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baserecord.go
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baserecord.go
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package gatsby
import "database/sql"
/*
The record object, which is a struct pointer.
*/
type PtrRecord interface{}
type PtrTargetRecord interface {
SetTarget(PtrRecord)
}
type BaseRecord struct {
Txn *sql.Tx `json:-`
Target PtrRecord `json:-`
}
func NewRecord(o PtrTargetRecord) interface{} {
o.SetTarget(o)
return o
}
func (self *BaseRecord) SetTarget(target PtrRecord) {
self.Target = target
}
func (self *BaseRecord) SetTxn(txn *sql.Tx) {
self.Txn = txn
}
func (self *BaseRecord) GetTxn() *sql.Tx {
return self.Txn
}
func (self *BaseRecord) Begin() (*sql.Tx, error) {
var tx *sql.Tx
var err error
if self == nil {
panic("You need to initialize the BaseRecord struct")
}
if self.Txn != nil {
panic("You have already began a transaction.")
}
tx, err = conn.Begin()
if err != nil {
return nil, err
}
if tx == nil {
panic("Empty transaction object, check driver support?")
}
self.Txn = tx
return tx, nil
}
func (self *BaseRecord) Rollback() error {
if self.Txn != nil {
var err = self.Txn.Rollback()
// free the transaction object
self.Txn = nil
return err
}
return nil
}
func (self *BaseRecord) Commit() error {
if self.Txn != nil {
var err = self.Txn.Commit()
// free the transaction object
self.Txn = nil
return err
}
return nil
}
func (self *BaseRecord) Create() *Result {
if self.Txn != nil {
return Create(self.Txn, self.Target, driverType)
}
return Create(conn, self.Target, driverType)
}
func (self *BaseRecord) CreateWithInstance(o PtrRecord) *Result {
if self.Txn != nil {
return Create(self.Txn, o, driverType)
}
return Create(conn, o, driverType)
}
func (self *BaseRecord) Update() *Result {
if self.Txn != nil {
return Update(self.Txn, self.Target, driverType)
}
return Update(conn, self.Target, driverType)
}
func (self *BaseRecord) Load(id int64) *Result {
return Load(conn, self.Target, id)
}
/*
Load and fill current record with customzied query (after the select clause)
record.LoadWith(`WHERE name = $1`, name)
*/
func (self *BaseRecord) LoadWith(postQuery string, args ...interface{}) *Result {
return LoadWith(conn, self.Target, postQuery, args...)
}
func (self *BaseRecord) LoadByCols(cols WhereMap) *Result {
return LoadByCols(conn, self.Target, cols)
}
func (self *BaseRecord) Delete() *Result {
// delete with transaction
if self.Txn != nil {
return Delete(self.Txn, self.Target)
}
return Delete(conn, self.Target)
}
func (self *BaseRecord) SelectByCols(cols WhereMap) (interface{}, *Result) {
return SelectWhere(conn, self.Target, cols)
}
func (self *BaseRecord) DeleteWithInstance(o PtrRecord) *Result {
// delete with transaction
if self.Txn != nil {
return Delete(self.Txn, o)
}
return Delete(conn, o)
}
func (self *BaseRecord) UpdateWithInstance(o PtrRecord) *Result {
if self.Txn != nil {
return Update(self.Txn, o, driverType)
}
return Update(conn, o, driverType)
}
func (self *BaseRecord) LoadWithInstance(o PtrRecord, id int64) *Result {
return Load(conn, o, id)
}
func (self *BaseRecord) LoadByColsWithInstance(o PtrRecord, cols WhereMap) *Result {
return LoadByCols(conn, o, cols)
}
func (self *BaseRecord) SelectByColsWithInstance(o PtrRecord, cols WhereMap) (interface{}, *Result) {
return SelectWhere(conn, o, cols)
}