305 lines
10 KiB
Go
305 lines
10 KiB
Go
package exporter
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import (
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"encoding/json"
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"errors"
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"fmt"
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"marketing-system-data-tool/server/internal/schema"
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"strconv"
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"strings"
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)
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type BuildRequest struct {
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MainTable string
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Datasource string
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Fields []string // table.field
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Filters map[string]interface{}
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}
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func BuildSQL(req BuildRequest, whitelist map[string]bool) (string, []interface{}, error) {
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if req.MainTable != "order" && req.MainTable != "order_info" {
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return "", nil, errors.New("unsupported main table")
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}
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sch := schema.Get(req.Datasource, req.MainTable)
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cols := []string{}
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need := map[string]bool{}
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for _, tf := range req.Fields {
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if !whitelist[tf] {
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return "", nil, errors.New("field not allowed")
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}
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parts := strings.Split(tf, ".")
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if len(parts) != 2 {
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return "", nil, errors.New("invalid field format")
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}
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t, f := parts[0], parts[1]
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if req.Datasource == "ymt" && t == "order_voucher" && f == "channel_activity_id" {
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f = "channel_batch_no"
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}
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need[t] = true
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mt := sch.TableName(t)
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mf, _ := sch.MapField(t, f)
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if t == "order" && req.MainTable == "order" {
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if f == "status" {
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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")
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continue
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}
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if f == "type" {
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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")
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continue
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}
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if f == "pay_type" {
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cols = append(cols, "CASE `order`.pay_type WHEN 1 THEN '支付宝' WHEN 5 THEN '微信' ELSE '' END AS pay_type")
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continue
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}
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if f == "pay_status" {
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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")
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continue
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}
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}
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if t == "order_cash" && f == "receive_status" {
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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")
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continue
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}
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if t == "order_cash" && f == "channel" {
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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")
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continue
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}
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if t == "order_voucher" && f == "channel" {
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cols = append(cols, "CASE `order_voucher`.channel WHEN 1 THEN '支付宝' WHEN 2 THEN '微信' ELSE '' END AS channel")
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continue
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}
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if t == "order_voucher" && f == "status" {
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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")
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continue
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}
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if t == "order_voucher" && f == "receive_mode" {
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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")
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continue
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}
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if t == "order_voucher" && f == "out_biz_no" {
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cols = append(cols, "'' AS out_biz_no")
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continue
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}
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cols = append(cols, "`"+mt+"`."+escape(mf))
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}
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if len(cols) == 0 {
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return "", nil, errors.New("no fields")
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}
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sb := strings.Builder{}
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sb.WriteString("SELECT ")
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sb.WriteString(strings.Join(cols, ","))
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sb.WriteString(" FROM `" + req.MainTable + "`")
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for _, j := range sch.BuildJoins(need, req.MainTable) {
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sb.WriteString(j)
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}
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args := []interface{}{}
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where := []string{}
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// collect need from filters referencing related tables
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if _, ok := req.Filters["order_cash_cash_activity_id_eq"]; ok {
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need["order_cash"] = true
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}
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if _, ok := req.Filters["order_voucher_channel_activity_id_eq"]; ok {
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need["order_voucher"] = true
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}
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if _, ok := req.Filters["voucher_batch_channel_activity_id_eq"]; ok {
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need["voucher_batch"] = true
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need["voucher"] = true
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need["order_voucher"] = true
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}
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if _, ok := req.Filters["merchant_out_biz_no_eq"]; ok {
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need["merchant_key_send"] = true
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}
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if v, ok := req.Filters["creator_in"]; ok {
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ids := []interface{}{}
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switch t := v.(type) {
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case []interface{}:
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ids = t
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case []int:
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for _, x := range t {
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ids = append(ids, x)
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}
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case []string:
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for _, x := range t {
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ids = append(ids, x)
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}
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}
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if len(ids) == 0 {
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return "", nil, errors.New("creator_in required")
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}
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ph := strings.Repeat("?,", len(ids))
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ph = strings.TrimSuffix(ph, ",")
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if tbl, col, ok := sch.FilterColumn("creator_in"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s IN (%s)", sch.TableName(tbl), escape(col), ph))
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}
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args = append(args, ids...)
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}
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if v, ok := req.Filters["create_time_between"]; ok {
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var arr []interface{}
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b, _ := json.Marshal(v)
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json.Unmarshal(b, &arr)
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if len(arr) != 2 {
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return "", nil, errors.New("create_time_between requires 2 values")
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}
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if tbl, col, ok := sch.FilterColumn("create_time_between"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s BETWEEN ? AND ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, arr[0], arr[1])
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}
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if v, ok := req.Filters["type_eq"]; ok {
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var tv int
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switch t := v.(type) {
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case float64:
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tv = int(t)
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case int:
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tv = t
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case string:
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// simple digits parsing
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for i := 0; i < len(t); i++ {
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c := t[i]
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if c < '0' || c > '9' {
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continue
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}
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tv = tv*10 + int(c-'0')
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}
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}
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if tv == 1 || tv == 2 || tv == 3 {
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if tbl, col, ok := sch.FilterColumn("type_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, tv)
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}
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}
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if v, ok := req.Filters["out_trade_no_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("out_trade_no_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["account_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("account_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["plan_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("plan_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["key_batch_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("key_batch_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["product_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("product_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["reseller_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("reseller_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["code_batch_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("code_batch_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["order_cash_cash_activity_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("order_cash_cash_activity_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["order_voucher_channel_activity_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("order_voucher_channel_activity_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if v, ok := req.Filters["voucher_batch_channel_activity_id_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("voucher_batch_channel_activity_id_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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args = append(args, s)
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}
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}
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}
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if v, ok := req.Filters["merchant_out_biz_no_eq"]; ok {
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s := toString(v)
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if s != "" {
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if tbl, col, ok := sch.FilterColumn("merchant_out_biz_no_eq"); ok {
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where = append(where, fmt.Sprintf("`%s`.%s = ?", sch.TableName(tbl), escape(col)))
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}
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args = append(args, s)
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}
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}
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if len(where) > 0 {
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sb.WriteString(" WHERE ")
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sb.WriteString(strings.Join(where, " AND "))
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}
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return sb.String(), args, nil
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}
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func escape(s string) string {
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if s == "key" {
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return "`key`"
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}
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if s == "index" {
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return "`index`"
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}
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return s
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}
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func toString(v interface{}) string {
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switch t := v.(type) {
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case []byte:
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return string(t)
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case string:
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return t
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case int64:
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return strconv.FormatInt(t, 10)
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case int:
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return strconv.Itoa(t)
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case float64:
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return strconv.FormatFloat(t, 'f', -1, 64)
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default:
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return ""
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}
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}
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