!124 一些更新和bug

* fix: 代码合并
* feat:支持数据库版本兼容，目前兼容了oracle11g部分特性
* fix: 修改数据同步bug，数据sql里指定修改字段别，导致未正确记录修改字段值
* feat: 数据库迁移支持定时迁移和迁移到sql文件

server/pkg/utils/writer/file_writer.go

@@ -0,0 +1,51 @@
+package writer
+
+import (
+	"io"
+	"os"
+	"path/filepath"
+)
+
+type FileWriter struct {
+	tryFlushCount int
+	writer        *os.File
+	aborted       bool
+}
+
+func NewFileWriter(filePath string) *FileWriter {
+	if filePath == "" {
+		panic("filePath is empty")
+	}
+
+	// 使用filepath.Dir函数提取文件夹路径
+	dir := filepath.Dir(filePath)
+	if dir != "" {
+		// 检查文件夹路径，不存在则创建
+		if _, err := os.Stat(dir); os.IsNotExist(err) {
+			err = os.MkdirAll(dir, os.ModePerm)
+			if err != nil {
+				panic(err)
+			}
+		}
+	}
+
+	fw, err := os.Create(filePath)
+	if err != nil {
+		panic(err)
+	}
+	return &FileWriter{writer: fw}
+}
+
+func (f *FileWriter) Close() {
+	f.writer.Close()
+}
+
+func (f *FileWriter) TryFlush() {
+}
+func (f *FileWriter) Write(b []byte) (n int, err error) {
+	return f.writer.Write(b)
+}
+
+func (f *FileWriter) WriteString(data string) {
+	io.WriteString(f.writer, data)
+}

server/pkg/utils/writer/gzip_writer.go

@@ -0,0 +1,50 @@
+package writer
+
+import (
+	"compress/gzip"
+	"io"
+	"mayfly-go/pkg/biz"
+)
+
+type GzipWriter struct {
+	tryFlushCount int
+	writer        *gzip.Writer
+	aborted       bool
+}
+
+func NewGzipWriter(writer io.Writer) *GzipWriter {
+	return &GzipWriter{writer: gzip.NewWriter(writer)}
+}
+
+func (g *GzipWriter) WriteString(data string) {
+	if g.aborted {
+		return
+	}
+	if _, err := g.writer.Write([]byte(data)); err != nil {
+		g.aborted = true
+		biz.IsTrue(false, "数据库导出失败：%s", err)
+	}
+}
+
+func (g *GzipWriter) Write(p []byte) (n int, err error) {
+	if g.aborted {
+		return
+	}
+
+	if _, err := g.writer.Write(p); err != nil {
+		g.aborted = true
+		biz.IsTrue(false, "数据库导出失败：%s", err)
+	}
+	return
+}
+
+func (g *GzipWriter) Close() {
+	g.writer.Close()
+}
+
+func (g *GzipWriter) TryFlush() {
+	if g.tryFlushCount%1000 == 0 {
+		g.writer.Flush()
+	}
+	g.tryFlushCount += 1
+}

server/pkg/utils/writer/writer.go

@@ -0,0 +1,10 @@
+package writer
+
+import "io"
+
+type CustomWriter interface {
+	io.Writer
+	WriteString(data string)
+	Close()
+	TryFlush()
+}