer
 func (eq Eq) WriteTo(w Writer) error {
-	return eq.opWriteTo(" AND ", w)
+	return eq.OpWriteTo(" AND ", w)
 }
 
 // And implements And with other conditions
@@ -101,7 +102,7 @@ func (eq Eq) IsValid() bool {
 
 // sortedKeys returns all keys of this Eq sorted with sort.Strings.
 // It is used internally for consistent ordering when generating
-// SQL, see https://github.com/go-xorm/builder/issues/10
+// SQL, see https://gitea.com/xorm/builder/issues/10
 func (eq Eq) sortedKeys() []string {
 	keys := make([]string, 0, len(eq))
 	for key := range eq {
diff --git a/vendor/xorm.io/builder/cond_expr.go b/vendor/xorm.io/builder/cond_expr.go
index e5ed572b15..8288aa0440 100644
--- a/vendor/xorm.io/builder/cond_expr.go
+++ b/vendor/xorm.io/builder/cond_expr.go
@@ -18,6 +18,10 @@ func Expr(sql string, args ...interface{}) Cond {
 	return expr{sql, args}
 }
 
+func (expr expr) OpWriteTo(op string, w Writer) error {
+	return expr.WriteTo(w)
+}
+
 func (expr expr) WriteTo(w Writer) error {
 	if _, err := fmt.Fprint(w, expr.sql); err != nil {
 		return err
diff --git a/vendor/xorm.io/builder/cond_neq.go b/vendor/xorm.io/builder/cond_neq.go
index 3a8f3136d9..687c59fc2e 100644
--- a/vendor/xorm.io/builder/cond_neq.go
+++ b/vendor/xorm.io/builder/cond_neq.go
@@ -83,7 +83,7 @@ func (neq Neq) IsValid() bool {
 
 // sortedKeys returns all keys of this Neq sorted with sort.Strings.
 // It is used internally for consistent ordering when generating
-// SQL, see https://github.com/go-xorm/builder/issues/10
+// SQL, see https://gitea.com/xorm/builder/issues/10
 func (neq Neq) sortedKeys() []string {
 	keys := make([]string, 0, len(neq))
 	for key := range neq {
diff --git a/vendor/xorm.io/builder/doc.go b/vendor/xorm.io/builder/doc.go
index 162b150f10..6e7dd452b8 100644
--- a/vendor/xorm.io/builder/doc.go
+++ b/vendor/xorm.io/builder/doc.go
@@ -8,13 +8,13 @@ Package builder is a simple and powerful sql builder for Go.
 
 Make sure you have installed Go 1.1+ and then:
 
-    go get github.com/go-xorm/builder
+    go get xorm.io/builder
 
 WARNNING: Currently, only query conditions are supported. Below is the supported conditions.
 
 1. Eq is a redefine of a map, you can give one or more conditions to Eq
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Eq{"a":1})
     // a=? [1]
@@ -31,7 +31,7 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 2. Neq is the same to Eq
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Neq{"a":1})
     // a<>? [1]
@@ -48,7 +48,7 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 3. Gt, Gte, Lt, Lte
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
     // a>? AND b>=? [1, 2]
@@ -57,14 +57,14 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 4. Like
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Like{"a", "c"})
     // a LIKE ? [%c%]
 
 5. Expr you can customerize your sql with Expr
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Expr("a = ? ", 1))
     // a = ? [1]
@@ -73,7 +73,7 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 6. In and NotIn
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(In("a", 1, 2, 3))
     // a IN (?,?,?) [1,2,3]
@@ -84,7 +84,7 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 7. IsNull and NotNull
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(IsNull{"a"})
     // a IS NULL []
@@ -93,14 +93,14 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 8. And(conds ...Cond), And can connect one or more condtions via AND
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
     // a=? AND b LIKE ? AND d<>? [1, %c%, 2]
 
 9. Or(conds ...Cond), Or can connect one or more conditions via Or
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
     // a=? OR b LIKE ? OR d<>? [1, %c%, 2]
@@ -109,7 +109,7 @@ WARNNING: Currently, only query conditions are supported. Below is the supported
 
 10. Between
 
-    import . "github.com/go-xorm/builder"
+    import . "xorm.io/builder"
 
     sql, args, _ := ToSQL(Between("a", 1, 2))
     // a BETWEEN 1 AND 2
diff --git a/vendor/xorm.io/builder/error.go b/vendor/xorm.io/builder/error.go
index d830ee9955..b0ded29f21 100644
--- a/vendor/xorm.io/builder/error.go
+++ b/vendor/xorm.io/builder/error.go
@@ -17,9 +17,9 @@ var (
 	ErrNeedMoreArguments = errors.New("Need more sql arguments")
 	// ErrNoTableName no table name
 	ErrNoTableName = errors.New("No table indicated")
-	// ErrNoColumnToInsert no column to update
+	// ErrNoColumnToUpdate no column to update
 	ErrNoColumnToUpdate = errors.New("No column(s) to update")
-	// ErrNoColumnToInsert no column to update
+	// ErrNoColumnToInsert no column to insert
 	ErrNoColumnToInsert = errors.New("No column(s) to insert")
 	// ErrNotSupportDialectType not supported dialect type error
 	ErrNotSupportDialectType = errors.New("Not supported dialect type")
diff --git a/vendor/xorm.io/builder/go.mod b/vendor/xorm.io/builder/go.mod
index 35e43b329f..9c730113fb 100644
--- a/vendor/xorm.io/builder/go.mod
+++ b/vendor/xorm.io/builder/go.mod
@@ -1,5 +1,7 @@
 module xorm.io/builder
 
+go 1.11
+
 require (
 	github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a
 	github.com/stretchr/testify v1.3.0
diff --git a/vendor/xorm.io/builder/sql.go b/vendor/xorm.io/builder/sql.go
index 0834242768..4250fea18d 100644
--- a/vendor/xorm.io/builder/sql.go
+++ b/vendor/xorm.io/builder/sql.go
@@ -8,6 +8,7 @@ import (
 	sql2 "database/sql"
 	"fmt"
 	"reflect"
+	"strings"
 	"time"
 )
 
@@ -20,7 +21,7 @@ func condToSQL(cond Cond) (string, []interface{}, error) {
 	if err := cond.WriteTo(w); err != nil {
 		return "", nil, err
 	}
-	return w.writer.String(), w.args, nil
+	return w.String(), w.args, nil
 }
 
 func condToBoundSQL(cond Cond) (string, error) {
@@ -32,7 +33,7 @@ func condToBoundSQL(cond Cond) (string, error) {
 	if err := cond.WriteTo(w); err != nil {
 		return "", err
 	}
-	return ConvertToBoundSQL(w.writer.String(), w.args)
+	return ConvertToBoundSQL(w.String(), w.args)
 }
 
 // ToSQL convert a builder or conditions to SQL and args
@@ -92,7 +93,7 @@ func noSQLQuoteNeeded(a interface{}) bool {
 
 // ConvertToBoundSQL will convert SQL and args to a bound SQL
 func ConvertToBoundSQL(sql string, args []interface{}) (string, error) {
-	buf := StringBuilder{}
+	buf := strings.Builder{}
 	var i, j, start int
 	for ; i < len(sql); i++ {
 		if sql[i] == '?' {
@@ -114,7 +115,10 @@ func ConvertToBoundSQL(sql string, args []interface{}) (string, error) {
 			if noSQLQuoteNeeded(arg) {
 				_, err = fmt.Fprint(&buf, arg)
 			} else {
-				_, err = fmt.Fprintf(&buf, "'%v'", arg)
+				// replace ' -> '' (standard replacement) to avoid critical SQL injection,
+				// NOTICE: may allow some injection like % (or _) in LIKE query
+				_, err = fmt.Fprintf(&buf, "'%v'", strings.Replace(fmt.Sprintf("%v", arg), "'",
+					"''", -1))
 			}
 			if err != nil {
 				return "", err
@@ -131,7 +135,7 @@ func ConvertToBoundSQL(sql string, args []interface{}) (string, error) {
 
 // ConvertPlaceholder replaces ? to $1, $2 ... or :1, :2 ... according prefix
 func ConvertPlaceholder(sql, prefix string) (string, error) {
-	buf := StringBuilder{}
+	buf := strings.Builder{}
 	var i, j, start int
 	for ; i < len(sql); i++ {
 		if sql[i] == '?' {
diff --git a/vendor/xorm.io/builder/string_builder.go b/vendor/xorm.io/builder/string_builder.go
deleted file mode 100644
index d4de8717e7..0000000000
--- a/vendor/xorm.io/builder/string_builder.go
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright 2017 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package builder
-
-import (
-	"unicode/utf8"
-	"unsafe"
-)
-
-// A StringBuilder is used to efficiently build a string using Write methods.
-// It minimizes memory copying. The zero value is ready to use.
-// Do not copy a non-zero Builder.
-type StringBuilder struct {
-	addr *StringBuilder // of receiver, to detect copies by value
-	buf  []byte
-}
-
-// noescape hides a pointer from escape analysis.  noescape is
-// the identity function but escape analysis doesn't think the
-// output depends on the input. noescape is inlined and currently
-// compiles down to zero instructions.
-// USE CAREFULLY!
-// This was copied from the runtime; see issues 23382 and 7921.
-//go:nosplit
-func noescape(p unsafe.Pointer) unsafe.Pointer {
-	x := uintptr(p)
-	return unsafe.Pointer(x ^ 0)
-}
-
-func (b *StringBuilder) copyCheck() {
-	if b.addr == nil {
-		// This hack works around a failing of Go's escape analysis
-		// that was causing b to escape and be heap allocated.
-		// See issue 23382.
-		// TODO: once issue 7921 is fixed, this should be reverted to
-		// just "b.addr = b".
-		b.addr = (*StringBuilder)(noescape(unsafe.Pointer(b)))
-	} else if b.addr != b {
-		panic("strings: illegal use of non-zero Builder copied by value")
-	}
-}
-
-// String returns the accumulated string.
-func (b *StringBuilder) String() string {
-	return *(*string)(unsafe.Pointer(&b.buf))
-}
-
-// Len returns the number of accumulated bytes; b.Len() == len(b.String()).
-func (b *StringBuilder) Len() int { return len(b.buf) }
-
-// Reset resets the Builder to be empty.
-func (b *StringBuilder) Reset() {
-	b.addr = nil
-	b.buf = nil
-}
-
-// grow copies the buffer to a new, larger buffer so that there are at least n
-// bytes of capacity beyond len(b.buf).
-func (b *StringBuilder) grow(n int) {
-	buf := make([]byte, len(b.buf), 2*cap(b.buf)+n)
-	copy(buf, b.buf)
-	b.buf = buf
-}
-
-// Grow grows b's capacity, if necessary, to guarantee space for
-// another n bytes. After Grow(n), at least n bytes can be written to b
-// without another allocation. If n is negative, Grow panics.
-func (b *StringBuilder) Grow(n int) {
-	b.copyCheck()
-	if n < 0 {
-		panic("strings.Builder.Grow: negative count")
-	}
-	if cap(b.buf)-len(b.buf) < n {
-		b.grow(n)
-	}
-}
-
-// Write appends the contents of p to b's buffer.
-// Write always returns len(p), nil.
-func (b *StringBuilder) Write(p []byte) (int, error) {
-	b.copyCheck()
-	b.buf = append(b.buf, p...)
-	return len(p), nil
-}
-
-// WriteByte appends the byte c to b's buffer.
-// The returned error is always nil.
-func (b *StringBuilder) WriteByte(c byte) error {
-	b.copyCheck()
-	b.buf = append(b.buf, c)
-	return nil
-}
-
-// WriteRune appends the UTF-8 encoding of Unicode code point r to b's buffer.
-// It returns the length of r and a nil error.
-func (b *StringBuilder) WriteRune(r rune) (int, error) {
-	b.copyCheck()
-	if r < utf8.RuneSelf {
-		b.buf = append(b.buf, byte(r))
-		return 1, nil
-	}
-	l := len(b.buf)
-	if cap(b.buf)-l < utf8.UTFMax {
-		b.grow(utf8.UTFMax)
-	}
-	n := utf8.EncodeRune(b.buf[l:l+utf8.UTFMax], r)
-	b.buf = b.buf[:l+n]
-	return n, nil
-}
-
-// WriteString appends the contents of s to b's buffer.
-// It returns the length of s and a nil error.
-func (b *StringBuilder) WriteString(s string) (int, error) {
-	b.copyCheck()
-	b.buf = append(b.buf, s...)
-	return len(s), nil
-}
diff --git a/vendor/xorm.io/builder/writer.go b/vendor/xorm.io/builder/writer.go
new file mode 100644
index 0000000000..fb4fae5c51
--- /dev/null
+++ b/vendor/xorm.io/builder/writer.go
@@ -0,0 +1,42 @@
+// Copyright 2019 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package builder
+
+import (
+	"io"
+	"strings"
+)
+
+// Writer defines the interface
+type Writer interface {
+	io.Writer
+	Append(...interface{})
+}
+
+var _ Writer = NewWriter()
+
+// BytesWriter implments Writer and save SQL in bytes.Buffer
+type BytesWriter struct {
+	*strings.Builder
+	args []interface{}
+}
+
+// NewWriter creates a new string writer
+func NewWriter() *BytesWriter {
+	w := &BytesWriter{
+		Builder: &strings.Builder{},
+	}
+	return w
+}
+
+// Append appends args to Writer
+func (w *BytesWriter) Append(args ...interface{}) {
+	w.args = append(w.args, args...)
+}
+
+// Args returns args
+func (w *BytesWriter) Args() []interface{} {
+	return w.args
+}