Simple and Powerful ORM for Go, support mysql,postgres,tidb,sqlite3,sqlite,mssql,oracle,cockroach https://xorm.io
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// 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 (
"strings"
"xorm.io/xorm/schemas"
)
type columnMap []string
func (m columnMap) Contain(colName string) bool {
if len(m) == 0 {
return false
}
n := len(colName)
for _, mk := range m {
if len(mk) != n {
continue
}
if strings.EqualFold(mk, colName) {
return true
}
}
return false
}
func (m columnMap) Len() int {
return len(m)
}
func (m columnMap) IsEmpty() bool {
return len(m) == 0
}
func (m *columnMap) Add(colName string) bool {
if m.Contain(colName) {
return false
}
*m = append(*m, colName)
return true
}
func getFlagForColumn(m map[string]bool, col *schemas.Column) (val bool, has bool) {
if len(m) == 0 {
return false, false
}
n := len(col.Name)
for mk := range m {
if len(mk) != n {
continue
}
if strings.EqualFold(mk, col.Name) {
return m[mk], true
}
}
return false, false
}