llvy.ltd/casdoor
1
0
Fork 0
mirror of https://github.com/casdoor/casdoor.git synced 2025-07-15 06:23:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

feat: add bi-sync module (#1617)

Browse Source 
* feat: add sync module to bi-sync mysql

* feat: fix the delay problem

* feat: fix go mod

* feat: fix the varchar(100) parse error

* fix: fix go.mod space inconsistency

* fix: fix go.mod space inconsistency

* fix: use sql builder instead of concatenation

* fix: remove serverId

* fix: fix file is not `gofumpt`-ed (gofumpt) error

* feat: add mysql bi-sync

* feat: fix some data inconsistency problems

* feat: add function atuo get server uuid

* fix: encapsulate the struct to optimize the code
This commit is contained in:
longxu0509
2023-03-06 11:39:41 +08:00
committed by GitHub
parent 9d55238cef
commit fea2a8cdbe
2 changed files with 141 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
sync/utils.go
View File

@ -15,20 +15,24 @@
package sync
import (
"fmt"
"log"
"strconv"
"github.com/go-mysql-org/go-mysql/canal"
"github.com/Masterminds/squirrel"
"github.com/xorm-io/xorm"
)
func GetUpdateSql(schemaName string, tableName string, columnNames []string, newColumnVal []interface{}, oldColumnVal []interface{}) (string, []interface{}, error) {
func GetUpdateSql(schemaName string, tableName string, columnNames []string, newColumnVal []interface{}, pkColumnNames []string, pkColumnValue []interface{}) (string, []interface{}, error) {
updateSql := squirrel.Update(schemaName + "." + tableName)
for i, columnName := range columnNames {
updateSql = updateSql.Set(columnName, newColumnVal[i])
}
for i, columnName := range columnNames {
updateSql = updateSql.Where(squirrel.Eq{columnName: oldColumnVal[i]})
for i, pkColumnName := range pkColumnNames {
updateSql = updateSql.Where(squirrel.Eq{pkColumnName: pkColumnValue[i]})
}
sql, args, err := updateSql.ToSql()
@ -45,11 +49,11 @@ func GetInsertSql(schemaName string, tableName string, columnNames []string, col
return insertSql.ToSql()
}
func GetDeleteSql(schemaName string, tableName string, columnNames []string, columnValue []interface{}) (string, []interface{}, error) {
func GetDeleteSql(schemaName string, tableName string, pkColumnNames []string, pkColumnValue []interface{}) (string, []interface{}, error) {
deleteSql := squirrel.Delete(schemaName + "." + tableName)
for i, columnName := range columnNames {
deleteSql = deleteSql.Where(squirrel.Eq{columnName: columnValue[i]})
for i, columnName := range pkColumnNames {
deleteSql = deleteSql.Where(squirrel.Eq{columnName: pkColumnValue[i]})
}
return deleteSql.ToSql()
@ -70,3 +74,57 @@ func CreateEngine(dataSourceName string) (*xorm.Engine, error) {
log.Println("mysql connection success……")
return engine, nil
}
func GetServerId(engin *xorm.Engine) (uint32, error) {
res, err := engin.QueryInterface("SELECT @@server_id")
if err != nil {
return 0, err
}
serverId, _ := strconv.ParseUint(fmt.Sprintf("%s", res[0]["@@server_id"]), 10, 32)
return uint32(serverId), nil
}
func GetServerUUID(engin *xorm.Engine) (string, error) {
res, err := engin.QueryString("show variables like 'server_uuid'")
if err != nil {
return "", err
}
serverUUID := fmt.Sprintf("%s", res[0]["Value"])
return serverUUID, err
}
func GetPKColumnNames(columnNames []string, PKColumns []int) []string {
pkColumnNames := make([]string, len(PKColumns))
for i, index := range PKColumns {
pkColumnNames[i] = columnNames[index]
}
return pkColumnNames
}
func GetPKColumnValues(columnValues []interface{}, PKColumns []int) []interface{} {
pkColumnNames := make([]interface{}, len(PKColumns))
for i, index := range PKColumns {
pkColumnNames[i] = columnValues[index]
}
return pkColumnNames
}
func GetCanalConfig(username string, password string, host string, port int, database string) *canal.Config {
// config canal
cfg := canal.NewDefaultConfig()
cfg.Addr = fmt.Sprintf("%s:%d", host, port)
cfg.Password = password
cfg.User = username
// We only care table in database1
cfg.Dump.TableDB = database
return cfg
}
func GetMyEventHandler(username string, password string, host string, port int, database string) MyEventHandler {
var eventHandler MyEventHandler
eventHandler.dataSourceName = fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", username, password, host, port, database)
eventHandler.engine, _ = CreateEngine(eventHandler.dataSourceName)
eventHandler.serverId, _ = GetServerId(eventHandler.engine)
eventHandler.serverUUID, _ = GetServerUUID(eventHandler.engine)
return eventHandler
}