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Improved questionmark parameter placeholder replacementw

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This commit is contained in:
ManReinsp 2017-07-28 08:26:57 +02:00
parent 928f99dbb5
commit 84847fdd47
1 changed files with 27 additions and 16 deletions
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43
scope.go
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@ -256,11 +256,7 @@ func (scope *Scope) AddToVars(value interface{}) string {
if expr, ok := value.(*expr); ok {
exp := expr.expr
for _, arg := range expr.args {
if pgParameterRegexp.MatchString(exp) {
exp = pgParameterRegexp.ReplaceAllLiteralString(exp, scope.AddToVars(arg))
} else {
exp = strings.Replace(exp, "?", scope.AddToVars(arg), 1)
}
exp = scope.replaceParameterPlaceholder(exp, arg)
}
return exp
}
@ -466,6 +462,21 @@ func (scope *Scope) quoteIfPossible(str string) string {
return str
}
func (scope *Scope) replaceParameterPlaceholderLiteral(sql string, parameter interface{}, addToVars bool) string {
if scope.Dialect().GetName() == "postgres" && pgParameterRegexp.MatchString(sql) {
sql = pgParameterRegexp.ReplaceAllLiteralString(sql, "?")
}
if val, ok := parameter.(string); ok && !addToVars {
return strings.Replace(sql, "?", val, 1)
}
return strings.Replace(sql, "?", scope.AddToVars(parameter), 1)
}
func (scope *Scope) replaceParameterPlaceholder(sql string, parameter interface{}) string {
return scope.replaceParameterPlaceholderLiteral(sql, parameter, true)
}
func (scope *Scope) scan(rows *sql.Rows, columns []string, fields []*Field) {
var (
ignored interface{}
@ -555,22 +566,22 @@ func (scope *Scope) buildWhereCondition(clause map[string]interface{}) (str stri
switch reflect.ValueOf(arg).Kind() {
case reflect.Slice: // For where("id in (?)", []int64{1,2})
if bytes, ok := arg.([]byte); ok {
str = strings.Replace(str, "?", scope.AddToVars(bytes), 1)
str = scope.replaceParameterPlaceholder(str, bytes)
} else if values := reflect.ValueOf(arg); values.Len() > 0 {
var tempMarks []string
for i := 0; i < values.Len(); i++ {
tempMarks = append(tempMarks, scope.AddToVars(values.Index(i).Interface()))
}
str = strings.Replace(str, "?", strings.Join(tempMarks, ","), 1)
str = scope.replaceParameterPlaceholderLiteral(str, strings.Join(tempMarks, ","), false)
} else {
str = strings.Replace(str, "?", scope.AddToVars(Expr("NULL")), 1)
str = scope.replaceParameterPlaceholder(str, Expr("NULL"))
}
default:
if valuer, ok := interface{}(arg).(driver.Valuer); ok {
arg, _ = valuer.Value()
}
str = strings.Replace(str, "?", scope.AddToVars(arg), 1)
str = scope.replaceParameterPlaceholder(str, arg)
}
}
return
@ -627,21 +638,21 @@ func (scope *Scope) buildNotCondition(clause map[string]interface{}) (str string
switch reflect.ValueOf(arg).Kind() {
case reflect.Slice: // For where("id in (?)", []int64{1,2})
if bytes, ok := arg.([]byte); ok {
str = strings.Replace(str, "?", scope.AddToVars(bytes), 1)
str = scope.replaceParameterPlaceholder(str, bytes)
} else if values := reflect.ValueOf(arg); values.Len() > 0 {
var tempMarks []string
for i := 0; i < values.Len(); i++ {
tempMarks = append(tempMarks, scope.AddToVars(values.Index(i).Interface()))
}
str = strings.Replace(str, "?", strings.Join(tempMarks, ","), 1)
str = scope.replaceParameterPlaceholder(str, strings.Join(tempMarks, ","))
} else {
str = strings.Replace(str, "?", scope.AddToVars(Expr("NULL")), 1)
str = scope.replaceParameterPlaceholder(str, Expr("NULL"))
}
default:
if scanner, ok := interface{}(arg).(driver.Valuer); ok {
arg, _ = scanner.Value()
}
str = strings.Replace(notEqualSQL, "?", scope.AddToVars(arg), 1)
str = scope.replaceParameterPlaceholder(notEqualSQL, arg)
}
}
return
@ -664,12 +675,12 @@ func (scope *Scope) buildSelectQuery(clause map[string]interface{}) (str string)
for i := 0; i < values.Len(); i++ {
tempMarks = append(tempMarks, scope.AddToVars(values.Index(i).Interface()))
}
str = strings.Replace(str, "?", strings.Join(tempMarks, ","), 1)
str = scope.replaceParameterPlaceholder(str, strings.Join(tempMarks, ","))
default:
if valuer, ok := interface{}(arg).(driver.Valuer); ok {
arg, _ = valuer.Value()
}
str = strings.Replace(str, "?", scope.AddToVars(arg), 1)
str = scope.replaceParameterPlaceholder(str, arg)
}
}
return
@ -755,7 +766,7 @@ func (scope *Scope) orderSQL() string {
} else if expr, ok := order.(*expr); ok {
exp := expr.expr
for _, arg := range expr.args {
exp = strings.Replace(exp, "?", scope.AddToVars(arg), 1)
exp = scope.replaceParameterPlaceholder(exp, arg)
}
orders = append(orders, exp)
}