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-rw-r--r--vendor/xorm.io/builder/.drone.yml37
-rw-r--r--vendor/xorm.io/builder/LICENSE27
-rw-r--r--vendor/xorm.io/builder/README.md206
-rw-r--r--vendor/xorm.io/builder/builder.go394
-rw-r--r--vendor/xorm.io/builder/builder_delete.go27
-rw-r--r--vendor/xorm.io/builder/builder_insert.go89
-rw-r--r--vendor/xorm.io/builder/builder_limit.go100
-rw-r--r--vendor/xorm.io/builder/builder_select.go145
-rw-r--r--vendor/xorm.io/builder/builder_union.go47
-rw-r--r--vendor/xorm.io/builder/builder_update.go46
-rw-r--r--vendor/xorm.io/builder/cond.go74
-rw-r--r--vendor/xorm.io/builder/cond_and.go61
-rw-r--r--vendor/xorm.io/builder/cond_between.go65
-rw-r--r--vendor/xorm.io/builder/cond_compare.go160
-rw-r--r--vendor/xorm.io/builder/cond_eq.go112
-rw-r--r--vendor/xorm.io/builder/cond_expr.go39
-rw-r--r--vendor/xorm.io/builder/cond_if.go49
-rw-r--r--vendor/xorm.io/builder/cond_in.go237
-rw-r--r--vendor/xorm.io/builder/cond_like.go41
-rw-r--r--vendor/xorm.io/builder/cond_neq.go94
-rw-r--r--vendor/xorm.io/builder/cond_not.go77
-rw-r--r--vendor/xorm.io/builder/cond_notin.go234
-rw-r--r--vendor/xorm.io/builder/cond_null.go59
-rw-r--r--vendor/xorm.io/builder/cond_or.go69
-rw-r--r--vendor/xorm.io/builder/doc.go120
-rw-r--r--vendor/xorm.io/builder/error.go40
-rw-r--r--vendor/xorm.io/builder/go.mod6
-rw-r--r--vendor/xorm.io/builder/go.sum9
-rw-r--r--vendor/xorm.io/builder/sql.go156
-rw-r--r--vendor/xorm.io/builder/string_builder.go119
30 files changed, 2939 insertions, 0 deletions
diff --git a/vendor/xorm.io/builder/.drone.yml b/vendor/xorm.io/builder/.drone.yml
new file mode 100644
index 0000000000..ca40377721
--- /dev/null
+++ b/vendor/xorm.io/builder/.drone.yml
@@ -0,0 +1,37 @@
+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
diff --git a/vendor/xorm.io/builder/LICENSE b/vendor/xorm.io/builder/LICENSE
new file mode 100644
index 0000000000..614d5e2829
--- /dev/null
+++ b/vendor/xorm.io/builder/LICENSE
@@ -0,0 +1,27 @@
+Copyright (c) 2016 The Xorm Authors
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+* Neither the name of the {organization} nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/xorm.io/builder/README.md b/vendor/xorm.io/builder/README.md
new file mode 100644
index 0000000000..cf516d1fd5
--- /dev/null
+++ b/vendor/xorm.io/builder/README.md
@@ -0,0 +1,206 @@
+# 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)
+
+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
+
+# Insert
+
+```Go
+sql, args, err := builder.Insert(Eq{"c": 1, "d": 2}).Into("table1").ToSQL()
+
+// INSERT INTO table1 SELECT * FROM table2
+sql, err := builder.Insert().Into("table1").Select().From("table2").ToBoundSQL()
+
+// INSERT INTO table1 (a, b) SELECT b, c FROM table2
+sql, err = builder.Insert("a, b").Into("table1").Select("b, c").From("table2").ToBoundSQL()
+```
+
+# Select
+
+```Go
+// Simple Query
+sql, args, err := Select("c, d").From("table1").Where(Eq{"a": 1}).ToSQL()
+// With join
+sql, args, err = Select("c, d").From("table1").LeftJoin("table2", Eq{"table1.id": 1}.And(Lt{"table2.id": 3})).
+ RightJoin("table3", "table2.id = table3.tid").Where(Eq{"a": 1}).ToSQL()
+// From sub query
+sql, args, err := Select("sub.id").From(Select("c").From("table1").Where(Eq{"a": 1}), "sub").Where(Eq{"b": 1}).ToSQL()
+// From union query
+sql, args, err = Select("sub.id").From(
+ Select("id").From("table1").Where(Eq{"a": 1}).Union("all", Select("id").From("table1").Where(Eq{"a": 2})),"sub").
+ Where(Eq{"b": 1}).ToSQL()
+// With order by
+sql, args, err = Select("a", "b", "c").From("table1").Where(Eq{"f1": "v1", "f2": "v2"}).
+ OrderBy("a ASC").ToSQL()
+// With limit.
+// Be careful! You should set up specific dialect for builder before performing a query with LIMIT
+sql, args, err = Dialect(MYSQL).Select("a", "b", "c").From("table1").OrderBy("a ASC").
+ Limit(5, 10).ToSQL()
+```
+
+# Update
+
+```Go
+sql, args, err := Update(Eq{"a": 2}).From("table1").Where(Eq{"a": 1}).ToSQL()
+```
+
+# Delete
+
+```Go
+sql, args, err := Delete(Eq{"a": 1}).From("table1").ToSQL()
+```
+
+# Union
+
+```Go
+sql, args, err := Select("*").From("a").Where(Eq{"status": "1"}).
+ Union("all", Select("*").From("a").Where(Eq{"status": "2"})).
+ Union("distinct", Select("*").From("a").Where(Eq{"status": "3"})).
+ Union("", Select("*").From("a").Where(Eq{"status": "4"})).
+ ToSQL()
+```
+
+# Conditions
+
+* `Eq` is a redefine of a map, you can give one or more conditions to `Eq`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Eq{"a":1})
+// a=? [1]
+sql, args, _ := ToSQL(Eq{"b":"c"}.And(Eq{"c": 0}))
+// b=? AND c=? ["c", 0]
+sql, args, _ := ToSQL(Eq{"b":"c", "c":0})
+// b=? AND c=? ["c", 0]
+sql, args, _ := ToSQL(Eq{"b":"c"}.Or(Eq{"b":"d"}))
+// b=? OR b=? ["c", "d"]
+sql, args, _ := ToSQL(Eq{"b": []string{"c", "d"}})
+// b IN (?,?) ["c", "d"]
+sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
+// b=? AND c IN (?,?) [1, 2, 3]
+```
+
+* `Neq` is the same to `Eq`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Neq{"a":1})
+// a<>? [1]
+sql, args, _ := ToSQL(Neq{"b":"c"}.And(Neq{"c": 0}))
+// b<>? AND c<>? ["c", 0]
+sql, args, _ := ToSQL(Neq{"b":"c", "c":0})
+// b<>? AND c<>? ["c", 0]
+sql, args, _ := ToSQL(Neq{"b":"c"}.Or(Neq{"b":"d"}))
+// b<>? OR b<>? ["c", "d"]
+sql, args, _ := ToSQL(Neq{"b": []string{"c", "d"}})
+// b NOT IN (?,?) ["c", "d"]
+sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
+// b<>? AND c NOT IN (?,?) [1, 2, 3]
+```
+
+* `Gt`, `Gte`, `Lt`, `Lte`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
+// a>? AND b>=? [1, 2]
+sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
+// a<? OR b<=? [1, 2]
+```
+
+* `Like`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Like{"a", "c"})
+// a LIKE ? [%c%]
+```
+
+* `Expr` you can customerize your sql with `Expr`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Expr("a = ? ", 1))
+// a = ? [1]
+sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
+// a=(select id from table where c = ?) [1]
+```
+
+* `In` and `NotIn`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(In("a", 1, 2, 3))
+// a IN (?,?,?) [1,2,3]
+sql, args, _ := ToSQL(In("a", []int{1, 2, 3}))
+// a IN (?,?,?) [1,2,3]
+sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
+// a IN (select id from b where c = ?) [1]
+```
+
+* `IsNull` and `NotNull`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(IsNull{"a"})
+// a IS NULL []
+sql, args, _ := ToSQL(NotNull{"b"})
+ // b IS NOT NULL []
+```
+
+* `And(conds ...Cond)`, And can connect one or more condtions via And
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(And(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
+// a=? AND b LIKE ? AND d<>? [1, %c%, 2]
+```
+
+* `Or(conds ...Cond)`, Or can connect one or more conditions via Or
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
+// a=? OR b LIKE ? OR d<>? [1, %c%, 2]
+sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
+// a=? OR (b LIKE ? AND d<>?) [1, %c%, 2]
+```
+
+* `Between`
+
+```Go
+import . "github.com/go-xorm/builder"
+
+sql, args, _ := ToSQL(Between{"a", 1, 2})
+// a BETWEEN 1 AND 2
+```
+
+* Define yourself conditions
+
+Since `Cond` is an interface.
+
+```Go
+type Cond interface {
+ WriteTo(Writer) error
+ And(...Cond) Cond
+ Or(...Cond) Cond
+ IsValid() bool
+}
+```
+
+You can define yourself conditions and compose with other `Cond`. \ No newline at end of file
diff --git a/vendor/xorm.io/builder/builder.go b/vendor/xorm.io/builder/builder.go
new file mode 100644
index 0000000000..ffe86d4dcb
--- /dev/null
+++ b/vendor/xorm.io/builder/builder.go
@@ -0,0 +1,394 @@
+// Copyright 2016 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 (
+ sql2 "database/sql"
+ "fmt"
+ "sort"
+)
+
+type optype byte
+
+const (
+ condType optype = iota // only conditions
+ selectType // select
+ insertType // insert
+ updateType // update
+ deleteType // delete
+ unionType // union
+)
+
+const (
+ POSTGRES = "postgres"
+ SQLITE = "sqlite3"
+ MYSQL = "mysql"
+ MSSQL = "mssql"
+ ORACLE = "oracle"
+)
+
+type join struct {
+ joinType string
+ joinTable string
+ joinCond Cond
+}
+
+type union struct {
+ unionType string
+ builder *Builder
+}
+
+type limit struct {
+ limitN int
+ offset int
+}
+
+// Builder describes a SQL statement
+type Builder struct {
+ optype
+ dialect string
+ isNested bool
+ into string
+ from string
+ subQuery *Builder
+ cond Cond
+ selects []string
+ joins []join
+ unions []union
+ limitation *limit
+ insertCols []string
+ insertVals []interface{}
+ updates []Eq
+ orderBy string
+ groupBy string
+ having string
+}
+
+// Dialect sets the db dialect of Builder.
+func Dialect(dialect string) *Builder {
+ builder := &Builder{cond: NewCond(), dialect: dialect}
+ return builder
+}
+
+// MySQL is shortcut of Dialect(MySQL)
+func MySQL() *Builder {
+ return Dialect(MYSQL)
+}
+
+// MsSQL is shortcut of Dialect(MsSQL)
+func MsSQL() *Builder {
+ return Dialect(MSSQL)
+}
+
+// Oracle is shortcut of Dialect(Oracle)
+func Oracle() *Builder {
+ return Dialect(ORACLE)
+}
+
+// Postgres is shortcut of Dialect(Postgres)
+func Postgres() *Builder {
+ return Dialect(POSTGRES)
+}
+
+// SQLite is shortcut of Dialect(SQLITE)
+func SQLite() *Builder {
+ return Dialect(SQLITE)
+}
+
+// Where sets where SQL
+func (b *Builder) Where(cond Cond) *Builder {
+ if b.cond.IsValid() {
+ b.cond = b.cond.And(cond)
+ } else {
+ b.cond = cond
+ }
+ return b
+}
+
+// From sets from subject(can be a table name in string or a builder pointer) and its alias
+func (b *Builder) From(subject interface{}, alias ...string) *Builder {
+ switch subject.(type) {
+ case *Builder:
+ b.subQuery = subject.(*Builder)
+
+ if len(alias) > 0 {
+ b.from = alias[0]
+ } else {
+ b.isNested = true
+ }
+ case string:
+ b.from = subject.(string)
+
+ if len(alias) > 0 {
+ b.from = b.from + " " + alias[0]
+ }
+ }
+
+ return b
+}
+
+// TableName returns the table name
+func (b *Builder) TableName() string {
+ if b.optype == insertType {
+ return b.into
+ }
+ return b.from
+}
+
+// Into sets insert table name
+func (b *Builder) Into(tableName string) *Builder {
+ b.into = tableName
+ 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
+ if b.optype != unionType {
+ builder = &Builder{cond: NewCond()}
+ builder.optype = unionType
+ builder.dialect = b.dialect
+ builder.selects = b.selects
+
+ currentUnions := b.unions
+ // erase sub unions (actually append to new Builder.unions)
+ b.unions = nil
+
+ for e := range currentUnions {
+ currentUnions[e].builder.dialect = b.dialect
+ }
+
+ builder.unions = append(append(builder.unions, union{"", b}), currentUnions...)
+ } else {
+ builder = b
+ }
+
+ if unionCond != nil {
+ if unionCond.dialect == "" && builder.dialect != "" {
+ unionCond.dialect = builder.dialect
+ }
+
+ builder.unions = append(builder.unions, union{unionTp, unionCond})
+ }
+
+ return builder
+}
+
+// Limit sets limitN condition
+func (b *Builder) Limit(limitN int, offset ...int) *Builder {
+ b.limitation = &limit{limitN: limitN}
+
+ if len(offset) > 0 {
+ b.limitation.offset = offset[0]
+ }
+
+ 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
+ if b.optype == condType {
+ b.optype = selectType
+ }
+ return b
+}
+
+// And sets AND condition
+func (b *Builder) And(cond Cond) *Builder {
+ b.cond = And(b.cond, cond)
+ return b
+}
+
+// Or sets OR condition
+func (b *Builder) Or(cond Cond) *Builder {
+ b.cond = Or(b.cond, cond)
+ 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))
+ for _, update := range updates {
+ if update.IsValid() {
+ b.updates = append(b.updates, update)
+ }
+ }
+ b.optype = updateType
+ return b
+}
+
+// Delete sets delete SQL
+func (b *Builder) Delete(conds ...Cond) *Builder {
+ b.cond = b.cond.And(conds...)
+ b.optype = deleteType
+ return b
+}
+
+// WriteTo implements Writer interface
+func (b *Builder) WriteTo(w Writer) error {
+ switch b.optype {
+ /*case condType:
+ return b.cond.WriteTo(w)*/
+ case selectType:
+ return b.selectWriteTo(w)
+ case insertType:
+ return b.insertWriteTo(w)
+ case updateType:
+ return b.updateWriteTo(w)
+ case deleteType:
+ return b.deleteWriteTo(w)
+ case unionType:
+ return b.unionWriteTo(w)
+ }
+
+ return ErrNotSupportType
+}
+
+// ToSQL convert a builder to SQL and args
+func (b *Builder) ToSQL() (string, []interface{}, error) {
+ w := NewWriter()
+ if err := b.WriteTo(w); err != nil {
+ return "", nil, err
+ }
+
+ // in case of sql.NamedArg in args
+ for e := range w.args {
+ if namedArg, ok := w.args[e].(sql2.NamedArg); ok {
+ w.args[e] = namedArg.Value
+ }
+ }
+
+ var sql = w.writer.String()
+ var err error
+
+ switch b.dialect {
+ case ORACLE, MSSQL:
+ // This is for compatibility with different sql drivers
+ for e := range w.args {
+ w.args[e] = sql2.Named(fmt.Sprintf("p%d", e+1), w.args[e])
+ }
+
+ var prefix string
+ if b.dialect == ORACLE {
+ prefix = ":p"
+ } else {
+ prefix = "@p"
+ }
+
+ if sql, err = ConvertPlaceholder(sql, prefix); err != nil {
+ return "", nil, err
+ }
+ case POSTGRES:
+ if sql, err = ConvertPlaceholder(sql, "$"); err != nil {
+ return "", nil, err
+ }
+ }
+
+ return sql, w.args, nil
+}
+
+// ToBoundSQL
+func (b *Builder) ToBoundSQL() (string, error) {
+ w := NewWriter()
+ if err := b.WriteTo(w); err != nil {
+ return "", err
+ }
+
+ return ConvertToBoundSQL(w.writer.String(), w.args)
+}
diff --git a/vendor/xorm.io/builder/builder_delete.go b/vendor/xorm.io/builder/builder_delete.go
new file mode 100644
index 0000000000..317cc3ff9e
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_delete.go
@@ -0,0 +1,27 @@
+// Copyright 2016 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 (
+ "fmt"
+)
+
+// Delete creates a delete Builder
+func Delete(conds ...Cond) *Builder {
+ builder := &Builder{cond: NewCond()}
+ return builder.Delete(conds...)
+}
+
+func (b *Builder) deleteWriteTo(w Writer) error {
+ if len(b.from) <= 0 {
+ return ErrNoTableName
+ }
+
+ if _, err := fmt.Fprintf(w, "DELETE FROM %s WHERE ", b.from); err != nil {
+ return err
+ }
+
+ return b.cond.WriteTo(w)
+}
diff --git a/vendor/xorm.io/builder/builder_insert.go b/vendor/xorm.io/builder/builder_insert.go
new file mode 100644
index 0000000000..202cad51d8
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_insert.go
@@ -0,0 +1,89 @@
+// Copyright 2016 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 (
+ "bytes"
+ "fmt"
+)
+
+// Insert creates an insert Builder
+func Insert(eq ...interface{}) *Builder {
+ builder := &Builder{cond: NewCond()}
+ return builder.Insert(eq...)
+}
+
+func (b *Builder) insertSelectWriteTo(w Writer) error {
+ if _, err := fmt.Fprintf(w, "INSERT INTO %s ", b.into); err != nil {
+ return err
+ }
+
+ if len(b.insertCols) > 0 {
+ fmt.Fprintf(w, "(")
+ for _, col := range b.insertCols {
+ fmt.Fprintf(w, col)
+ }
+ fmt.Fprintf(w, ") ")
+ }
+
+ return b.selectWriteTo(w)
+}
+
+func (b *Builder) insertWriteTo(w Writer) error {
+ if len(b.into) <= 0 {
+ return ErrNoTableName
+ }
+ if len(b.insertCols) <= 0 && b.from == "" {
+ return ErrNoColumnToInsert
+ }
+
+ if b.into != "" && b.from != "" {
+ return b.insertSelectWriteTo(w)
+ }
+
+ if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.into); err != nil {
+ return err
+ }
+
+ var args = make([]interface{}, 0)
+ var bs []byte
+ var valBuffer = bytes.NewBuffer(bs)
+
+ for i, col := range b.insertCols {
+ value := b.insertVals[i]
+ fmt.Fprint(w, col)
+ if e, ok := value.(expr); ok {
+ fmt.Fprintf(valBuffer, "(%s)", e.sql)
+ args = append(args, e.args...)
+ } else {
+ fmt.Fprint(valBuffer, "?")
+ args = append(args, value)
+ }
+
+ if i != len(b.insertCols)-1 {
+ if _, err := fmt.Fprint(w, ","); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprint(valBuffer, ","); err != nil {
+ return err
+ }
+ }
+ }
+
+ if _, err := fmt.Fprint(w, ") Values ("); err != nil {
+ return err
+ }
+
+ if _, err := w.Write(valBuffer.Bytes()); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprint(w, ")"); err != nil {
+ return err
+ }
+
+ w.Append(args...)
+
+ return nil
+}
diff --git a/vendor/xorm.io/builder/builder_limit.go b/vendor/xorm.io/builder/builder_limit.go
new file mode 100644
index 0000000000..82435dacbd
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_limit.go
@@ -0,0 +1,100 @@
+// Copyright 2018 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 (
+ "fmt"
+ "strings"
+)
+
+func (b *Builder) limitWriteTo(w Writer) error {
+ if strings.TrimSpace(b.dialect) == "" {
+ return ErrDialectNotSetUp
+ }
+
+ if b.limitation != nil {
+ limit := b.limitation
+ if limit.offset < 0 || limit.limitN <= 0 {
+ return ErrInvalidLimitation
+ }
+ // erase limit condition
+ b.limitation = nil
+ ow := w.(*BytesWriter)
+
+ switch strings.ToLower(strings.TrimSpace(b.dialect)) {
+ case ORACLE:
+ if len(b.selects) == 0 {
+ b.selects = append(b.selects, "*")
+ }
+
+ var final *Builder
+ selects := b.selects
+ b.selects = append(selects, "ROWNUM RN")
+
+ var wb *Builder
+ if b.optype == unionType {
+ wb = Dialect(b.dialect).Select("at.*", "ROWNUM RN").
+ From(b, "at")
+ } else {
+ wb = b
+ }
+
+ if limit.offset == 0 {
+ final = Dialect(b.dialect).Select(selects...).From(wb, "at").
+ Where(Lte{"at.RN": limit.limitN})
+ } else {
+ sub := Dialect(b.dialect).Select("*").
+ From(b, "at").Where(Lte{"at.RN": limit.offset + limit.limitN})
+
+ final = Dialect(b.dialect).Select(selects...).From(sub, "att").
+ Where(Gt{"att.RN": limit.offset})
+ }
+
+ return final.WriteTo(ow)
+ case SQLITE, MYSQL, POSTGRES:
+ // if type UNION, we need to write previous content back to current writer
+ if b.optype == unionType {
+ if err := b.WriteTo(ow); err != nil {
+ return err
+ }
+ }
+
+ if limit.offset == 0 {
+ fmt.Fprint(ow, " LIMIT ", limit.limitN)
+ } else {
+ fmt.Fprintf(ow, " LIMIT %v OFFSET %v", limit.limitN, limit.offset)
+ }
+ case MSSQL:
+ if len(b.selects) == 0 {
+ b.selects = append(b.selects, "*")
+ }
+
+ var final *Builder
+ selects := b.selects
+ b.selects = append(append([]string{fmt.Sprintf("TOP %d %v", limit.limitN+limit.offset, b.selects[0])},
+ b.selects[1:]...), "ROW_NUMBER() OVER (ORDER BY (SELECT 1)) AS RN")
+
+ var wb *Builder
+ if b.optype == unionType {
+ wb = Dialect(b.dialect).Select("*", "ROW_NUMBER() OVER (ORDER BY (SELECT 1)) AS RN").
+ From(b, "at")
+ } else {
+ wb = b
+ }
+
+ if limit.offset == 0 {
+ final = Dialect(b.dialect).Select(selects...).From(wb, "at")
+ } else {
+ final = Dialect(b.dialect).Select(selects...).From(wb, "at").Where(Gt{"at.RN": limit.offset})
+ }
+
+ return final.WriteTo(ow)
+ default:
+ return ErrNotSupportType
+ }
+ }
+
+ return nil
+}
diff --git a/vendor/xorm.io/builder/builder_select.go b/vendor/xorm.io/builder/builder_select.go
new file mode 100644
index 0000000000..c33b38698b
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_select.go
@@ -0,0 +1,145 @@
+// Copyright 2016 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 (
+ "fmt"
+)
+
+// Select creates a select Builder
+func Select(cols ...string) *Builder {
+ builder := &Builder{cond: NewCond()}
+ return builder.Select(cols...)
+}
+
+func (b *Builder) selectWriteTo(w Writer) error {
+ if len(b.from) <= 0 && !b.isNested {
+ return ErrNoTableName
+ }
+
+ // perform limit before writing to writer when b.dialect between ORACLE and MSSQL
+ // this avoid a duplicate writing problem in simple limit query
+ if b.limitation != nil && (b.dialect == ORACLE || b.dialect == MSSQL) {
+ return b.limitWriteTo(w)
+ }
+
+ if _, err := fmt.Fprint(w, "SELECT "); err != nil {
+ return err
+ }
+ if len(b.selects) > 0 {
+ for i, s := range b.selects {
+ if _, err := fmt.Fprint(w, s); err != nil {
+ return err
+ }
+ if i != len(b.selects)-1 {
+ if _, err := fmt.Fprint(w, ","); err != nil {
+ return err
+ }
+ }
+ }
+ } else {
+ if _, err := fmt.Fprint(w, "*"); err != nil {
+ return err
+ }
+ }
+
+ if b.subQuery == nil {
+ if _, err := fmt.Fprint(w, " FROM ", b.from); err != nil {
+ return err
+ }
+ } else {
+ if b.cond.IsValid() && len(b.from) <= 0 {
+ return ErrUnnamedDerivedTable
+ }
+ if b.subQuery.dialect != "" && b.dialect != b.subQuery.dialect {
+ return ErrInconsistentDialect
+ }
+
+ // dialect of sub-query will inherit from the main one (if not set up)
+ if b.dialect != "" && b.subQuery.dialect == "" {
+ b.subQuery.dialect = b.dialect
+ }
+
+ switch b.subQuery.optype {
+ case selectType, unionType:
+ fmt.Fprint(w, " FROM (")
+ if err := b.subQuery.WriteTo(w); err != nil {
+ return err
+ }
+
+ if len(b.from) == 0 {
+ fmt.Fprintf(w, ")")
+ } else {
+ fmt.Fprintf(w, ") %v", b.from)
+ }
+ default:
+ return ErrUnexpectedSubQuery
+ }
+ }
+
+ for _, v := range b.joins {
+ 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 {
+ return err
+ }
+ }
+
+ if b.cond.IsValid() {
+ if _, err := fmt.Fprint(w, " WHERE "); err != nil {
+ return err
+ }
+
+ if err := b.cond.WriteTo(w); err != nil {
+ return err
+ }
+ }
+
+ if len(b.groupBy) > 0 {
+ if _, err := fmt.Fprint(w, " GROUP BY ", b.groupBy); err != nil {
+ return err
+ }
+ }
+
+ if len(b.having) > 0 {
+ if _, err := fmt.Fprint(w, " HAVING ", b.having); err != nil {
+ return err
+ }
+ }
+
+ if len(b.orderBy) > 0 {
+ if _, err := fmt.Fprint(w, " ORDER BY ", b.orderBy); err != nil {
+ return err
+ }
+ }
+
+ if b.limitation != nil {
+ if err := b.limitWriteTo(w); err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
+
+// OrderBy orderBy SQL
+func (b *Builder) OrderBy(orderBy string) *Builder {
+ b.orderBy = orderBy
+ return b
+}
+
+// GroupBy groupby SQL
+func (b *Builder) GroupBy(groupby string) *Builder {
+ b.groupBy = groupby
+ return b
+}
+
+// Having having SQL
+func (b *Builder) Having(having string) *Builder {
+ b.having = having
+ return b
+}
diff --git a/vendor/xorm.io/builder/builder_union.go b/vendor/xorm.io/builder/builder_union.go
new file mode 100644
index 0000000000..4ba9216178
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_union.go
@@ -0,0 +1,47 @@
+// Copyright 2018 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 (
+ "fmt"
+ "strings"
+)
+
+func (b *Builder) unionWriteTo(w Writer) error {
+ if b.limitation != nil || b.cond.IsValid() ||
+ b.orderBy != "" || b.having != "" || b.groupBy != "" {
+ return ErrNotUnexpectedUnionConditions
+ }
+
+ for idx, u := range b.unions {
+ current := u.builder
+ if current.optype != selectType {
+ return ErrUnsupportedUnionMembers
+ }
+
+ if len(b.unions) == 1 {
+ if err := current.selectWriteTo(w); err != nil {
+ return err
+ }
+ } else {
+ if b.dialect != "" && b.dialect != current.dialect {
+ return ErrInconsistentDialect
+ }
+
+ if idx != 0 {
+ fmt.Fprint(w, fmt.Sprintf(" UNION %v ", strings.ToUpper(u.unionType)))
+ }
+ fmt.Fprint(w, "(")
+
+ if err := current.selectWriteTo(w); err != nil {
+ return err
+ }
+
+ fmt.Fprint(w, ")")
+ }
+ }
+
+ return nil
+}
diff --git a/vendor/xorm.io/builder/builder_update.go b/vendor/xorm.io/builder/builder_update.go
new file mode 100644
index 0000000000..37b4551526
--- /dev/null
+++ b/vendor/xorm.io/builder/builder_update.go
@@ -0,0 +1,46 @@
+// Copyright 2016 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 (
+ "fmt"
+)
+
+// Update creates an update Builder
+func Update(updates ...Eq) *Builder {
+ builder := &Builder{cond: NewCond()}
+ return builder.Update(updates...)
+}
+
+func (b *Builder) updateWriteTo(w Writer) error {
+ if len(b.from) <= 0 {
+ return ErrNoTableName
+ }
+ if len(b.updates) <= 0 {
+ return ErrNoColumnToUpdate
+ }
+
+ if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.from); err != nil {
+ return err
+ }
+
+ for i, s := range b.updates {
+ if err := s.opWriteTo(",", w); err != nil {
+ return err
+ }
+
+ if i != len(b.updates)-1 {
+ if _, err := fmt.Fprint(w, ","); err != nil {
+ return err
+ }
+ }
+ }
+
+ if _, err := fmt.Fprint(w, " WHERE "); err != nil {
+ return err
+ }
+
+ return b.cond.WriteTo(w)
+}
diff --git a/vendor/xorm.io/builder/cond.go b/vendor/xorm.io/builder/cond.go
new file mode 100644
index 0000000000..e44173bbd5
--- /dev/null
+++ b/vendor/xorm.io/builder/cond.go
@@ -0,0 +1,74 @@
+// Copyright 2016 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"
+)
+
+// 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
+ And(...Cond) Cond
+ Or(...Cond) Cond
+ IsValid() bool
+}
+
+type condEmpty struct{}
+
+var _ Cond = condEmpty{}
+
+// NewCond creates an empty condition
+func NewCond() Cond {
+ return condEmpty{}
+}
+
+func (condEmpty) WriteTo(w Writer) error {
+ return nil
+}
+
+func (condEmpty) And(conds ...Cond) Cond {
+ return And(conds...)
+}
+
+func (condEmpty) Or(conds ...Cond) Cond {
+ return Or(conds...)
+}
+
+func (condEmpty) IsValid() bool {
+ return false
+}
diff --git a/vendor/xorm.io/builder/cond_and.go b/vendor/xorm.io/builder/cond_and.go
new file mode 100644
index 0000000000..e30bd186cd
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_and.go
@@ -0,0 +1,61 @@
+// Copyright 2016 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 "fmt"
+
+type condAnd []Cond
+
+var _ Cond = condAnd{}
+
+// And generates AND conditions
+func And(conds ...Cond) Cond {
+ var result = make(condAnd, 0, len(conds))
+ for _, cond := range conds {
+ if cond == nil || !cond.IsValid() {
+ continue
+ }
+ result = append(result, cond)
+ }
+ return result
+}
+
+func (and condAnd) WriteTo(w Writer) error {
+ for i, cond := range and {
+ _, isOr := cond.(condOr)
+ _, isExpr := cond.(expr)
+ wrap := isOr || isExpr
+ if wrap {
+ fmt.Fprint(w, "(")
+ }
+
+ err := cond.WriteTo(w)
+ if err != nil {
+ return err
+ }
+
+ if wrap {
+ fmt.Fprint(w, ")")
+ }
+
+ if i != len(and)-1 {
+ fmt.Fprint(w, " AND ")
+ }
+ }
+
+ return nil
+}
+
+func (and condAnd) And(conds ...Cond) Cond {
+ return And(and, And(conds...))
+}
+
+func (and condAnd) Or(conds ...Cond) Cond {
+ return Or(and, Or(conds...))
+}
+
+func (and condAnd) IsValid() bool {
+ return len(and) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_between.go b/vendor/xorm.io/builder/cond_between.go
new file mode 100644
index 0000000000..10e0b83152
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_between.go
@@ -0,0 +1,65 @@
+// Copyright 2016 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 "fmt"
+
+// Between implmentes between condition
+type Between struct {
+ Col string
+ LessVal interface{}
+ MoreVal interface{}
+}
+
+var _ Cond = Between{}
+
+// WriteTo write data to Writer
+func (between Between) WriteTo(w Writer) error {
+ if _, err := fmt.Fprintf(w, "%s BETWEEN ", between.Col); err != nil {
+ return err
+ }
+ if lv, ok := between.LessVal.(expr); ok {
+ if err := lv.WriteTo(w); err != nil {
+ return err
+ }
+ } else {
+ if _, err := fmt.Fprint(w, "?"); err != nil {
+ return err
+ }
+ w.Append(between.LessVal)
+ }
+
+ if _, err := fmt.Fprint(w, " AND "); err != nil {
+ return err
+ }
+
+ if mv, ok := between.MoreVal.(expr); ok {
+ if err := mv.WriteTo(w); err != nil {
+ return err
+ }
+ } else {
+ if _, err := fmt.Fprint(w, "?"); err != nil {
+ return err
+ }
+ w.Append(between.MoreVal)
+ }
+
+ return nil
+}
+
+// And implments And with other conditions
+func (between Between) And(conds ...Cond) Cond {
+ return And(between, And(conds...))
+}
+
+// Or implments Or with other conditions
+func (between Between) Or(conds ...Cond) Cond {
+ return Or(between, Or(conds...))
+}
+
+// IsValid tests if the condition is valid
+func (between Between) IsValid() bool {
+ return len(between.Col) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_compare.go b/vendor/xorm.io/builder/cond_compare.go
new file mode 100644
index 0000000000..1c293719c0
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_compare.go
@@ -0,0 +1,160 @@
+// Copyright 2016 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 "fmt"
+
+// WriteMap writes conditions' SQL to Writer, op could be =, <>, >, <, <=, >= and etc.
+func WriteMap(w Writer, data map[string]interface{}, op string) error {
+ var args = make([]interface{}, 0, len(data))
+ var i = 0
+ keys := make([]string, 0, len(data))
+ for k := range data {
+ keys = append(keys, k)
+ }
+
+ for _, k := range keys {
+ v := data[k]
+ switch v.(type) {
+ case expr:
+ if _, err := fmt.Fprintf(w, "%s%s(", k, op); err != nil {
+ return err
+ }
+
+ if err := v.(expr).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case *Builder:
+ if _, err := fmt.Fprintf(w, "%s%s(", k, op); err != nil {
+ return err
+ }
+
+ if err := v.(*Builder).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ default:
+ if _, err := fmt.Fprintf(w, "%s%s?", k, op); err != nil {
+ return err
+ }
+ args = append(args, v)
+ }
+ if i != len(data)-1 {
+ if _, err := fmt.Fprint(w, " AND "); err != nil {
+ return err
+ }
+ }
+ i = i + 1
+ }
+ w.Append(args...)
+ return nil
+}
+
+// Lt defines < condition
+type Lt map[string]interface{}
+
+var _ Cond = Lt{}
+
+// WriteTo write SQL to Writer
+func (lt Lt) WriteTo(w Writer) error {
+ return WriteMap(w, lt, "<")
+}
+
+// And implements And with other conditions
+func (lt Lt) And(conds ...Cond) Cond {
+ return condAnd{lt, And(conds...)}
+}
+
+// Or implements Or with other conditions
+func (lt Lt) Or(conds ...Cond) Cond {
+ return condOr{lt, Or(conds...)}
+}
+
+// IsValid tests if this Eq is valid
+func (lt Lt) IsValid() bool {
+ return len(lt) > 0
+}
+
+// Lte defines <= condition
+type Lte map[string]interface{}
+
+var _ Cond = Lte{}
+
+// WriteTo write SQL to Writer
+func (lte Lte) WriteTo(w Writer) error {
+ return WriteMap(w, lte, "<=")
+}
+
+// And implements And with other conditions
+func (lte Lte) And(conds ...Cond) Cond {
+ return And(lte, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (lte Lte) Or(conds ...Cond) Cond {
+ return Or(lte, Or(conds...))
+}
+
+// IsValid tests if this Eq is valid
+func (lte Lte) IsValid() bool {
+ return len(lte) > 0
+}
+
+// Gt defines > condition
+type Gt map[string]interface{}
+
+var _ Cond = Gt{}
+
+// WriteTo write SQL to Writer
+func (gt Gt) WriteTo(w Writer) error {
+ return WriteMap(w, gt, ">")
+}
+
+// And implements And with other conditions
+func (gt Gt) And(conds ...Cond) Cond {
+ return And(gt, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (gt Gt) Or(conds ...Cond) Cond {
+ return Or(gt, Or(conds...))
+}
+
+// IsValid tests if this Eq is valid
+func (gt Gt) IsValid() bool {
+ return len(gt) > 0
+}
+
+// Gte defines >= condition
+type Gte map[string]interface{}
+
+var _ Cond = Gte{}
+
+// WriteTo write SQL to Writer
+func (gte Gte) WriteTo(w Writer) error {
+ return WriteMap(w, gte, ">=")
+}
+
+// And implements And with other conditions
+func (gte Gte) And(conds ...Cond) Cond {
+ return And(gte, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (gte Gte) Or(conds ...Cond) Cond {
+ return Or(gte, Or(conds...))
+}
+
+// IsValid tests if this Eq is valid
+func (gte Gte) IsValid() bool {
+ return len(gte) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_eq.go b/vendor/xorm.io/builder/cond_eq.go
new file mode 100644
index 0000000000..79d795e6dd
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_eq.go
@@ -0,0 +1,112 @@
+// Copyright 2016 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 (
+ "fmt"
+ "sort"
+)
+
+// Incr implements a type used by Eq
+type Incr int
+
+// Decr implements a type used by Eq
+type Decr int
+
+// Eq defines equals conditions
+type Eq map[string]interface{}
+
+var _ Cond = Eq{}
+
+func (eq Eq) opWriteTo(op string, w Writer) error {
+ var i = 0
+ for _, k := range eq.sortedKeys() {
+ v := eq[k]
+ switch v.(type) {
+ case []int, []int64, []string, []int32, []int16, []int8, []uint, []uint64, []uint32, []uint16, []interface{}:
+ if err := In(k, v).WriteTo(w); err != nil {
+ return err
+ }
+ case expr:
+ if _, err := fmt.Fprintf(w, "%s=(", k); err != nil {
+ return err
+ }
+
+ if err := v.(expr).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case *Builder:
+ if _, err := fmt.Fprintf(w, "%s=(", k); err != nil {
+ return err
+ }
+
+ if err := v.(*Builder).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case Incr:
+ if _, err := fmt.Fprintf(w, "%s=%s+?", k, k); err != nil {
+ return err
+ }
+ w.Append(int(v.(Incr)))
+ case Decr:
+ if _, err := fmt.Fprintf(w, "%s=%s-?", k, k); err != nil {
+ return err
+ }
+ w.Append(int(v.(Decr)))
+ default:
+ if _, err := fmt.Fprintf(w, "%s=?", k); err != nil {
+ return err
+ }
+ w.Append(v)
+ }
+ if i != len(eq)-1 {
+ if _, err := fmt.Fprint(w, op); err != nil {
+ return err
+ }
+ }
+ i = i + 1
+ }
+ return nil
+}
+
+// WriteTo writes SQL to Writer
+func (eq Eq) WriteTo(w Writer) error {
+ return eq.opWriteTo(" AND ", w)
+}
+
+// And implements And with other conditions
+func (eq Eq) And(conds ...Cond) Cond {
+ return And(eq, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (eq Eq) Or(conds ...Cond) Cond {
+ return Or(eq, Or(conds...))
+}
+
+// IsValid tests if this Eq is valid
+func (eq Eq) IsValid() bool {
+ return len(eq) > 0
+}
+
+// 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
+func (eq Eq) sortedKeys() []string {
+ keys := make([]string, 0, len(eq))
+ for key := range eq {
+ keys = append(keys, key)
+ }
+ sort.Strings(keys)
+ return keys
+}
diff --git a/vendor/xorm.io/builder/cond_expr.go b/vendor/xorm.io/builder/cond_expr.go
new file mode 100644
index 0000000000..e5ed572b15
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_expr.go
@@ -0,0 +1,39 @@
+// Copyright 2016 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 "fmt"
+
+type expr struct {
+ sql string
+ args []interface{}
+}
+
+var _ Cond = expr{}
+
+// Expr generate customerize SQL
+func Expr(sql string, args ...interface{}) Cond {
+ return expr{sql, args}
+}
+
+func (expr expr) WriteTo(w Writer) error {
+ if _, err := fmt.Fprint(w, expr.sql); err != nil {
+ return err
+ }
+ w.Append(expr.args...)
+ return nil
+}
+
+func (expr expr) And(conds ...Cond) Cond {
+ return And(expr, And(conds...))
+}
+
+func (expr expr) Or(conds ...Cond) Cond {
+ return Or(expr, Or(conds...))
+}
+
+func (expr expr) IsValid() bool {
+ return len(expr.sql) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_if.go b/vendor/xorm.io/builder/cond_if.go
new file mode 100644
index 0000000000..af9eb321fd
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_if.go
@@ -0,0 +1,49 @@
+// 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
+
+type condIf struct {
+ condition bool
+ condTrue Cond
+ condFalse Cond
+}
+
+var _ Cond = condIf{}
+
+// If returns Cond via condition
+func If(condition bool, condTrue Cond, condFalse ...Cond) Cond {
+ var c = condIf{
+ condition: condition,
+ condTrue: condTrue,
+ }
+ if len(condFalse) > 0 {
+ c.condFalse = condFalse[0]
+ }
+ return c
+}
+
+func (condIf condIf) WriteTo(w Writer) error {
+ if condIf.condition {
+ return condIf.condTrue.WriteTo(w)
+ } else if condIf.condFalse != nil {
+ return condIf.condFalse.WriteTo(w)
+ }
+ return nil
+}
+
+func (condIf condIf) And(conds ...Cond) Cond {
+ return And(condIf, And(conds...))
+}
+
+func (condIf condIf) Or(conds ...Cond) Cond {
+ return Or(condIf, Or(conds...))
+}
+
+func (condIf condIf) IsValid() bool {
+ if condIf.condition {
+ return condIf.condTrue != nil
+ }
+ return condIf.condFalse != nil
+}
diff --git a/vendor/xorm.io/builder/cond_in.go b/vendor/xorm.io/builder/cond_in.go
new file mode 100644
index 0000000000..f6366d35c2
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_in.go
@@ -0,0 +1,237 @@
+// Copyright 2016 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 (
+ "fmt"
+ "reflect"
+ "strings"
+)
+
+type condIn struct {
+ col string
+ vals []interface{}
+}
+
+var _ Cond = condIn{}
+
+// In generates IN condition
+func In(col string, values ...interface{}) Cond {
+ return condIn{col, values}
+}
+
+func (condIn condIn) handleBlank(w Writer) error {
+ _, err := fmt.Fprint(w, "0=1")
+ return err
+}
+
+func (condIn condIn) WriteTo(w Writer) error {
+ if len(condIn.vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+
+ switch condIn.vals[0].(type) {
+ case []int8:
+ vals := condIn.vals[0].([]int8)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int16:
+ vals := condIn.vals[0].([]int16)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int:
+ vals := condIn.vals[0].([]int)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int32:
+ vals := condIn.vals[0].([]int32)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int64:
+ vals := condIn.vals[0].([]int64)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint8:
+ vals := condIn.vals[0].([]uint8)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint16:
+ vals := condIn.vals[0].([]uint16)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint:
+ vals := condIn.vals[0].([]uint)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint32:
+ vals := condIn.vals[0].([]uint32)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint64:
+ vals := condIn.vals[0].([]uint64)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []string:
+ vals := condIn.vals[0].([]string)
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []interface{}:
+ vals := condIn.vals[0].([]interface{})
+ if len(vals) <= 0 {
+ return condIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ w.Append(vals...)
+ case expr:
+ val := condIn.vals[0].(expr)
+ if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
+ return err
+ }
+ if err := val.WriteTo(w); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case *Builder:
+ bd := condIn.vals[0].(*Builder)
+ if _, err := fmt.Fprintf(w, "%s IN (", condIn.col); err != nil {
+ return err
+ }
+ if err := bd.WriteTo(w); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ default:
+ v := reflect.ValueOf(condIn.vals[0])
+ if v.Kind() == reflect.Slice {
+ l := v.Len()
+ if l == 0 {
+ return condIn.handleBlank(w)
+ }
+
+ questionMark := strings.Repeat("?,", l)
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+
+ for i := 0; i < l; i++ {
+ w.Append(v.Index(i).Interface())
+ }
+ } else {
+ questionMark := strings.Repeat("?,", len(condIn.vals))
+ if _, err := fmt.Fprintf(w, "%s IN (%s)", condIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ w.Append(condIn.vals...)
+ }
+ }
+ return nil
+}
+
+func (condIn condIn) And(conds ...Cond) Cond {
+ return And(condIn, And(conds...))
+}
+
+func (condIn condIn) Or(conds ...Cond) Cond {
+ return Or(condIn, Or(conds...))
+}
+
+func (condIn condIn) IsValid() bool {
+ return len(condIn.col) > 0 && len(condIn.vals) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_like.go b/vendor/xorm.io/builder/cond_like.go
new file mode 100644
index 0000000000..e34202f8b0
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_like.go
@@ -0,0 +1,41 @@
+// Copyright 2016 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 "fmt"
+
+// Like defines like condition
+type Like [2]string
+
+var _ Cond = Like{"", ""}
+
+// WriteTo write SQL to Writer
+func (like Like) WriteTo(w Writer) error {
+ if _, err := fmt.Fprintf(w, "%s LIKE ?", like[0]); err != nil {
+ return err
+ }
+ // FIXME: if use other regular express, this will be failed. but for compatible, keep this
+ if like[1][0] == '%' || like[1][len(like[1])-1] == '%' {
+ w.Append(like[1])
+ } else {
+ w.Append("%" + like[1] + "%")
+ }
+ return nil
+}
+
+// And implements And with other conditions
+func (like Like) And(conds ...Cond) Cond {
+ return And(like, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (like Like) Or(conds ...Cond) Cond {
+ return Or(like, Or(conds...))
+}
+
+// IsValid tests if this condition is valid
+func (like Like) IsValid() bool {
+ return len(like[0]) > 0 && len(like[1]) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_neq.go b/vendor/xorm.io/builder/cond_neq.go
new file mode 100644
index 0000000000..3a8f3136d9
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_neq.go
@@ -0,0 +1,94 @@
+// Copyright 2016 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 (
+ "fmt"
+ "sort"
+)
+
+// Neq defines not equal conditions
+type Neq map[string]interface{}
+
+var _ Cond = Neq{}
+
+// WriteTo writes SQL to Writer
+func (neq Neq) WriteTo(w Writer) error {
+ var args = make([]interface{}, 0, len(neq))
+ var i = 0
+ for _, k := range neq.sortedKeys() {
+ v := neq[k]
+ switch v.(type) {
+ case []int, []int64, []string, []int32, []int16, []int8:
+ if err := NotIn(k, v).WriteTo(w); err != nil {
+ return err
+ }
+ case expr:
+ if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
+ return err
+ }
+
+ if err := v.(expr).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case *Builder:
+ if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
+ return err
+ }
+
+ if err := v.(*Builder).WriteTo(w); err != nil {
+ return err
+ }
+
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ default:
+ if _, err := fmt.Fprintf(w, "%s<>?", k); err != nil {
+ return err
+ }
+ args = append(args, v)
+ }
+ if i != len(neq)-1 {
+ if _, err := fmt.Fprint(w, " AND "); err != nil {
+ return err
+ }
+ }
+ i = i + 1
+ }
+ w.Append(args...)
+ return nil
+}
+
+// And implements And with other conditions
+func (neq Neq) And(conds ...Cond) Cond {
+ return And(neq, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (neq Neq) Or(conds ...Cond) Cond {
+ return Or(neq, Or(conds...))
+}
+
+// IsValid tests if this condition is valid
+func (neq Neq) IsValid() bool {
+ return len(neq) > 0
+}
+
+// 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
+func (neq Neq) sortedKeys() []string {
+ keys := make([]string, 0, len(neq))
+ for key := range neq {
+ keys = append(keys, key)
+ }
+ sort.Strings(keys)
+ return keys
+}
diff --git a/vendor/xorm.io/builder/cond_not.go b/vendor/xorm.io/builder/cond_not.go
new file mode 100644
index 0000000000..667dfe7293
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_not.go
@@ -0,0 +1,77 @@
+// Copyright 2016 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 "fmt"
+
+// Not defines NOT condition
+type Not [1]Cond
+
+var _ Cond = Not{}
+
+// WriteTo writes SQL to Writer
+func (not Not) WriteTo(w Writer) error {
+ if _, err := fmt.Fprint(w, "NOT "); err != nil {
+ return err
+ }
+ switch not[0].(type) {
+ case condAnd, condOr:
+ if _, err := fmt.Fprint(w, "("); err != nil {
+ return err
+ }
+ case Eq:
+ if len(not[0].(Eq)) > 1 {
+ if _, err := fmt.Fprint(w, "("); err != nil {
+ return err
+ }
+ }
+ case Neq:
+ if len(not[0].(Neq)) > 1 {
+ if _, err := fmt.Fprint(w, "("); err != nil {
+ return err
+ }
+ }
+ }
+
+ if err := not[0].WriteTo(w); err != nil {
+ return err
+ }
+
+ switch not[0].(type) {
+ case condAnd, condOr:
+ if _, err := fmt.Fprint(w, ")"); err != nil {
+ return err
+ }
+ case Eq:
+ if len(not[0].(Eq)) > 1 {
+ if _, err := fmt.Fprint(w, ")"); err != nil {
+ return err
+ }
+ }
+ case Neq:
+ if len(not[0].(Neq)) > 1 {
+ if _, err := fmt.Fprint(w, ")"); err != nil {
+ return err
+ }
+ }
+ }
+
+ return nil
+}
+
+// And implements And with other conditions
+func (not Not) And(conds ...Cond) Cond {
+ return And(not, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (not Not) Or(conds ...Cond) Cond {
+ return Or(not, Or(conds...))
+}
+
+// IsValid tests if this condition is valid
+func (not Not) IsValid() bool {
+ return not[0] != nil && not[0].IsValid()
+}
diff --git a/vendor/xorm.io/builder/cond_notin.go b/vendor/xorm.io/builder/cond_notin.go
new file mode 100644
index 0000000000..dc3ac49a35
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_notin.go
@@ -0,0 +1,234 @@
+// Copyright 2016 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 (
+ "fmt"
+ "reflect"
+ "strings"
+)
+
+type condNotIn condIn
+
+var _ Cond = condNotIn{}
+
+// NotIn generate NOT IN condition
+func NotIn(col string, values ...interface{}) Cond {
+ return condNotIn{col, values}
+}
+
+func (condNotIn condNotIn) handleBlank(w Writer) error {
+ _, err := fmt.Fprint(w, "0=0")
+ return err
+}
+
+func (condNotIn condNotIn) WriteTo(w Writer) error {
+ if len(condNotIn.vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+
+ switch condNotIn.vals[0].(type) {
+ case []int8:
+ vals := condNotIn.vals[0].([]int8)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int16:
+ vals := condNotIn.vals[0].([]int16)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int:
+ vals := condNotIn.vals[0].([]int)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int32:
+ vals := condNotIn.vals[0].([]int32)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []int64:
+ vals := condNotIn.vals[0].([]int64)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint8:
+ vals := condNotIn.vals[0].([]uint8)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint16:
+ vals := condNotIn.vals[0].([]uint16)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint:
+ vals := condNotIn.vals[0].([]uint)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint32:
+ vals := condNotIn.vals[0].([]uint32)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []uint64:
+ vals := condNotIn.vals[0].([]uint64)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []string:
+ vals := condNotIn.vals[0].([]string)
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ for _, val := range vals {
+ w.Append(val)
+ }
+ case []interface{}:
+ vals := condNotIn.vals[0].([]interface{})
+ if len(vals) <= 0 {
+ return condNotIn.handleBlank(w)
+ }
+ questionMark := strings.Repeat("?,", len(vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ w.Append(vals...)
+ case expr:
+ val := condNotIn.vals[0].(expr)
+ if _, err := fmt.Fprintf(w, "%s NOT IN (", condNotIn.col); err != nil {
+ return err
+ }
+ if err := val.WriteTo(w); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ case *Builder:
+ val := condNotIn.vals[0].(*Builder)
+ if _, err := fmt.Fprintf(w, "%s NOT IN (", condNotIn.col); err != nil {
+ return err
+ }
+ if err := val.WriteTo(w); err != nil {
+ return err
+ }
+ if _, err := fmt.Fprintf(w, ")"); err != nil {
+ return err
+ }
+ default:
+ v := reflect.ValueOf(condNotIn.vals[0])
+ if v.Kind() == reflect.Slice {
+ l := v.Len()
+ if l == 0 {
+ return condNotIn.handleBlank(w)
+ }
+
+ questionMark := strings.Repeat("?,", l)
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+
+ for i := 0; i < l; i++ {
+ w.Append(v.Index(i).Interface())
+ }
+ } else {
+ questionMark := strings.Repeat("?,", len(condNotIn.vals))
+ if _, err := fmt.Fprintf(w, "%s NOT IN (%s)", condNotIn.col, questionMark[:len(questionMark)-1]); err != nil {
+ return err
+ }
+ w.Append(condNotIn.vals...)
+ }
+ }
+ return nil
+}
+
+func (condNotIn condNotIn) And(conds ...Cond) Cond {
+ return And(condNotIn, And(conds...))
+}
+
+func (condNotIn condNotIn) Or(conds ...Cond) Cond {
+ return Or(condNotIn, Or(conds...))
+}
+
+func (condNotIn condNotIn) IsValid() bool {
+ return len(condNotIn.col) > 0 && len(condNotIn.vals) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_null.go b/vendor/xorm.io/builder/cond_null.go
new file mode 100644
index 0000000000..bf2aaf8518
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_null.go
@@ -0,0 +1,59 @@
+// Copyright 2016 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 "fmt"
+
+// IsNull defines IS NULL condition
+type IsNull [1]string
+
+var _ Cond = IsNull{""}
+
+// WriteTo write SQL to Writer
+func (isNull IsNull) WriteTo(w Writer) error {
+ _, err := fmt.Fprintf(w, "%s IS NULL", isNull[0])
+ return err
+}
+
+// And implements And with other conditions
+func (isNull IsNull) And(conds ...Cond) Cond {
+ return And(isNull, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (isNull IsNull) Or(conds ...Cond) Cond {
+ return Or(isNull, Or(conds...))
+}
+
+// IsValid tests if this condition is valid
+func (isNull IsNull) IsValid() bool {
+ return len(isNull[0]) > 0
+}
+
+// NotNull defines NOT NULL condition
+type NotNull [1]string
+
+var _ Cond = NotNull{""}
+
+// WriteTo write SQL to Writer
+func (notNull NotNull) WriteTo(w Writer) error {
+ _, err := fmt.Fprintf(w, "%s IS NOT NULL", notNull[0])
+ return err
+}
+
+// And implements And with other conditions
+func (notNull NotNull) And(conds ...Cond) Cond {
+ return And(notNull, And(conds...))
+}
+
+// Or implements Or with other conditions
+func (notNull NotNull) Or(conds ...Cond) Cond {
+ return Or(notNull, Or(conds...))
+}
+
+// IsValid tests if this condition is valid
+func (notNull NotNull) IsValid() bool {
+ return len(notNull[0]) > 0
+}
diff --git a/vendor/xorm.io/builder/cond_or.go b/vendor/xorm.io/builder/cond_or.go
new file mode 100644
index 0000000000..52442653a8
--- /dev/null
+++ b/vendor/xorm.io/builder/cond_or.go
@@ -0,0 +1,69 @@
+// Copyright 2016 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 "fmt"
+
+type condOr []Cond
+
+var _ Cond = condOr{}
+
+// Or sets OR conditions
+func Or(conds ...Cond) Cond {
+ var result = make(condOr, 0, len(conds))
+ for _, cond := range conds {
+ if cond == nil || !cond.IsValid() {
+ continue
+ }
+ result = append(result, cond)
+ }
+ return result
+}
+
+// WriteTo implments Cond
+func (o condOr) WriteTo(w Writer) error {
+ for i, cond := range o {
+ var needQuote bool
+ switch cond.(type) {
+ case condAnd, expr:
+ needQuote = true
+ case Eq:
+ needQuote = (len(cond.(Eq)) > 1)
+ case Neq:
+ needQuote = (len(cond.(Neq)) > 1)
+ }
+
+ if needQuote {
+ fmt.Fprint(w, "(")
+ }
+
+ err := cond.WriteTo(w)
+ if err != nil {
+ return err
+ }
+
+ if needQuote {
+ fmt.Fprint(w, ")")
+ }
+
+ if i != len(o)-1 {
+ fmt.Fprint(w, " OR ")
+ }
+ }
+
+ return nil
+}
+
+func (o condOr) And(conds ...Cond) Cond {
+ return And(o, And(conds...))
+}
+
+func (o condOr) Or(conds ...Cond) Cond {
+ return Or(o, Or(conds...))
+}
+
+func (o condOr) IsValid() bool {
+ return len(o) > 0
+}
diff --git a/vendor/xorm.io/builder/doc.go b/vendor/xorm.io/builder/doc.go
new file mode 100644
index 0000000000..162b150f10
--- /dev/null
+++ b/vendor/xorm.io/builder/doc.go
@@ -0,0 +1,120 @@
+// Copyright 2016 The XORM Authors. All rights reserved.
+// Use of this source code is governed by a BSD
+// license that can be found in the LICENSE file.
+
+/*
+
+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
+
+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"
+
+ sql, args, _ := ToSQL(Eq{"a":1})
+ // a=? [1]
+ sql, args, _ := ToSQL(Eq{"b":"c"}.And(Eq{"c": 0}))
+ // b=? AND c=? ["c", 0]
+ sql, args, _ := ToSQL(Eq{"b":"c", "c":0})
+ // b=? AND c=? ["c", 0]
+ sql, args, _ := ToSQL(Eq{"b":"c"}.Or(Eq{"b":"d"}))
+ // b=? OR b=? ["c", "d"]
+ sql, args, _ := ToSQL(Eq{"b": []string{"c", "d"}})
+ // b IN (?,?) ["c", "d"]
+ sql, args, _ := ToSQL(Eq{"b": 1, "c":[]int{2, 3}})
+ // b=? AND c IN (?,?) [1, 2, 3]
+
+2. Neq is the same to Eq
+
+ import . "github.com/go-xorm/builder"
+
+ sql, args, _ := ToSQL(Neq{"a":1})
+ // a<>? [1]
+ sql, args, _ := ToSQL(Neq{"b":"c"}.And(Neq{"c": 0}))
+ // b<>? AND c<>? ["c", 0]
+ sql, args, _ := ToSQL(Neq{"b":"c", "c":0})
+ // b<>? AND c<>? ["c", 0]
+ sql, args, _ := ToSQL(Neq{"b":"c"}.Or(Neq{"b":"d"}))
+ // b<>? OR b<>? ["c", "d"]
+ sql, args, _ := ToSQL(Neq{"b": []string{"c", "d"}})
+ // b NOT IN (?,?) ["c", "d"]
+ sql, args, _ := ToSQL(Neq{"b": 1, "c":[]int{2, 3}})
+ // b<>? AND c NOT IN (?,?) [1, 2, 3]
+
+3. Gt, Gte, Lt, Lte
+
+ import . "github.com/go-xorm/builder"
+
+ sql, args, _ := ToSQL(Gt{"a", 1}.And(Gte{"b", 2}))
+ // a>? AND b>=? [1, 2]
+ sql, args, _ := ToSQL(Lt{"a", 1}.Or(Lte{"b", 2}))
+ // a<? OR b<=? [1, 2]
+
+4. Like
+
+ import . "github.com/go-xorm/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"
+
+ sql, args, _ := ToSQL(Expr("a = ? ", 1))
+ // a = ? [1]
+ sql, args, _ := ToSQL(Eq{"a": Expr("select id from table where c = ?", 1)})
+ // a=(select id from table where c = ?) [1]
+
+6. In and NotIn
+
+ import . "github.com/go-xorm/builder"
+
+ sql, args, _ := ToSQL(In("a", 1, 2, 3))
+ // a IN (?,?,?) [1,2,3]
+ sql, args, _ := ToSQL(In("a", []int{1, 2, 3}))
+ // a IN (?,?,?) [1,2,3]
+ sql, args, _ := ToSQL(In("a", Expr("select id from b where c = ?", 1))))
+ // a IN (select id from b where c = ?) [1]
+
+7. IsNull and NotNull
+
+ import . "github.com/go-xorm/builder"
+
+ sql, args, _ := ToSQL(IsNull{"a"})
+ // a IS NULL []
+ sql, args, _ := ToSQL(NotNull{"b"})
+ // b IS NOT NULL []
+
+8. And(conds ...Cond), And can connect one or more condtions via AND
+
+ import . "github.com/go-xorm/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"
+
+ sql, args, _ := ToSQL(Or(Eq{"a":1}, Like{"b", "c"}, Neq{"d", 2}))
+ // a=? OR b LIKE ? OR d<>? [1, %c%, 2]
+ sql, args, _ := ToSQL(Or(Eq{"a":1}, And(Like{"b", "c"}, Neq{"d", 2})))
+ // a=? OR (b LIKE ? AND d<>?) [1, %c%, 2]
+
+10. Between
+
+ import . "github.com/go-xorm/builder"
+
+ sql, args, _ := ToSQL(Between("a", 1, 2))
+ // a BETWEEN 1 AND 2
+
+11. define yourself conditions
+Since Cond is a interface, you can define yourself conditions and compare with them
+*/
+package builder
diff --git a/vendor/xorm.io/builder/error.go b/vendor/xorm.io/builder/error.go
new file mode 100644
index 0000000000..d830ee9955
--- /dev/null
+++ b/vendor/xorm.io/builder/error.go
@@ -0,0 +1,40 @@
+// Copyright 2016 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 "errors"
+
+var (
+ // ErrNotSupportType not supported SQL type error
+ ErrNotSupportType = errors.New("Not supported SQL type")
+ // ErrNoNotInConditions no NOT IN params error
+ ErrNoNotInConditions = errors.New("No NOT IN conditions")
+ // ErrNoInConditions no IN params error
+ ErrNoInConditions = errors.New("No IN conditions")
+ // ErrNeedMoreArguments need more arguments
+ ErrNeedMoreArguments = errors.New("Need more sql arguments")
+ // ErrNoTableName no table name
+ ErrNoTableName = errors.New("No table indicated")
+ // ErrNoColumnToInsert no column to update
+ ErrNoColumnToUpdate = errors.New("No column(s) to update")
+ // ErrNoColumnToInsert no column to update
+ ErrNoColumnToInsert = errors.New("No column(s) to insert")
+ // ErrNotSupportDialectType not supported dialect type error
+ ErrNotSupportDialectType = errors.New("Not supported dialect type")
+ // ErrNotUnexpectedUnionConditions using union in a wrong way
+ ErrNotUnexpectedUnionConditions = errors.New("Unexpected conditional fields in UNION query")
+ // ErrUnsupportedUnionMembers unexpected members in UNION query
+ ErrUnsupportedUnionMembers = errors.New("Unexpected members in UNION query")
+ // ErrUnexpectedSubQuery Unexpected sub-query in SELECT query
+ ErrUnexpectedSubQuery = errors.New("Unexpected sub-query in SELECT query")
+ // ErrDialectNotSetUp dialect is not setup yet
+ ErrDialectNotSetUp = errors.New("Dialect is not setup yet, try to use `Dialect(dbType)` at first")
+ // ErrInvalidLimitation offset or limit is not correct
+ ErrInvalidLimitation = errors.New("Offset or limit is not correct")
+ // ErrUnnamedDerivedTable Every derived table must have its own alias
+ ErrUnnamedDerivedTable = errors.New("Every derived table must have its own alias")
+ // ErrInconsistentDialect Inconsistent dialect in same builder
+ ErrInconsistentDialect = errors.New("Inconsistent dialect in same builder")
+)
diff --git a/vendor/xorm.io/builder/go.mod b/vendor/xorm.io/builder/go.mod
new file mode 100644
index 0000000000..35e43b329f
--- /dev/null
+++ b/vendor/xorm.io/builder/go.mod
@@ -0,0 +1,6 @@
+module xorm.io/builder
+
+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/go.sum b/vendor/xorm.io/builder/go.sum
new file mode 100644
index 0000000000..468ba4a2d5
--- /dev/null
+++ b/vendor/xorm.io/builder/go.sum
@@ -0,0 +1,9 @@
+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/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:9wScpmSP5A3Bk8V3XHWUcJmYTh+ZnlHVyc+A4oZYS3Y=
+github.com/go-xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:56xuuqnHyryaerycW3BfssRdxQstACi0Epw/yC5E2xM=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
diff --git a/vendor/xorm.io/builder/sql.go b/vendor/xorm.io/builder/sql.go
new file mode 100644
index 0000000000..0834242768
--- /dev/null
+++ b/vendor/xorm.io/builder/sql.go
@@ -0,0 +1,156 @@
+// Copyright 2018 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 (
+ sql2 "database/sql"
+ "fmt"
+ "reflect"
+ "time"
+)
+
+func condToSQL(cond Cond) (string, []interface{}, error) {
+ if cond == nil || !cond.IsValid() {
+ return "", nil, nil
+ }
+
+ w := NewWriter()
+ if err := cond.WriteTo(w); err != nil {
+ return "", nil, err
+ }
+ return w.writer.String(), w.args, nil
+}
+
+func condToBoundSQL(cond Cond) (string, error) {
+ if cond == nil || !cond.IsValid() {
+ return "", nil
+ }
+
+ w := NewWriter()
+ if err := cond.WriteTo(w); err != nil {
+ return "", err
+ }
+ return ConvertToBoundSQL(w.writer.String(), w.args)
+}
+
+// ToSQL convert a builder or conditions to SQL and args
+func ToSQL(cond interface{}) (string, []interface{}, error) {
+ switch cond.(type) {
+ case Cond:
+ return condToSQL(cond.(Cond))
+ case *Builder:
+ return cond.(*Builder).ToSQL()
+ }
+ return "", nil, ErrNotSupportType
+}
+
+// ToBoundSQL convert a builder or conditions to parameters bound SQL
+func ToBoundSQL(cond interface{}) (string, error) {
+ switch cond.(type) {
+ case Cond:
+ return condToBoundSQL(cond.(Cond))
+ case *Builder:
+ return cond.(*Builder).ToBoundSQL()
+ }
+ return "", ErrNotSupportType
+}
+
+func noSQLQuoteNeeded(a interface{}) bool {
+ switch a.(type) {
+ case int, int8, int16, int32, int64:
+ return true
+ case uint, uint8, uint16, uint32, uint64:
+ return true
+ case float32, float64:
+ return true
+ case bool:
+ return true
+ case string:
+ return false
+ case time.Time, *time.Time:
+ return false
+ }
+
+ t := reflect.TypeOf(a)
+ switch t.Kind() {
+ case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+ return true
+ case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+ return true
+ case reflect.Float32, reflect.Float64:
+ return true
+ case reflect.Bool:
+ return true
+ case reflect.String:
+ return false
+ }
+
+ return false
+}
+
+// ConvertToBoundSQL will convert SQL and args to a bound SQL
+func ConvertToBoundSQL(sql string, args []interface{}) (string, error) {
+ buf := StringBuilder{}
+ var i, j, start int
+ for ; i < len(sql); i++ {
+ if sql[i] == '?' {
+ _, err := buf.WriteString(sql[start:i])
+ if err != nil {
+ return "", err
+ }
+ start = i + 1
+
+ if len(args) == j {
+ return "", ErrNeedMoreArguments
+ }
+
+ arg := args[j]
+ if namedArg, ok := arg.(sql2.NamedArg); ok {
+ arg = namedArg.Value
+ }
+
+ if noSQLQuoteNeeded(arg) {
+ _, err = fmt.Fprint(&buf, arg)
+ } else {
+ _, err = fmt.Fprintf(&buf, "'%v'", arg)
+ }
+ if err != nil {
+ return "", err
+ }
+ j = j + 1
+ }
+ }
+ _, err := buf.WriteString(sql[start:])
+ if err != nil {
+ return "", err
+ }
+ return buf.String(), nil
+}
+
+// ConvertPlaceholder replaces ? to $1, $2 ... or :1, :2 ... according prefix
+func ConvertPlaceholder(sql, prefix string) (string, error) {
+ buf := StringBuilder{}
+ var i, j, start int
+ for ; i < len(sql); i++ {
+ if sql[i] == '?' {
+ if _, err := buf.WriteString(sql[start:i]); err != nil {
+ return "", err
+ }
+
+ start = i + 1
+ j = j + 1
+
+ if _, err := buf.WriteString(fmt.Sprintf("%v%d", prefix, j)); err != nil {
+ return "", err
+ }
+ }
+ }
+
+ if _, err := buf.WriteString(sql[start:]); err != nil {
+ return "", err
+ }
+
+ return buf.String(), nil
+}
diff --git a/vendor/xorm.io/builder/string_builder.go b/vendor/xorm.io/builder/string_builder.go
new file mode 100644
index 0000000000..d4de8717e7
--- /dev/null
+++ b/vendor/xorm.io/builder/string_builder.go
@@ -0,0 +1,119 @@
+// 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
+}