mirror of
https://github.com/Syngnat/GoNavi.git
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71b41459e7
* feat(mongodb-driver,connection-tree): 支持 MongoDB v1/v2 切换并新增复制连接 * fix(mongodb-query): 修复 MongoDB 筛选不生效并兼容 shell 语法执行 refs #153 * fix(query-editor): 修复 SQLServer 自动补全回车重复 dbo 前缀 refs #159 * fix(sqlserver-table-designer): 修复设计表读取列时错误使用 schema 作为数据库名 refs #156 * feat(shortcuts): 增加快捷键设置并支持 SQL 执行/侧边栏搜索 refs #158 * fix(sidebar-search): 优化范围搜索匹配与交互 refs #158 * fix(filter,connection-recovery): 保持筛选状态并修复连接失效卡死 refs #165 同步修复连接失效后侧栏持续转圈、断开后无法恢复的问题 * feat(table-designer): 统一设计表界面风格并优化字段新增交互 - 统一设计表页面与数据面板的视觉风格，覆盖工具栏、Tabs、表格与编辑区域 - 移除默认硬边框，改为透明背景与细分隔线，提升整体观感一致性 - 添加字段后自动滚动到新行并高亮，且自动聚焦输入框 - 新增" 在选中字段后添加\，支持按选中字段位置插入字段 * feat(data-grid-filter): 筛选字段支持快捷搜索 - 在筛选条件字段下拉启用可搜索（showSearch） - 支持字段名大小写不敏感模糊匹配 - 表字段较多时可快速定位目标字段，减少下拉查找耗时 refs #171 * fix(db-ssl): 支持多数据源 SSL/TLS 连接并补齐达梦证书配置 refs #167 * fix(sidebar): 修复数据库加载时 null.map 导致表加载失败 * fix(query-editor): 合并运行按钮并保留 SQL 停止执行入口
760 lines
20 KiB
Go
760 lines
20 KiB
Go
//go:build gonavi_full_drivers || gonavi_kingbase_driver
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package db
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import (
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"context"
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"database/sql"
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"fmt"
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"net"
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"strconv"
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"strings"
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"time"
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"GoNavi-Wails/internal/connection"
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"GoNavi-Wails/internal/logger"
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"GoNavi-Wails/internal/ssh"
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"GoNavi-Wails/internal/utils"
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_ "gitea.com/kingbase/gokb" // Registers "kingbase" driver
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)
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type KingbaseDB struct {
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conn *sql.DB
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pingTimeout time.Duration
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forwarder *ssh.LocalForwarder // Store SSH tunnel forwarder
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}
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func quoteConnValue(v string) string {
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if v == "" {
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return "''"
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}
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needsQuote := false
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for _, r := range v {
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switch r {
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case ' ', '\t', '\n', '\r', '\v', '\f', '\'', '\\':
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needsQuote = true
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}
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if needsQuote {
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break
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}
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}
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if !needsQuote {
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return v
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}
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var b strings.Builder
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b.Grow(len(v) + 2)
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b.WriteByte('\'')
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for _, r := range v {
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if r == '\\' || r == '\'' {
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b.WriteByte('\\')
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}
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b.WriteRune(r)
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}
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b.WriteByte('\'')
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return b.String()
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}
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func (k *KingbaseDB) getDSN(config connection.ConnectionConfig) string {
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// Kingbase DSN usually similar to Postgres:
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// host=localhost port=54321 user=system password=... dbname=TEST sslmode=disable
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address := config.Host
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port := config.Port
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// Construct DSN
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dsn := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s connect_timeout=%d",
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quoteConnValue(address),
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port,
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quoteConnValue(config.User),
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quoteConnValue(config.Password),
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quoteConnValue(config.Database),
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quoteConnValue(resolvePostgresSSLMode(config)),
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getConnectTimeoutSeconds(config),
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)
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return dsn
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}
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func (k *KingbaseDB) Connect(config connection.ConnectionConfig) error {
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runConfig := config
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if config.UseSSH {
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// Create SSH tunnel with local port forwarding
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logger.Infof("人大金仓使用 SSH 连接：地址=%s:%d 用户=%s", config.Host, config.Port, config.User)
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forwarder, err := ssh.GetOrCreateLocalForwarder(config.SSH, config.Host, config.Port)
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if err != nil {
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return fmt.Errorf("创建 SSH 隧道失败：%w", err)
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}
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k.forwarder = forwarder
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// Parse local address
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host, portStr, err := net.SplitHostPort(forwarder.LocalAddr)
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if err != nil {
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return fmt.Errorf("解析本地转发地址失败：%w", err)
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}
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port, err := strconv.Atoi(portStr)
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if err != nil {
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return fmt.Errorf("解析本地端口失败：%w", err)
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}
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// Create a modified config pointing to local forwarder
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localConfig := config
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localConfig.Host = host
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localConfig.Port = port
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localConfig.UseSSH = false
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runConfig = localConfig
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logger.Infof("人大金仓通过本地端口转发连接：%s -> %s:%d", forwarder.LocalAddr, config.Host, config.Port)
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}
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attempts := []connection.ConnectionConfig{runConfig}
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if shouldTrySSLPreferredFallback(runConfig) {
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attempts = append(attempts, withSSLDisabled(runConfig))
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}
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var failures []string
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for idx, attempt := range attempts {
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dsn := k.getDSN(attempt)
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db, err := sql.Open("kingbase", dsn)
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if err != nil {
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failures = append(failures, fmt.Sprintf("第%d次连接打开失败: %v", idx+1, err))
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continue
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}
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k.conn = db
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k.pingTimeout = getConnectTimeout(attempt)
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if err := k.Ping(); err != nil {
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_ = db.Close()
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k.conn = nil
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failures = append(failures, fmt.Sprintf("第%d次连接验证失败: %v", idx+1, err))
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continue
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}
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if idx > 0 {
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logger.Warnf("人大金仓 SSL 优先连接失败，已回退至明文连接")
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}
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return nil
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}
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return fmt.Errorf("连接建立后验证失败：%s", strings.Join(failures, "；"))
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}
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func (k *KingbaseDB) Close() error {
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// Close SSH forwarder first if exists
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if k.forwarder != nil {
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if err := k.forwarder.Close(); err != nil {
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logger.Warnf("关闭人大金仓 SSH 端口转发失败：%v", err)
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}
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k.forwarder = nil
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}
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// Then close database connection
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if k.conn != nil {
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return k.conn.Close()
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}
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return nil
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}
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func (k *KingbaseDB) Ping() error {
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if k.conn == nil {
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return fmt.Errorf("connection not open")
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}
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timeout := k.pingTimeout
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if timeout <= 0 {
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timeout = 5 * time.Second
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}
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ctx, cancel := utils.ContextWithTimeout(timeout)
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defer cancel()
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return k.conn.PingContext(ctx)
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}
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func (k *KingbaseDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
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if k.conn == nil {
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return nil, nil, fmt.Errorf("connection not open")
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}
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rows, err := k.conn.QueryContext(ctx, query)
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if err != nil {
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return nil, nil, err
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}
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defer rows.Close()
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return scanRows(rows)
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}
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func (k *KingbaseDB) Query(query string) ([]map[string]interface{}, []string, error) {
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if k.conn == nil {
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return nil, nil, fmt.Errorf("connection not open")
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}
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rows, err := k.conn.Query(query)
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if err != nil {
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return nil, nil, err
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}
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defer rows.Close()
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return scanRows(rows)
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}
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func (k *KingbaseDB) ExecContext(ctx context.Context, query string) (int64, error) {
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if k.conn == nil {
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return 0, fmt.Errorf("connection not open")
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}
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res, err := k.conn.ExecContext(ctx, query)
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if err != nil {
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return 0, err
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}
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return res.RowsAffected()
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}
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func (k *KingbaseDB) Exec(query string) (int64, error) {
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if k.conn == nil {
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return 0, fmt.Errorf("connection not open")
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}
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res, err := k.conn.Exec(query)
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if err != nil {
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return 0, err
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}
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return res.RowsAffected()
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}
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func (k *KingbaseDB) GetDatabases() ([]string, error) {
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// Postgres/Kingbase style
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data, _, err := k.Query("SELECT datname FROM pg_database WHERE datistemplate = false")
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if err != nil {
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return nil, err
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}
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var dbs []string
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for _, row := range data {
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if val, ok := row["datname"]; ok {
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dbs = append(dbs, fmt.Sprintf("%v", val))
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}
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}
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return dbs, nil
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}
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func (k *KingbaseDB) GetTables(dbName string) ([]string, error) {
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// Kingbase: tables are scoped by the current DB connection; include schema to avoid search_path issues.
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query := `
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SELECT table_schema AS schemaname, table_name AS tablename
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FROM information_schema.tables
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WHERE table_type = 'BASE TABLE'
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AND table_schema NOT IN ('pg_catalog', 'information_schema')
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AND table_schema NOT LIKE 'pg_%'
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ORDER BY table_schema, table_name`
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data, _, err := k.Query(query)
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if err != nil {
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return nil, err
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}
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var tables []string
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for _, row := range data {
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schema, okSchema := row["schemaname"]
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name, okName := row["tablename"]
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if okSchema && okName {
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tables = append(tables, fmt.Sprintf("%v.%v", schema, name))
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continue
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}
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if val, ok := row["table_name"]; ok {
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tables = append(tables, fmt.Sprintf("%v", val))
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}
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}
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return tables, nil
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}
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func (k *KingbaseDB) GetCreateStatement(dbName, tableName string) (string, error) {
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// Kingbase doesn't have "SHOW CREATE TABLE".
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// We can try pg_dump logic or use a query to reconstruction.
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// A simple approach is just returning basic info or "Not Supported".
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// Or we can query information_schema to build it.
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return "SHOW CREATE TABLE not directly supported in Kingbase/Postgres via SQL", nil
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}
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func (k *KingbaseDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
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// 解析 schema.table 格式
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schema := strings.TrimSpace(dbName)
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table := strings.TrimSpace(tableName)
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// 如果 tableName 包含 schema (格式: schema.table)
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if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
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parsedSchema := strings.TrimSpace(parts[0])
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parsedTable := strings.TrimSpace(parts[1])
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if parsedSchema != "" && parsedTable != "" {
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schema = parsedSchema
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table = parsedTable
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}
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}
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// 如果仍然没有 schema,使用 current_schema()
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// 这样可以自动匹配当前连接的 search_path
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if schema == "" {
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return k.getColumnsWithCurrentSchema(table)
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}
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if table == "" {
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return nil, fmt.Errorf("table name required")
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}
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// 转义函数:处理单引号,移除双引号
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esc := func(s string) string {
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// 移除前后的双引号(如果存在)
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s = strings.Trim(s, "\"")
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// 转义单引号
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return strings.ReplaceAll(s, "'", "''")
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}
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query := fmt.Sprintf(`SELECT column_name, data_type, is_nullable, column_default
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FROM information_schema.columns
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WHERE table_schema = '%s' AND table_name = '%s'
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ORDER BY ordinal_position`, esc(schema), esc(table))
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data, _, err := k.Query(query)
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if err != nil {
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return nil, err
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}
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var columns []connection.ColumnDefinition
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for _, row := range data {
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col := connection.ColumnDefinition{
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Name: fmt.Sprintf("%v", row["column_name"]),
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Type: fmt.Sprintf("%v", row["data_type"]),
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Nullable: fmt.Sprintf("%v", row["is_nullable"]),
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}
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if row["column_default"] != nil {
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def := fmt.Sprintf("%v", row["column_default"])
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col.Default = &def
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}
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columns = append(columns, col)
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}
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return columns, nil
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}
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// getColumnsWithCurrentSchema 使用 current_schema() 查询当前schema的表
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func (k *KingbaseDB) getColumnsWithCurrentSchema(tableName string) ([]connection.ColumnDefinition, error) {
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table := strings.TrimSpace(tableName)
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if table == "" {
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return nil, fmt.Errorf("table name required")
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}
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// 转义函数
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esc := func(s string) string {
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s = strings.Trim(s, "\"")
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return strings.ReplaceAll(s, "'", "''")
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}
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// 使用 current_schema() 获取当前schema
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query := fmt.Sprintf(`SELECT column_name, data_type, is_nullable, column_default
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FROM information_schema.columns
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WHERE table_schema = current_schema() AND table_name = '%s'
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ORDER BY ordinal_position`, esc(table))
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data, _, err := k.Query(query)
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if err != nil {
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return nil, err
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}
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var columns []connection.ColumnDefinition
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for _, row := range data {
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col := connection.ColumnDefinition{
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Name: fmt.Sprintf("%v", row["column_name"]),
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Type: fmt.Sprintf("%v", row["data_type"]),
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Nullable: fmt.Sprintf("%v", row["is_nullable"]),
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}
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if row["column_default"] != nil {
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def := fmt.Sprintf("%v", row["column_default"])
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col.Default = &def
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}
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columns = append(columns, col)
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}
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return columns, nil
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}
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func (k *KingbaseDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
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// 解析 schema.table 格式
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schema := strings.TrimSpace(dbName)
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table := strings.TrimSpace(tableName)
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// 如果 tableName 包含 schema (格式: schema.table)
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if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
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parsedSchema := strings.TrimSpace(parts[0])
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parsedTable := strings.TrimSpace(parts[1])
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if parsedSchema != "" && parsedTable != "" {
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schema = parsedSchema
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table = parsedTable
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}
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}
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if table == "" {
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return nil, fmt.Errorf("table name required")
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}
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// 转义函数:处理单引号,移除双引号
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esc := func(s string) string {
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s = strings.Trim(s, "\"")
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return strings.ReplaceAll(s, "'", "''")
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}
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// 构建查询：如果没有指定schema,使用current_schema()
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var query string
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if schema != "" {
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query = fmt.Sprintf(`
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SELECT
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i.relname as index_name,
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a.attname as column_name,
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ix.indisunique as is_unique
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FROM
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pg_class t,
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pg_class i,
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pg_index ix,
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pg_attribute a,
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pg_namespace n
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WHERE
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t.oid = ix.indrelid
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AND i.oid = ix.indexrelid
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AND a.attrelid = t.oid
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AND a.attnum = ANY(ix.indkey)
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AND t.relkind = 'r'
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AND t.relname = '%s'
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AND n.oid = t.relnamespace
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AND n.nspname = '%s'
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`, esc(table), esc(schema))
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} else {
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query = fmt.Sprintf(`
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SELECT
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i.relname as index_name,
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a.attname as column_name,
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ix.indisunique as is_unique
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FROM
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pg_class t,
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pg_class i,
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pg_index ix,
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pg_attribute a,
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pg_namespace n
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WHERE
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t.oid = ix.indrelid
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AND i.oid = ix.indexrelid
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AND a.attrelid = t.oid
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AND a.attnum = ANY(ix.indkey)
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AND t.relkind = 'r'
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AND t.relname = '%s'
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AND n.oid = t.relnamespace
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AND n.nspname = current_schema()
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`, esc(table))
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}
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data, _, err := k.Query(query)
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if err != nil {
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return nil, err
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}
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var indexes []connection.IndexDefinition
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for _, row := range data {
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nonUnique := 1
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if val, ok := row["is_unique"]; ok {
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if b, ok := val.(bool); ok && b {
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nonUnique = 0
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}
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}
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idx := connection.IndexDefinition{
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Name: fmt.Sprintf("%v", row["index_name"]),
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ColumnName: fmt.Sprintf("%v", row["column_name"]),
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NonUnique: nonUnique,
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IndexType: "BTREE", // Default
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}
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indexes = append(indexes, idx)
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}
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return indexes, nil
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}
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func (k *KingbaseDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
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// 解析 schema.table 格式
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schema := strings.TrimSpace(dbName)
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table := strings.TrimSpace(tableName)
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// 如果 tableName 包含 schema (格式: schema.table)
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if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
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parsedSchema := strings.TrimSpace(parts[0])
|
||
parsedTable := strings.TrimSpace(parts[1])
|
||
if parsedSchema != "" && parsedTable != "" {
|
||
schema = parsedSchema
|
||
table = parsedTable
|
||
}
|
||
}
|
||
|
||
if table == "" {
|
||
return nil, fmt.Errorf("table name required")
|
||
}
|
||
|
||
// 转义函数:处理单引号,移除双引号
|
||
esc := func(s string) string {
|
||
s = strings.Trim(s, "\"")
|
||
return strings.ReplaceAll(s, "'", "''")
|
||
}
|
||
|
||
// 构建查询：如果没有指定schema,使用current_schema()
|
||
var query string
|
||
if schema != "" {
|
||
query = fmt.Sprintf(`
|
||
SELECT
|
||
tc.constraint_name,
|
||
kcu.column_name,
|
||
ccu.table_name AS foreign_table_name,
|
||
ccu.column_name AS foreign_column_name
|
||
FROM
|
||
information_schema.table_constraints AS tc
|
||
JOIN information_schema.key_column_usage AS kcu
|
||
ON tc.constraint_name = kcu.constraint_name
|
||
AND tc.table_schema = kcu.table_schema
|
||
JOIN information_schema.constraint_column_usage AS ccu
|
||
ON ccu.constraint_name = tc.constraint_name
|
||
AND ccu.table_schema = tc.table_schema
|
||
WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_name='%s' AND tc.table_schema='%s'`,
|
||
esc(table), esc(schema))
|
||
} else {
|
||
query = fmt.Sprintf(`
|
||
SELECT
|
||
tc.constraint_name,
|
||
kcu.column_name,
|
||
ccu.table_name AS foreign_table_name,
|
||
ccu.column_name AS foreign_column_name
|
||
FROM
|
||
information_schema.table_constraints AS tc
|
||
JOIN information_schema.key_column_usage AS kcu
|
||
ON tc.constraint_name = kcu.constraint_name
|
||
AND tc.table_schema = kcu.table_schema
|
||
JOIN information_schema.constraint_column_usage AS ccu
|
||
ON ccu.constraint_name = tc.constraint_name
|
||
AND ccu.table_schema = tc.table_schema
|
||
WHERE tc.constraint_type = 'FOREIGN KEY' AND tc.table_name='%s' AND tc.table_schema=current_schema()`,
|
||
esc(table))
|
||
}
|
||
|
||
data, _, err := k.Query(query)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var fks []connection.ForeignKeyDefinition
|
||
for _, row := range data {
|
||
fk := connection.ForeignKeyDefinition{
|
||
Name: fmt.Sprintf("%v", row["constraint_name"]),
|
||
ColumnName: fmt.Sprintf("%v", row["column_name"]),
|
||
RefTableName: fmt.Sprintf("%v", row["foreign_table_name"]),
|
||
RefColumnName: fmt.Sprintf("%v", row["foreign_column_name"]),
|
||
ConstraintName: fmt.Sprintf("%v", row["constraint_name"]),
|
||
}
|
||
fks = append(fks, fk)
|
||
}
|
||
return fks, nil
|
||
}
|
||
|
||
func (k *KingbaseDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
|
||
// 解析 schema.table 格式
|
||
schema := strings.TrimSpace(dbName)
|
||
table := strings.TrimSpace(tableName)
|
||
|
||
// 如果 tableName 包含 schema (格式: schema.table)
|
||
if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
|
||
parsedSchema := strings.TrimSpace(parts[0])
|
||
parsedTable := strings.TrimSpace(parts[1])
|
||
if parsedSchema != "" && parsedTable != "" {
|
||
schema = parsedSchema
|
||
table = parsedTable
|
||
}
|
||
}
|
||
|
||
if table == "" {
|
||
return nil, fmt.Errorf("table name required")
|
||
}
|
||
|
||
// 转义函数:处理单引号,移除双引号
|
||
esc := func(s string) string {
|
||
s = strings.Trim(s, "\"")
|
||
return strings.ReplaceAll(s, "'", "''")
|
||
}
|
||
|
||
// 构建查询：如果指定了schema,也加上schema条件
|
||
var query string
|
||
if schema != "" {
|
||
query = fmt.Sprintf(`SELECT trigger_name, action_timing, event_manipulation
|
||
FROM information_schema.triggers
|
||
WHERE event_object_table = '%s' AND event_object_schema = '%s'`,
|
||
esc(table), esc(schema))
|
||
} else {
|
||
query = fmt.Sprintf(`SELECT trigger_name, action_timing, event_manipulation
|
||
FROM information_schema.triggers
|
||
WHERE event_object_table = '%s' AND event_object_schema = current_schema()`,
|
||
esc(table))
|
||
}
|
||
|
||
data, _, err := k.Query(query)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var triggers []connection.TriggerDefinition
|
||
for _, row := range data {
|
||
trig := connection.TriggerDefinition{
|
||
Name: fmt.Sprintf("%v", row["trigger_name"]),
|
||
Timing: fmt.Sprintf("%v", row["action_timing"]),
|
||
Event: fmt.Sprintf("%v", row["event_manipulation"]),
|
||
Statement: "SOURCE HIDDEN",
|
||
}
|
||
triggers = append(triggers, trig)
|
||
}
|
||
return triggers, nil
|
||
}
|
||
|
||
func (k *KingbaseDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
|
||
if k.conn == nil {
|
||
return fmt.Errorf("connection not open")
|
||
}
|
||
|
||
tx, err := k.conn.Begin()
|
||
if err != nil {
|
||
return err
|
||
}
|
||
defer tx.Rollback()
|
||
|
||
quoteIdent := func(name string) string {
|
||
n := strings.TrimSpace(name)
|
||
n = strings.Trim(n, "\"")
|
||
n = strings.ReplaceAll(n, "\"", "\"\"")
|
||
if n == "" {
|
||
return "\"\""
|
||
}
|
||
return `"` + n + `"`
|
||
}
|
||
|
||
schema := ""
|
||
table := strings.TrimSpace(tableName)
|
||
if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
|
||
schema = strings.TrimSpace(parts[0])
|
||
table = strings.TrimSpace(parts[1])
|
||
}
|
||
|
||
qualifiedTable := ""
|
||
if schema != "" {
|
||
qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
|
||
} else {
|
||
qualifiedTable = quoteIdent(table)
|
||
}
|
||
|
||
// 1. Deletes
|
||
for _, pk := range changes.Deletes {
|
||
var wheres []string
|
||
var args []interface{}
|
||
idx := 0
|
||
for k, v := range pk {
|
||
idx++
|
||
wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
|
||
args = append(args, v)
|
||
}
|
||
if len(wheres) == 0 {
|
||
continue
|
||
}
|
||
query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
|
||
if _, err := tx.Exec(query, args...); err != nil {
|
||
return fmt.Errorf("delete error: %v", err)
|
||
}
|
||
}
|
||
|
||
// 2. Updates
|
||
for _, update := range changes.Updates {
|
||
var sets []string
|
||
var args []interface{}
|
||
idx := 0
|
||
|
||
for k, v := range update.Values {
|
||
idx++
|
||
sets = append(sets, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
|
||
args = append(args, v)
|
||
}
|
||
|
||
if len(sets) == 0 {
|
||
continue
|
||
}
|
||
|
||
var wheres []string
|
||
for k, v := range update.Keys {
|
||
idx++
|
||
wheres = append(wheres, fmt.Sprintf("%s = $%d", quoteIdent(k), idx))
|
||
args = append(args, v)
|
||
}
|
||
|
||
if len(wheres) == 0 {
|
||
return fmt.Errorf("update requires keys")
|
||
}
|
||
|
||
query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
|
||
if _, err := tx.Exec(query, args...); err != nil {
|
||
return fmt.Errorf("update error: %v", err)
|
||
}
|
||
}
|
||
|
||
// 3. Inserts
|
||
for _, row := range changes.Inserts {
|
||
var cols []string
|
||
var placeholders []string
|
||
var args []interface{}
|
||
idx := 0
|
||
|
||
for k, v := range row {
|
||
idx++
|
||
cols = append(cols, quoteIdent(k))
|
||
placeholders = append(placeholders, fmt.Sprintf("$%d", idx))
|
||
args = append(args, v)
|
||
}
|
||
|
||
if len(cols) == 0 {
|
||
continue
|
||
}
|
||
|
||
query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
|
||
if _, err := tx.Exec(query, args...); err != nil {
|
||
return fmt.Errorf("insert error: %v", err)
|
||
}
|
||
}
|
||
|
||
return tx.Commit()
|
||
}
|
||
|
||
func (k *KingbaseDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
|
||
// dbName 在本项目语义里是“数据库”，schema 由 table_schema 决定；这里返回全部用户 schema 的列用于查询提示。
|
||
query := `
|
||
SELECT table_schema, table_name, column_name, data_type
|
||
FROM information_schema.columns
|
||
WHERE table_schema NOT IN ('pg_catalog', 'information_schema')
|
||
AND table_schema NOT LIKE 'pg_%'
|
||
ORDER BY table_schema, table_name, ordinal_position`
|
||
|
||
data, _, err := k.Query(query)
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
|
||
var cols []connection.ColumnDefinitionWithTable
|
||
for _, row := range data {
|
||
schema := fmt.Sprintf("%v", row["table_schema"])
|
||
table := fmt.Sprintf("%v", row["table_name"])
|
||
tableName := table
|
||
if strings.TrimSpace(schema) != "" {
|
||
tableName = fmt.Sprintf("%s.%s", schema, table)
|
||
}
|
||
col := connection.ColumnDefinitionWithTable{
|
||
TableName: tableName,
|
||
Name: fmt.Sprintf("%v", row["column_name"]),
|
||
Type: fmt.Sprintf("%v", row["data_type"]),
|
||
}
|
||
cols = append(cols, col)
|
||
}
|
||
return cols, nil
|
||
}
|