本文整理汇总了Golang中github.com/go-gorp/gorp.Transaction.SelectInt方法的典型用法代码示例。如果您正苦于以下问题：Golang Transaction.SelectInt方法的具体用法？Golang Transaction.SelectInt怎么用？Golang Transaction.SelectInt使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/go-gorp/gorp.Transaction的用法示例。
在下文中一共展示了Transaction.SelectInt方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: CountRows
func CountRows(tableName, columnName string, txn *gorp.Transaction) (int64, error) {
count, err := txn.SelectInt(fmt.Sprintf(SQL_MODEL_COUNT, columnName, tableName))
if err != nil {
return -1, err
}
return count, nil
}示例2: save
func (s SqlPreferenceStore) save(transaction *gorp.Transaction, preference *model.Preference) StoreResult {
result := StoreResult{}
preference.PreUpdate()
if result.Err = preference.IsValid(); result.Err != nil {
return result
}
params := map[string]interface{}{
"UserId": preference.UserId,
"Category": preference.Category,
"Name": preference.Name,
"Value": preference.Value,
}
if utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_MYSQL {
if _, err := transaction.Exec(
`INSERT INTO
Preferences
(UserId, Category, Name, Value)
VALUES
(:UserId, :Category, :Name, :Value)
ON DUPLICATE KEY UPDATE
Value = :Value`, params); err != nil {
result.Err = model.NewLocAppError("SqlPreferenceStore.save", "store.sql_preference.save.updating.app_error", nil, err.Error())
}
} else if utils.Cfg.SqlSettings.DriverName == model.DATABASE_DRIVER_POSTGRES {
// postgres has no way to upsert values until version 9.5 and trying inserting and then updating causes transactions to abort
count, err := transaction.SelectInt(
`SELECT
count(0)
FROM
Preferences
WHERE
UserId = :UserId
AND Category = :Category
AND Name = :Name`, params)
if err != nil {
result.Err = model.NewLocAppError("SqlPreferenceStore.save", "store.sql_preference.save.updating.app_error", nil, err.Error())
return result
}
if count == 1 {
s.update(transaction, preference)
} else {
s.insert(transaction, preference)
}
} else {
result.Err = model.NewLocAppError("SqlPreferenceStore.save", "store.sql_preference.save.missing_driver.app_error", nil,
"Failed to update preference because of missing driver")
}
return result
}示例3: saveChannelT
func (s SqlChannelStore) saveChannelT(transaction *gorp.Transaction, channel *model.Channel) StoreResult {
result := StoreResult{}
if len(channel.Id) > 0 {
result.Err = model.NewAppError("SqlChannelStore.Save", "Must call update for exisiting channel", "id="+channel.Id)
return result
}
channel.PreSave()
if result.Err = channel.IsValid(); result.Err != nil {
return result
}
if channel.Type != model.CHANNEL_DIRECT {
if count, err := transaction.SelectInt("SELECT COUNT(0) FROM Channels WHERE TeamId = :TeamId AND DeleteAt = 0 AND (Type = 'O' OR Type = 'P')", map[string]interface{}{"TeamId": channel.TeamId}); err != nil {
result.Err = model.NewAppError("SqlChannelStore.Save", "Failed to get current channel count", "teamId="+channel.TeamId+", "+err.Error())
return result
} else if count > 1000 {
result.Err = model.NewAppError("SqlChannelStore.Save", "You've reached the limit of the number of allowed channels.", "teamId="+channel.TeamId)
return result
}
}
if err := transaction.Insert(channel); err != nil {
if IsUniqueConstraintError(err.Error(), "Name", "channels_name_teamid_key") {
dupChannel := model.Channel{}
s.GetMaster().SelectOne(&dupChannel, "SELECT * FROM Channels WHERE TeamId = :TeamId AND Name = :Name AND DeleteAt > 0", map[string]interface{}{"TeamId": channel.TeamId, "Name": channel.Name})
if dupChannel.DeleteAt > 0 {
result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that URL was previously created", "id="+channel.Id+", "+err.Error())
} else {
result.Err = model.NewAppError("SqlChannelStore.Update", "A channel with that URL already exists", "id="+channel.Id+", "+err.Error())
}
} else {
result.Err = model.NewAppError("SqlChannelStore.Save", "We couldn't save the channel", "id="+channel.Id+", "+err.Error())
}
} else {
result.Data = channel
}
return result
}