func ExampleRegisterShardedDatabase() {
engine1, _ = xorm.NewEngine("mysql", "root:@/example_user_a?charset=utf8")
engine2, _ = xorm.NewEngine("mysql", "root:@/example_user_a?charset=utf8")
engine3, _ = xorm.NewEngine("mysql", "root:@/example_user_b?charset=utf8")
engine4, _ = xorm.NewEngine("mysql", "root:@/example_user_b?charset=utf8")
w = wizard.NewWizard()
shardClusters := w.CreateShardCluster(&User{}, 997) // create shard clusters for User{} with slotsize 997
standardClusterA := wizard.NewCluster(engine1)
standardClusterA.RegisterSlave(engine2)
shardClusters.RegisterShard(0, 500, standardClusterA)
standardClusterB := wizard.NewCluster(engine3)
standardClusterB.RegisterSlave(engine4)
shardClusters.RegisterShard(501, 996, standardClusterB)
}
func testCreateWizard() *wizard.Wizard {
wiz := wizard.NewWizard()
userShards := wiz.CreateShardCluster(testUser{}, 997)
shard01 := wizard.NewCluster(dbUser01Master)
shard01.RegisterSlave(dbUser01Slave01)
shard01.RegisterSlave(dbUser01Slave02)
userShards.RegisterShard(0, 499, shard01) // user A
shard02 := wizard.NewCluster(dbUser02Master)
shard02.RegisterSlave(dbUser02Slave01)
shard02.RegisterSlave(dbUser02Slave02)
userShards.RegisterShard(500, 996, shard02) // user B
foobarCluster := wiz.CreateCluster(testFoobar{}, dbFoobarMaster)
foobarCluster.RegisterSlave(dbFoobarSlave01)
foobarCluster.RegisterSlave(dbFoobarSlave02)
otherCluster := wizard.NewCluster(dbOther)
wiz.SetDefault(otherCluster)
return wiz
}
func ExampleRegisterStandardDatabases() {
engine1, _ = xorm.NewEngine("mysql", "root:@/example_user?charset=utf8")
engine2, _ = xorm.NewEngine("mysql", "root:@/example_user?charset=utf8")
engine3, _ = xorm.NewEngine("mysql", "root:@/example_foobar?charset=utf8")
engine4, _ = xorm.NewEngine("mysql", "root:@/example_other?charset=utf8")
w = wizard.NewWizard()
stndardCluster := w.CreateCluster(User{}, engine1) // engine is master database used for table of User{}
stndardCluster.RegisterSlave(engine2) // add slave
_ = w.CreateCluster("foobar", engine3) // engine3 is master database used for table of foobar
stndardCluster = wizard.NewCluster(engine4)
w.SetDefault(stndardCluster) // engine4 is master database used for all the other tables
}