refactor(exporter): 重构SQL构建逻辑以支持多数据源

将SQL构建逻辑重构为基于schema接口的实现，支持不同数据源的字段映射和表连接
修复重复转换行数据的问题
公开Whitelist和FieldLabels函数以供外部调用

server/internal/api/exports.go

@@ -96,7 +96,7 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 	}
 	var fs []string
 	json.Unmarshal(fields, &fs)
-    wl := whitelist()
+	wl := Whitelist()
 	req := exporter.BuildRequest{MainTable: main, Datasource: ds, Fields: fs, Filters: p.Filters}
 	q, args, err := exporter.BuildSQL(req, wl)
 	if err != nil {
@@ -138,7 +138,7 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 			}
 		}
 	}()
-	labels := fieldLabels()
+	labels := FieldLabels()
 	hdrs := make([]string, len(fs))
 	for i, tf := range fs {
 		if v, ok := labels[tf]; ok {
@@ -150,7 +150,9 @@ func (a *ExportsAPI) create(w http.ResponseWriter, r *http.Request) {
 	// owner from query userId if provided
 	owner := uint64(0)
 	if uidStr := r.URL.Query().Get("userId"); uidStr != "" {
-        if n, err := strconv.ParseUint(uidStr, 10, 64); err == nil { owner = n }
+		if n, err := strconv.ParseUint(uidStr, 10, 64); err == nil {
+			owner = n
+		}
 	}
 	ejSQL := "INSERT INTO export_jobs (template_id, status, requested_by, owner_id, permission_scope_json, filters_json, options_json, explain_json, explain_score, row_estimate, file_format, created_at, updated_at) VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?)"
 	ejArgs := []interface{}{p.TemplateID, "queued", p.RequestedBy, owner, toJSON(p.Permission), toJSON(p.Filters), toJSON(p.Options), toJSON(expRows), score, estimate, p.FileFormat, time.Now(), time.Now()}
@@ -191,7 +193,7 @@ func (a *ExportsAPI) runJob(id uint64, db *sql.DB, q string, args []interface{},
 			var fl map[string]interface{}
 			json.Unmarshal(fieldsJSON, &fs)
 			json.Unmarshal(filtersJSON, &fl)
-			wl := whitelist()
+			wl := Whitelist()
 			var chunks [][2]string
 			if v, ok := fl["create_time_between"]; ok {
 				if arr, ok2 := v.([]interface{}); ok2 && len(arr) == 2 {
@@ -244,9 +246,6 @@ func (a *ExportsAPI) runJob(id uint64, db *sql.DB, q string, args []interface{},
 								}
 							}
 							vals = transformRow(fs, vals)
-							vals = transformRow(fields, vals)
-							vals = transformRow(fields, vals)
-							vals = transformRow(fields, vals)
 							w.WriteRow(vals)
 							count++
 							partCount++
@@ -525,7 +524,7 @@ func (a *ExportsAPI) runJob(id uint64, db *sql.DB, q string, args []interface{},
 			var fl map[string]interface{}
 			json.Unmarshal(fieldsJSON, &fs)
 			json.Unmarshal(filtersJSON, &fl)
-			wl := whitelist()
+			wl := Whitelist()
 			var chunks [][2]string
 			if v, ok := fl["create_time_between"]; ok {
 				if arr, ok2 := v.([]interface{}); ok2 && len(arr) == 2 {
@@ -578,10 +577,6 @@ func (a *ExportsAPI) runJob(id uint64, db *sql.DB, q string, args []interface{},
 								}
 							}
 							vals = transformRow(fs, vals)
-							vals = transformRow(fs, vals)
-							vals = transformRow(fs, vals)
-							vals = transformRow(fs, vals)
-							vals = transformRow(fields, vals)
 							x.WriteRow(vals)
 							count++
 							partCount++
@@ -804,7 +799,7 @@ func (a *ExportsAPI) getSQL(w http.ResponseWriter, r *http.Request, id string) {
 	var fl map[string]interface{}
 	json.Unmarshal(fields, &fs)
 	json.Unmarshal(filters, &fl)
-    wl := whitelist()
+	wl := Whitelist()
 	req := exporter.BuildRequest{MainTable: main, Datasource: ds, Fields: fs, Filters: fl}
 	q, args, err := exporter.BuildSQL(req, wl)
 	if err != nil {

server/internal/api/templates.go

@@ -238,7 +238,7 @@ func fromJSON(b []byte) interface{} {
 	return v
 }
 
-func whitelist() map[string]bool {
+func Whitelist() map[string]bool {
     m := map[string]bool{
         "order.order_number":                true,
         "order.key":                         true,
@@ -460,7 +460,7 @@ func whitelist() map[string]bool {
     return m
 }
 
-func fieldLabels() map[string]string {
+func FieldLabels() map[string]string {
     return map[string]string{
         "order.order_number":                "订单编号",
         "order.key":                         "KEY",

server/internal/exporter/sqlbuilder.go

@@ -3,6 +3,8 @@ package exporter
 import (
     "encoding/json"
     "errors"
+    "fmt"
+    "marketing-system-data-tool/server/internal/schema"
     "strconv"
     "strings"
 )
@@ -18,6 +20,7 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if req.MainTable != "order" && req.MainTable != "order_info" {
         return "", nil, errors.New("unsupported main table")
     }
+    sch := schema.Get(req.Datasource, req.MainTable)
     cols := []string{}
     need := map[string]bool{}
     for _, tf := range req.Fields {
@@ -30,56 +33,52 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
         }
         t, f := parts[0], parts[1]
         need[t] = true
-        if t == "order" {
+        mt := sch.TableName(t)
-            if req.MainTable == "order_info" {
+        mf, _ := sch.MapField(t, f)
-                switch f {
+        if t == "order" && req.MainTable == "order" {
-                case "order_number": f = "order_no"
+            if f == "status" {
-                case "key": f = "key_code"
+                cols = append(cols, "CASE `order`.type WHEN 1 THEN '直充卡密' WHEN 2 THEN '立减金' WHEN 3 THEN '红包' ELSE '' END AS type")
-                case "creator": f = "user_id"
+                cols = append(cols, "CASE `order`.status WHEN 0 THEN '待充值' WHEN 1 THEN '充值中' WHEN 2 THEN '已完成' WHEN 3 THEN '充值失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '待支付' END AS status")
-                case "out_trade_no": f = "out_order_no"
-                case "plan_id": f = "activity_id"
-                case "reseller_id": f = "merchant_id"
-                case "product_id": f = "goods_id"
-                case "pay_amount": f = "pay_price"
-                case "key_batch_id": f = "key_batch_name"
-                }
-                cols = append(cols, "`order_info`."+escape(f))
                 continue
             }
-            if f == "status" {
+            if f == "type" {
-                cols = append(cols, "CASE `order`.type " +
-                    "WHEN 1 THEN (CASE `order`.status WHEN 0 THEN '待充值' WHEN 1 THEN '充值中' WHEN 2 THEN '已完成' WHEN 3 THEN '充值失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '待支付' END) " +
-                    "WHEN 2 THEN (CASE `order`.status WHEN 0 THEN '待领取' WHEN 1 THEN '待领取' WHEN 2 THEN '已领取' WHEN 3 THEN '领取失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '待支付' END) " +
-                    "WHEN 3 THEN (CASE `order`.status WHEN 0 THEN '待领取' WHEN 1 THEN '待领取' WHEN 2 THEN '已核销' WHEN 3 THEN '领取失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '' END) " +
-                    "ELSE (CASE `order`.status WHEN 0 THEN '待充值' WHEN 1 THEN '充值中' WHEN 2 THEN '已完成' WHEN 3 THEN '充值失败' WHEN 4 THEN '已取消' WHEN 5 THEN '已过期' WHEN 6 THEN '待支付' END) END AS status")
-            } else if f == "type" {
                 cols = append(cols, "CASE `order`.type WHEN 1 THEN '直充卡密' WHEN 2 THEN '立减金' WHEN 3 THEN '红包' ELSE '' END AS type")
-			} else if f == "type" {
+                continue
-				cols = append(cols, "CASE `order`.type WHEN 1 THEN '直充卡密' WHEN 2 THEN '立减金' WHEN 3 THEN '红包' ELSE '' END AS type")
+            }
-			} else if f == "pay_type" {
+            if f == "pay_type" {
-				cols = append(cols, "CASE `order`.pay_type WHEN 1 THEN '支付宝' WHEN 5 THEN '微信' ELSE '' END AS pay_type")
+                cols = append(cols, "CASE `order`.pay_type WHEN 1 THEN '支付宝' WHEN 5 THEN '微信' ELSE '' END AS pay_type")
-			} else if f == "pay_status" {
+                continue
-				cols = append(cols, "CASE `order`.pay_status WHEN 1 THEN '待支付' WHEN 2 THEN '已支付' WHEN 3 THEN '已退款' ELSE '' END AS pay_status")
+            }
-			} else {
+            if f == "pay_status" {
-				cols = append(cols, "`order`."+escape(f))
+                cols = append(cols, "CASE `order`.pay_status WHEN 1 THEN '待支付' WHEN 2 THEN '已支付' WHEN 3 THEN '已退款' ELSE '' END AS pay_status")
+                continue
+            }
         }
-        } else {
         if t == "order_cash" && f == "receive_status" {
             cols = append(cols, "CASE `order_cash`.receive_status WHEN 0 THEN '待领取' WHEN 1 THEN '领取中' WHEN 2 THEN '领取成功' WHEN 3 THEN '领取失败' ELSE '' END AS receive_status")
-            } else if t == "order_cash" && f == "channel" {
+            continue
+        }
+        if t == "order_cash" && f == "channel" {
             cols = append(cols, "CASE `order_cash`.channel WHEN 1 THEN '支付宝' WHEN 2 THEN '微信' WHEN 3 THEN '云闪付' ELSE '' END AS channel")
-            } else if t == "order_voucher" && f == "channel" {
+            continue
+        }
+        if t == "order_voucher" && f == "channel" {
             cols = append(cols, "CASE `order_voucher`.channel WHEN 1 THEN '支付宝' WHEN 2 THEN '微信' ELSE '' END AS channel")
-            } else if t == "order_voucher" && f == "status" {
+            continue
+        }
+        if t == "order_voucher" && f == "status" {
             cols = append(cols, "CASE `order_voucher`.status WHEN 1 THEN '可用' WHEN 2 THEN '已实扣' WHEN 3 THEN '已过期' WHEN 4 THEN '已退款' WHEN 5 THEN '领取失败' WHEN 6 THEN '发放中' WHEN 7 THEN '部分退款' WHEN 8 THEN '已退回' WHEN 9 THEN '发放失败' ELSE '' END AS status")
-            } else if t == "order_voucher" && f == "receive_mode" {
+            continue
+        }
+        if t == "order_voucher" && f == "receive_mode" {
             cols = append(cols, "CASE `order_voucher`.receive_mode WHEN 1 THEN '渠道授权用户id' WHEN 2 THEN '手机号或邮箱' ELSE '' END AS receive_mode")
-            } else if t == "order_voucher" && f == "out_biz_no" {
+            continue
+        }
+        if t == "order_voucher" && f == "out_biz_no" {
             cols = append(cols, "'' AS out_biz_no")
-            } else {
+            continue
-                cols = append(cols, "`"+t+"`."+escape(f))
-            }
         }
+        cols = append(cols, "`"+mt+"`."+escape(mf))
     }
 	if len(cols) == 0 {
 		return "", nil, errors.New("no fields")
@@ -88,67 +87,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
 	sb.WriteString("SELECT ")
 	sb.WriteString(strings.Join(cols, ","))
     sb.WriteString(" FROM `" + req.MainTable + "`")
-	// JOINs based on need
+    for _, j := range sch.BuildJoins(need, req.MainTable) {
-	// order_detail
+        sb.WriteString(j)
-    if need["order_detail"] && req.MainTable == "order" {
-        sb.WriteString(" LEFT JOIN `order_detail` ON `order_detail`.order_number = `order`.order_number")
-    }
-    // order_cash
-    if need["order_cash"] {
-        if req.MainTable == "order_info" {
-            sb.WriteString(" LEFT JOIN `order_cash` ON `order_cash`.order_no = `order_info`.order_no")
-        } else {
-            sb.WriteString(" LEFT JOIN `order_cash` ON `order_cash`.order_number = `order`.order_number")
-        }
-    }
-    // order_voucher
-    if need["order_voucher"] {
-        if req.MainTable == "order_info" {
-            sb.WriteString(" LEFT JOIN `order_voucher` ON `order_voucher`.order_no = `order_info`.order_no")
-        } else {
-            sb.WriteString(" LEFT JOIN `order_voucher` ON `order_voucher`.order_number = `order`.order_number")
-        }
-    }
-    // order_digit (ymt only)
-    if need["order_digit"] && req.MainTable == "order_info" {
-        sb.WriteString(" LEFT JOIN `order_digit` ON `order_digit`.order_no = `order_info`.order_no")
-    }
-    // goods_voucher_batch (ymt)
-    if need["goods_voucher_batch"] && req.MainTable == "order_info" {
-        sb.WriteString(" LEFT JOIN `goods_voucher_batch` ON `goods_voucher_batch`.channel_batch_no = `order_voucher`.channel_batch_no")
-    }
-    // goods_voucher_subject_config (ymt)
-    if need["goods_voucher_subject_config"] && req.MainTable == "order_info" {
-        sb.WriteString(" LEFT JOIN `goods_voucher_subject_config` ON `goods_voucher_subject_config`.id = `goods_voucher_batch`.voucher_subject_id")
-    }
-    // merchant (ymt)
-    if need["merchant"] && req.MainTable == "order_info" {
-        sb.WriteString(" LEFT JOIN `merchant` ON `merchant`.id = `order_info`.merchant_id")
-    }
-    // activity (ymt)
-    if need["activity"] && req.MainTable == "order_info" {
-        sb.WriteString(" LEFT JOIN `activity` ON `activity`.id = `order_info`.activity_id")
-    }
-	// plan
-    if req.MainTable == "order" {
-        if need["plan"] || need["key_batch"] {
-            sb.WriteString(" LEFT JOIN `plan` ON `plan`.id = `order`.plan_id")
-        }
-        if need["key_batch"] {
-            sb.WriteString(" LEFT JOIN `key_batch` ON `key_batch`.plan_id = `plan`.id")
-        }
-        if need["code_batch"] {
-            sb.WriteString(" LEFT JOIN `code_batch` ON `code_batch`.key_batch_id = `key_batch`.id")
-        }
-        if need["voucher"] {
-            sb.WriteString(" LEFT JOIN `voucher` ON `voucher`.channel_activity_id = `order_voucher`.channel_activity_id")
-        }
-        if need["voucher_batch"] {
-            sb.WriteString(" LEFT JOIN `voucher_batch` ON `voucher_batch`.voucher_id = `voucher`.id")
-        }
-        if need["merchant_key_send"] {
-            sb.WriteString(" LEFT JOIN `merchant_key_send` ON `order`." + escape("key") + " = `merchant_key_send`.key")
-        }
     }
 
 	args := []interface{}{}
@@ -187,10 +127,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
 		}
         ph := strings.Repeat("?,", len(ids))
         ph = strings.TrimSuffix(ph, ",")
-        if req.MainTable == "order_info" {
+        if tbl, col, ok := sch.FilterColumn("creator_in"); ok {
-            where = append(where, "`order_info`.user_id IN ("+ph+")")
+            where = append(where, fmt.Sprintf("`%s`.%s IN (%s)", sch.TableName(tbl), escape(col), ph))
-        } else {
-            where = append(where, "`order`.creator IN ("+ph+")")
         }
         args = append(args, ids...)
     }
@@ -201,10 +139,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
 		if len(arr) != 2 {
 			return "", nil, errors.New("create_time_between requires 2 values")
 		}
-        if req.MainTable == "order_info" {
+        if tbl, col, ok := sch.FilterColumn("create_time_between"); ok {
-            where = append(where, "`order_info`.create_time BETWEEN ? AND ?")
+            where = append(where, fmt.Sprintf("`%s`.%s BETWEEN ? AND ?", sch.TableName(tbl), escape(col)))
-        } else {
-            where = append(where, "`order`.create_time BETWEEN ? AND ?")
         }
         args = append(args, arr[0], arr[1])
     }
@@ -226,10 +162,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
 			}
 		}
         if tv == 1 || tv == 2 || tv == 3 {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("type_eq"); ok {
-                where = append(where, "`order_info`.type = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.type = ?")
             }
             args = append(args, tv)
         }
@@ -237,10 +171,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["out_trade_no_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("out_trade_no_eq"); ok {
-                where = append(where, "`order_info`.out_order_no = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.out_trade_no = ?")
             }
             args = append(args, s)
         }
@@ -248,10 +180,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["account_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("account_eq"); ok {
-                where = append(where, "`order_info`.account = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.account = ?")
             }
             args = append(args, s)
         }
@@ -259,10 +189,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["plan_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("plan_id_eq"); ok {
-                where = append(where, "`order_info`.activity_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.plan_id = ?")
             }
             args = append(args, s)
         }
@@ -270,10 +198,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["key_batch_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("key_batch_id_eq"); ok {
-                where = append(where, "`order_info`.key_batch_name = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.key_batch_id = ?")
             }
             args = append(args, s)
         }
@@ -281,10 +207,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["product_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("product_id_eq"); ok {
-                where = append(where, "`order_info`.goods_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.product_id = ?")
             }
             args = append(args, s)
         }
@@ -292,10 +216,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["reseller_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("reseller_id_eq"); ok {
-                where = append(where, "`order_info`.merchant_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.reseller_id = ?")
             }
             args = append(args, s)
         }
@@ -303,10 +225,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["code_batch_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("code_batch_id_eq"); ok {
-                where = append(where, "`order_info`.supplier_product_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order`.code_batch_id = ?")
             }
             args = append(args, s)
         }
@@ -314,10 +234,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["order_cash_cash_activity_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("order_cash_cash_activity_id_eq"); ok {
-                where = append(where, "`order_cash`.activity_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order_cash`.cash_activity_id = ?")
             }
             args = append(args, s)
         }
@@ -325,10 +243,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["order_voucher_channel_activity_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order_info" {
+            if tbl, col, ok := sch.FilterColumn("order_voucher_channel_activity_id_eq"); ok {
-                where = append(where, "`order_voucher`.channel_batch_no = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
-            } else {
-                where = append(where, "`order_voucher`.channel_activity_id = ?")
             }
             args = append(args, s)
         }
@@ -336,8 +252,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["voucher_batch_channel_activity_id_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order" { // only marketing schema has voucher_batch
+            if tbl, col, ok := sch.FilterColumn("voucher_batch_channel_activity_id_eq"); ok {
-                where = append(where, "`voucher_batch`.channel_activity_id = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
                 args = append(args, s)
             }
         }
@@ -345,8 +261,8 @@ func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{
     if v, ok := req.Filters["merchant_out_biz_no_eq"]; ok {
         s := toString(v)
         if s != "" {
-            if req.MainTable == "order" { // marketing only
+            if tbl, col, ok := sch.FilterColumn("merchant_out_biz_no_eq"); ok {
-                where = append(where, "`merchant_key_send`.out_biz_no = ?")
+                where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
             }
             args = append(args, s)
         }

server/internal/schema/marketing.go

@@ -0,0 +1,60 @@
+package schema
+
+type marketingSchema struct{}
+
+func (marketingSchema) TableName(t string) string { return t }
+
+func (marketingSchema) MapField(t, f string) (string, bool) { return f, true }
+
+func (marketingSchema) BuildJoins(need map[string]bool, main string) []string {
+    out := []string{}
+    if need["order_detail"] {
+        out = append(out, " LEFT JOIN `order_detail` ON `order_detail`.order_number = `order`.order_number")
+    }
+    if need["order_cash"] {
+        out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.order_number = `order`.order_number")
+    }
+    if need["order_voucher"] {
+        out = append(out, " LEFT JOIN `order_voucher` ON `order_voucher`.order_number = `order`.order_number")
+    }
+    if need["plan"] || need["key_batch"] {
+        out = append(out, " LEFT JOIN `plan` ON `plan`.id = `order`.plan_id")
+    }
+    if need["key_batch"] {
+        out = append(out, " LEFT JOIN `key_batch` ON `key_batch`.plan_id = `plan`.id")
+    }
+    if need["code_batch"] {
+        out = append(out, " LEFT JOIN `code_batch` ON `code_batch`.key_batch_id = `key_batch`.id")
+    }
+    if need["voucher"] {
+        out = append(out, " LEFT JOIN `voucher` ON `voucher`.channel_activity_id = `order_voucher`.channel_activity_id")
+    }
+    if need["voucher_batch"] {
+        out = append(out, " LEFT JOIN `voucher_batch` ON `voucher_batch`.voucher_id = `voucher`.id")
+    }
+    if need["merchant_key_send"] {
+        out = append(out, " LEFT JOIN `merchant_key_send` ON `order`.`key` = `merchant_key_send`.key")
+    }
+    return out
+}
+
+func (marketingSchema) FilterColumn(key string) (string, string, bool) {
+    switch key {
+    case "creator_in": return "order", "creator", true
+    case "create_time_between": return "order", "create_time", true
+    case "type_eq": return "order", "type", true
+    case "out_trade_no_eq": return "order", "out_trade_no", true
+    case "account_eq": return "order", "account", true
+    case "plan_id_eq": return "order", "plan_id", true
+    case "key_batch_id_eq": return "order", "key_batch_id", true
+    case "product_id_eq": return "order", "product_id", true
+    case "reseller_id_eq": return "order", "reseller_id", true
+    case "code_batch_id_eq": return "order", "code_batch_id", true
+    case "order_cash_cash_activity_id_eq": return "order_cash", "cash_activity_id", true
+    case "order_voucher_channel_activity_id_eq": return "order_voucher", "channel_activity_id", true
+    case "voucher_batch_channel_activity_id_eq": return "voucher_batch", "channel_activity_id", true
+    case "merchant_out_biz_no_eq": return "merchant_key_send", "out_biz_no", true
+    default:
+        return "", "", false
+    }
+}

server/internal/schema/schema.go

@@ -0,0 +1,15 @@
+package schema
+
+type Schema interface {
+    TableName(string) string
+    MapField(string, string) (string, bool)
+    BuildJoins(map[string]bool, string) []string
+    FilterColumn(string) (string, string, bool)
+}
+
+func Get(datasource string, main string) Schema {
+    if datasource == "ymt" || main == "order_info" {
+        return ymtSchema{}
+    }
+    return marketingSchema{}
+}

server/internal/schema/ymt.go

@@ -0,0 +1,74 @@
+package schema
+
+type ymtSchema struct{}
+
+func (ymtSchema) TableName(t string) string {
+    if t == "order" {
+        return "order_info"
+    }
+    return t
+}
+
+func (s ymtSchema) MapField(t, f string) (string, bool) {
+    if t == "order" {
+        switch f {
+        case "order_number": return "order_no", true
+        case "key": return "key_code", true
+        case "creator": return "user_id", true
+        case "out_trade_no": return "out_order_no", true
+        case "plan_id": return "activity_id", true
+        case "reseller_id": return "merchant_id", true
+        case "product_id": return "goods_id", true
+        case "pay_amount": return "pay_price", true
+        case "key_batch_id": return "key_batch_name", true
+        default:
+            return f, true
+        }
+    }
+    return f, true
+}
+
+func (s ymtSchema) BuildJoins(need map[string]bool, main string) []string {
+    out := []string{}
+    if need["order_cash"] {
+        out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.order_no = `order_info`.order_no")
+    }
+    if need["order_voucher"] {
+        out = append(out, " LEFT JOIN `order_voucher` ON `order_voucher`.order_no = `order_info`.order_no")
+    }
+    if need["order_digit"] {
+        out = append(out, " LEFT JOIN `order_digit` ON `order_digit`.order_no = `order_info`.order_no")
+    }
+    if need["goods_voucher_batch"] {
+        out = append(out, " LEFT JOIN `goods_voucher_batch` ON `goods_voucher_batch`.channel_batch_no = `order_voucher`.channel_batch_no")
+    }
+    if need["goods_voucher_subject_config"] {
+        out = append(out, " LEFT JOIN `goods_voucher_subject_config` ON `goods_voucher_subject_config`.id = `goods_voucher_batch`.voucher_subject_id")
+    }
+    if need["merchant"] {
+        out = append(out, " LEFT JOIN `merchant` ON `merchant`.id = `order_info`.merchant_id")
+    }
+    if need["activity"] {
+        out = append(out, " LEFT JOIN `activity` ON `activity`.id = `order_info`.activity_id")
+    }
+    return out
+}
+
+func (s ymtSchema) FilterColumn(key string) (string, string, bool) {
+    switch key {
+    case "creator_in": return "order", "user_id", true
+    case "create_time_between": return "order", "create_time", true
+    case "type_eq": return "order", "type", true
+    case "out_trade_no_eq": return "order", "out_order_no", true
+    case "account_eq": return "order", "account", true
+    case "plan_id_eq": return "order", "activity_id", true
+    case "key_batch_id_eq": return "order", "key_batch_name", true
+    case "product_id_eq": return "order", "goods_id", true
+    case "reseller_id_eq": return "order", "merchant_id", true
+    case "code_batch_id_eq": return "order", "supplier_product_id", true
+    case "order_cash_cash_activity_id_eq": return "order_cash", "activity_id", true
+    case "order_voucher_channel_activity_id_eq": return "order_voucher", "channel_batch_no", true
+    default:
+        return "", "", false
+    }
+}

server/log/server-20251127.log

@@ -68,3 +68,8 @@ trace_id=a89d208e57f34d306f9315a6fcce39f7 sql=INSERT INTO export_templates (name
 {"bytes":1272,"duration_ms":170,"kind":"access","level":"INFO","method":"","path":"","query":"","remote":"","status":200,"trace_id":"","ts":"2025-11-27T11:31:14+08:00"}
 {"bytes":870,"duration_ms":99,"kind":"access","level":"INFO","method":"","path":"","query":"","remote":"","status":200,"trace_id":"","ts":"2025-11-27T11:31:19+08:00"}
 {"bytes":1614,"duration_ms":11,"kind":"access","level":"INFO","method":"","path":"","query":"","remote":"","status":200,"trace_id":"","ts":"2025-11-27T11:31:19+08:00"}
+connecting YMT MySQL: 47.97.27.195:3306 db merketing user root
+connecting Marketing MySQL: 192.168.6.92:3306 db market user root
+server listening on  :8077
+{"bytes":1371,"duration_ms":56,"kind":"access","level":"INFO","method":"","path":"","query":"","remote":"","status":200,"trace_id":"","ts":"2025-11-27T14:19:10+08:00"}
+{"bytes":870,"duration_ms":131,"kind":"access","level":"INFO","method":"","path":"","query":"","remote":"","status":200,"trace_id":"","ts":"2025-11-27T14:20:15+08:00"}