141 lines
2.9 KiB
Go
141 lines
2.9 KiB
Go
// Copyright 2019 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package xorm
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import (
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"fmt"
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"reflect"
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"strings"
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"time"
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"xorm.io/builder"
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"xorm.io/core"
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)
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func quoteNeeded(a interface{}) bool {
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switch a.(type) {
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case int, int8, int16, int32, int64:
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return false
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case uint, uint8, uint16, uint32, uint64:
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return false
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case float32, float64:
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return false
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case bool:
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return false
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case string:
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return true
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case time.Time, *time.Time:
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return true
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case builder.Builder, *builder.Builder:
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return false
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}
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t := reflect.TypeOf(a)
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switch t.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return false
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case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
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return false
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case reflect.Float32, reflect.Float64:
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return false
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case reflect.Bool:
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return false
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case reflect.String:
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return true
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}
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return true
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}
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func convertArg(arg interface{}) string {
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if quoteNeeded(arg) {
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argv := fmt.Sprintf("%v", arg)
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return "'" + strings.Replace(argv, "'", "''", -1) + "'"
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}
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return fmt.Sprintf("%v", arg)
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}
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func (statement *Statement) writeArg(w *builder.BytesWriter, arg interface{}) error {
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switch argv := arg.(type) {
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case bool:
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if statement.Engine.dialect.DBType() == core.MSSQL {
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if argv {
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if _, err := w.WriteString("1"); err != nil {
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return err
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}
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} else {
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if _, err := w.WriteString("0"); err != nil {
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return err
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}
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}
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} else {
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if argv {
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if _, err := w.WriteString("true"); err != nil {
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return err
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}
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} else {
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if _, err := w.WriteString("false"); err != nil {
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return err
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}
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}
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}
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case *builder.Builder:
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if _, err := w.WriteString("("); err != nil {
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return err
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}
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if err := argv.WriteTo(w); err != nil {
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return err
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}
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if _, err := w.WriteString(")"); err != nil {
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return err
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}
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default:
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if _, err := w.WriteString(convertArg(arg)); err != nil {
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return err
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}
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}
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return nil
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}
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func (statement *Statement) writeArgs(w *builder.BytesWriter, args []interface{}) error {
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for i, arg := range args {
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if err := statement.writeArg(w, arg); err != nil {
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return err
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}
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if i+1 != len(args) {
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if _, err := w.WriteString(","); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func writeStrings(w *builder.BytesWriter, cols []string, leftQuote, rightQuote string) error {
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for i, colName := range cols {
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if len(leftQuote) > 0 && colName[0] != '`' {
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if _, err := w.WriteString(leftQuote); err != nil {
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return err
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}
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}
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if _, err := w.WriteString(colName); err != nil {
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return err
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}
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if len(rightQuote) > 0 && colName[len(colName)-1] != '`' {
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if _, err := w.WriteString(rightQuote); err != nil {
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return err
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}
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}
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if i+1 != len(cols) {
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if _, err := w.WriteString(","); err != nil {
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return err
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}
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}
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}
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return nil
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}
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