feat:multi cluster application

vendor/openpitrix.io/openpitrix/pkg/db/Dockerfile

@@ -2,9 +2,9 @@
 # Use of this source code is governed by a Apache license
 # that can be found in the LICENSE file.
 
-FROM dhoer/flyway:5.1.4-mysql-8.0.11-alpine
+FROM openpitrix/flyway:alpine
 
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+USER root
 RUN apk add --no-cache mysql-client
 
 COPY ./schema /flyway/sql

vendor/openpitrix.io/openpitrix/pkg/db/connection.go

@@ -61,9 +61,11 @@ func FromContext(ctx context.Context) (*Database, bool) {
 
 func (db *Database) New(ctx context.Context) *Conn {
 	actualDb, ok := FromContext(ctx)
-	conn := db.Conn
-	if ok {
+	var conn *dbr.Connection
+	if ok || db == nil {
 		conn = actualDb.Conn
+	} else {
+		conn = db.Conn
 	}
 	return &Conn{
 		Session: conn.NewSession(&EventReceiver{ctx}),

vendor/openpitrix.io/openpitrix/pkg/db/db.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
-	"strings"
 
 	_ "github.com/go-sql-driver/mysql"
 	"github.com/gocraft/dbr"
@@ -91,6 +90,14 @@ func (b *SelectQuery) Join(table, on interface{}) *SelectQuery {
 	b.SelectBuilder.Join(table, on)
 	return b
 }
+func (b *SelectQuery) RightJoin(table, on interface{}) *SelectQuery {
+	b.SelectBuilder.RightJoin(table, on)
+	return b
+}
+func (b *SelectQuery) LeftJoin(table, on interface{}) *SelectQuery {
+	b.SelectBuilder.LeftJoin(table, on)
+	return b
+}
 
 func (b *SelectQuery) JoinAs(table string, alias string, on interface{}) *SelectQuery {
 	b.SelectBuilder.Join(dbr.I(table).As(alias), on)
@@ -143,13 +150,12 @@ func (b *SelectQuery) LoadOne(value interface{}) error {
 }
 
 func getColumns(dbrColumns []interface{}) string {
-	var columns []string
 	for _, column := range dbrColumns {
 		if c, ok := column.(string); ok {
-			columns = append(columns, c)
+			return c
 		}
 	}
-	return strings.Join(columns, ", ")
+	return "*"
 }
 
 func (b *SelectQuery) Count() (count uint32, err error) {