comment a warn log and added pgx driver support

session.go

@@ -1604,7 +1604,7 @@ func (session *Session) dropAll() error {
 func (session *Session) getField(dataStruct *reflect.Value, key string, table *core.Table, idx int) *reflect.Value {
 	var col *core.Column
 	if col = table.GetColumnIdx(key, idx); col == nil {
-		session.Engine.logger.Warnf("table %v has no column %v. %v", table.Name, key, table.ColumnsSeq())
+		//session.Engine.logger.Warnf("table %v has no column %v. %v", table.Name, key, table.ColumnsSeq())
 		return nil
 	}
 
@@ -1615,8 +1615,7 @@ func (session *Session) getField(dataStruct *reflect.Value, key string, table *c
 	}
 
 	if !fieldValue.IsValid() || !fieldValue.CanSet() {
-		session.Engine.logger.Warnf("table %v's column %v is not valid or cannot set",
-			table.Name, key)
+		session.Engine.logger.Warnf("table %v's column %v is not valid or cannot set", table.Name, key)
 		return nil
 	}
 	return fieldValue

xorm.go

@@ -17,7 +17,7 @@ import (
 
 const (
 	// Version show the xorm's version
-	Version string = "0.5.5.0901"
+	Version string = "0.5.5.0907"
 )
 
 func regDrvsNDialects() bool {
@@ -31,6 +31,7 @@ func regDrvsNDialects() bool {
 		"mysql":    {"mysql", func() core.Driver { return &mysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"mymysql":  {"mysql", func() core.Driver { return &mymysqlDriver{} }, func() core.Dialect { return &mysql{} }},
 		"postgres": {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
+		"pgx":      {"postgres", func() core.Driver { return &pqDriver{} }, func() core.Dialect { return &postgres{} }},
 		"sqlite3":  {"sqlite3", func() core.Driver { return &sqlite3Driver{} }, func() core.Dialect { return &sqlite3{} }},
 		"oci8":     {"oracle", func() core.Driver { return &oci8Driver{} }, func() core.Dialect { return &oracle{} }},
 		"goracle":  {"oracle", func() core.Driver { return &goracleDriver{} }, func() core.Dialect { return &oracle{} }},