Update xorm to latest version and fix correct user table referencing in sql (#4473)

vendor/github.com/go-xorm/xorm/engine_table.go

@@ -0,0 +1,113 @@
+// Copyright 2018 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+
+	"github.com/go-xorm/core"
+)
+
+// TableNameWithSchema will automatically add schema prefix on table name
+func (engine *Engine) tbNameWithSchema(v string) string {
+	// Add schema name as prefix of table name.
+	// Only for postgres database.
+	if engine.dialect.DBType() == core.POSTGRES &&
+		engine.dialect.URI().Schema != "" &&
+		engine.dialect.URI().Schema != postgresPublicSchema &&
+		strings.Index(v, ".") == -1 {
+		return engine.dialect.URI().Schema + "." + v
+	}
+	return v
+}
+
+// TableName returns table name with schema prefix if has
+func (engine *Engine) TableName(bean interface{}, includeSchema ...bool) string {
+	tbName := engine.tbNameNoSchema(bean)
+	if len(includeSchema) > 0 && includeSchema[0] {
+		tbName = engine.tbNameWithSchema(tbName)
+	}
+
+	return tbName
+}
+
+// tbName get some table's table name
+func (session *Session) tbNameNoSchema(table *core.Table) string {
+	if len(session.statement.AltTableName) > 0 {
+		return session.statement.AltTableName
+	}
+
+	return table.Name
+}
+
+func (engine *Engine) tbNameForMap(v reflect.Value) string {
+	if v.Type().Implements(tpTableName) {
+		return v.Interface().(TableName).TableName()
+	}
+	if v.Kind() == reflect.Ptr {
+		v = v.Elem()
+		if v.Type().Implements(tpTableName) {
+			return v.Interface().(TableName).TableName()
+		}
+	}
+
+	return engine.TableMapper.Obj2Table(v.Type().Name())
+}
+
+func (engine *Engine) tbNameNoSchema(tablename interface{}) string {
+	switch tablename.(type) {
+	case []string:
+		t := tablename.([]string)
+		if len(t) > 1 {
+			return fmt.Sprintf("%v AS %v", engine.Quote(t[0]), engine.Quote(t[1]))
+		} else if len(t) == 1 {
+			return engine.Quote(t[0])
+		}
+	case []interface{}:
+		t := tablename.([]interface{})
+		l := len(t)
+		var table string
+		if l > 0 {
+			f := t[0]
+			switch f.(type) {
+			case string:
+				table = f.(string)
+			case TableName:
+				table = f.(TableName).TableName()
+			default:
+				v := rValue(f)
+				t := v.Type()
+				if t.Kind() == reflect.Struct {
+					table = engine.tbNameForMap(v)
+				} else {
+					table = engine.Quote(fmt.Sprintf("%v", f))
+				}
+			}
+		}
+		if l > 1 {
+			return fmt.Sprintf("%v AS %v", engine.Quote(table),
+				engine.Quote(fmt.Sprintf("%v", t[1])))
+		} else if l == 1 {
+			return engine.Quote(table)
+		}
+	case TableName:
+		return tablename.(TableName).TableName()
+	case string:
+		return tablename.(string)
+	case reflect.Value:
+		v := tablename.(reflect.Value)
+		return engine.tbNameForMap(v)
+	default:
+		v := rValue(tablename)
+		t := v.Type()
+		if t.Kind() == reflect.Struct {
+			return engine.tbNameForMap(v)
+		}
+		return engine.Quote(fmt.Sprintf("%v", tablename))
+	}
+	return ""
+}