迁出网站监控表、新增西部数码和火山引擎dns

This commit is contained in:
zhangchenhao
2025-05-16 11:26:36 +08:00
parent 3388c29018
commit 51af18ba52
9 changed files with 833 additions and 49 deletions

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package sqlite_migrate
import (
"fmt"
"os"
"testing"
)
func Test(t *testing.T) {
err := os.Chdir("D:/code/ALLinSSL")
if err != nil {
fmt.Fprintf(os.Stderr, "切换目录失败: %v\n", err)
os.Exit(1)
}
err = EnsureDatabaseWithTables(
"data/111.db",
"data/data.db",
[]string{"1111"}, // 你要迁移的表
)
if err != nil {
fmt.Println("错误:", err)
}
}

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package sqlite_migrate
import (
"database/sql"
"fmt"
"os"
_ "modernc.org/sqlite" // 使用 pure Go 实现的 SQLite 驱动
)
func EnsureDatabaseWithTables(targetDBPath string, baseDBPath string, tables []string) error {
// 1. 检查数据库是否存在
if _, err := os.Stat(targetDBPath); err == nil {
fmt.Printf("数据库 %s 已存在,跳过迁移。\n", targetDBPath)
return nil
}
fmt.Printf("数据库 %s 不存在,开始从基础数据库迁移表...\n", targetDBPath)
// 2. 打开源数据库(只读)和目标数据库(新建)
baseDB, err := sql.Open("sqlite", baseDBPath)
if err != nil {
return fmt.Errorf("打开基础数据库失败: %v", err)
}
defer baseDB.Close()
targetDB, err := sql.Open("sqlite", targetDBPath)
if err != nil {
return fmt.Errorf("创建目标数据库失败: %v", err)
}
defer targetDB.Close()
for _, table := range tables {
// 2.1 获取建表语句
var createSQL string
query := "SELECT sql FROM sqlite_master WHERE type='table' AND name=?"
err = baseDB.QueryRow(query, table).Scan(&createSQL)
if err != nil {
return fmt.Errorf("获取表 %s 的结构失败: %v", table, err)
}
// 2.2 在目标库中创建表
_, err = targetDB.Exec(createSQL)
if err != nil {
return fmt.Errorf("创建表 %s 失败: %v", table, err)
}
// 2.3 从基础库读取数据并插入目标库
rows, err := baseDB.Query(fmt.Sprintf("SELECT * FROM %s", table))
if err != nil {
return fmt.Errorf("读取表 %s 数据失败: %v", table, err)
}
cols, _ := rows.Columns()
values := make([]interface{}, len(cols))
valuePtrs := make([]interface{}, len(cols))
tx, _ := targetDB.Begin()
stmt, _ := tx.Prepare(buildInsertSQL(table, len(cols)))
for rows.Next() {
for i := range values {
valuePtrs[i] = &values[i]
}
rows.Scan(valuePtrs...)
stmt.Exec(values...)
}
stmt.Close()
tx.Commit()
rows.Close()
}
fmt.Println("迁移完成。")
return nil
}
func buildInsertSQL(table string, numCols int) string {
placeholders := make([]string, numCols)
for i := range placeholders {
placeholders[i] = "?"
}
return fmt.Sprintf("INSERT INTO %s VALUES (%s)", table, joinStrings(placeholders, ","))
}
func joinStrings(strs []string, sep string) string {
result := ""
for i, s := range strs {
if i > 0 {
result += sep
}
result += s
}
return result
}
// 示例用法
func main() {
err := EnsureDatabaseWithTables(
"./target.db",
"./base.db",
[]string{"users", "products"}, // 你要迁移的表
)
if err != nil {
fmt.Println("错误:", err)
}
}