add SetSchema for engine

circle.yml

@@ -17,6 +17,7 @@ database:
     - createdb -p 5432 -e -U postgres xorm_test1
     - createdb -p 5432 -e -U postgres xorm_test2
     - createdb -p 5432 -e -U postgres xorm_test3
+    - psql xorm_test lunny -c "create schema xorm"
 
 test:
   override:
@@ -30,7 +31,9 @@ test:
     - go test -v -race -db="mymysql" -conn_str="xorm_test/root/" -cache=true -coverprofile=coverage3-2.txt -covermode=atomic
     - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -coverprofile=coverage4-1.txt -covermode=atomic
     - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -cache=true -coverprofile=coverage4-2.txt -covermode=atomic
-    - gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt > coverage.txt
+    - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -schema=xorm -coverprofile=coverage5-1.txt -covermode=atomic
+    - go test -v -race -db="postgres" -conn_str="dbname=xorm_test sslmode=disable" -schema=xorm -cache=true -coverprofile=coverage5-2.txt -covermode=atomic
+    - gocovmerge coverage1-1.txt coverage1-2.txt coverage2-1.txt coverage2-2.txt coverage3-1.txt coverage3-2.txt coverage4-1.txt coverage4-2.txt coverage5-1.txt coverage5-2.txt > coverage.txt
     - cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./sqlite3.sh
     - cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./mysql.sh
     - cd /home/ubuntu/.go_workspace/src/github.com/go-xorm/tests && ./postgres.sh

engine.go

@@ -1649,6 +1649,11 @@ func (engine *Engine) SetTZDatabase(tz *time.Location) {
 	engine.DatabaseTZ = tz
 }
 
+// SetSchema sets the schema of database
+func (engine *Engine) SetSchema(schema string) {
+	engine.dialect.URI().Schema = schema
+}
+
 // Unscoped always disable struct tag "deleted"
 func (engine *Engine) Unscoped() *Session {
 	session := engine.NewSession()

interface.go

@@ -87,6 +87,7 @@ type EngineInterface interface {
 	SetDefaultCacher(core.Cacher)
 	SetLogLevel(core.LogLevel)
 	SetMapper(core.IMapper)
+	SetSchema(string)
 	SetTZDatabase(tz *time.Location)
 	SetTZLocation(tz *time.Location)
 	ShowSQL(show ...bool)

xorm_test.go

@@ -27,6 +27,7 @@ var (
 	cache      = flag.Bool("cache", false, "if enable cache")
 	cluster    = flag.Bool("cluster", false, "if this is a cluster")
 	splitter   = flag.String("splitter", ";", "the splitter on connstr for cluster")
+	schema     = flag.String("schema", "", "specify the schema")
 )
 
 func createEngine(dbType, connStr string) error {
@@ -35,7 +36,6 @@ func createEngine(dbType, connStr string) error {
 
 		if !*cluster {
 			testEngine, err = NewEngine(dbType, connStr)
-
 		} else {
 			testEngine, err = NewEngineGroup(dbType, strings.Split(connStr, *splitter))
 		}
@@ -43,6 +43,9 @@ func createEngine(dbType, connStr string) error {
 			return err
 		}
 
+		if *schema != "" {
+			testEngine.SetSchema(*schema)
+		}
 		testEngine.ShowSQL(*showSQL)
 		testEngine.SetLogLevel(core.LOG_DEBUG)
 		if *cache {