Upgrade xorm to v1.1.1 (#16339)

vendor/xorm.io/xorm/internal/statements/expr.go

@@ -0,0 +1,94 @@
+// 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 statements
+
+import (
+	"fmt"
+	"strings"
+
+	"xorm.io/builder"
+	"xorm.io/xorm/schemas"
+)
+
+// ErrUnsupportedExprType represents an error with unsupported express type
+type ErrUnsupportedExprType struct {
+	tp string
+}
+
+func (err ErrUnsupportedExprType) Error() string {
+	return fmt.Sprintf("Unsupported expression type: %v", err.tp)
+}
+
+// Expr represents an SQL express
+type Expr struct {
+	ColName string
+	Arg     interface{}
+}
+
+// WriteArgs writes args to the writer
+func (expr *Expr) WriteArgs(w *builder.BytesWriter) error {
+	switch arg := expr.Arg.(type) {
+	case *builder.Builder:
+		if _, err := w.WriteString("("); err != nil {
+			return err
+		}
+		if err := arg.WriteTo(w); err != nil {
+			return err
+		}
+		if _, err := w.WriteString(")"); err != nil {
+			return err
+		}
+	case string:
+		if arg == "" {
+			arg = "''"
+		}
+		if _, err := w.WriteString(fmt.Sprintf("%v", arg)); err != nil {
+			return err
+		}
+	default:
+		if _, err := w.WriteString("?"); err != nil {
+			return err
+		}
+		w.Append(arg)
+	}
+	return nil
+}
+
+type exprParams []Expr
+
+func (exprs exprParams) ColNames() []string {
+	var cols = make([]string, 0, len(exprs))
+	for _, expr := range exprs {
+		cols = append(cols, expr.ColName)
+	}
+	return cols
+}
+
+func (exprs *exprParams) Add(name string, arg interface{}) {
+	*exprs = append(*exprs, Expr{name, arg})
+}
+
+func (exprs exprParams) IsColExist(colName string) bool {
+	for _, expr := range exprs {
+		if strings.EqualFold(schemas.CommonQuoter.Trim(expr.ColName), schemas.CommonQuoter.Trim(colName)) {
+			return true
+		}
+	}
+	return false
+}
+
+func (exprs exprParams) WriteArgs(w *builder.BytesWriter) error {
+	for i, expr := range exprs {
+		if err := expr.WriteArgs(w); err != nil {
+			return err
+		}
+		if i != len(exprs)-1 {
+			if _, err := w.WriteString(","); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}