refactor(marketing): 优化关联查询和过滤字段映射逻辑
- 为多个关联表添加基于最大ID的子查询去重，保证数据唯一性 - 增加注释说明各关联JOIN逻辑和去重策略 - merchant_key_send关联改为基于最大ID的子查询连接，替代原有简单连接 - 统一格式化代码，提高可读性 - 保持FilterColumn方法结构清晰无改变，仅调整格式
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@ -7,55 +7,74 @@ func (marketingSchema) TableName(t string) string { return t }
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func (marketingSchema) MapField(t, f string) (string, bool) { return f, true }
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func (marketingSchema) BuildJoins(need map[string]bool, main string) []string {
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out := []string{}
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if need["order_detail"] {
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out = append(out, " LEFT JOIN `order_detail` ON `order_detail`.order_number = `order`.order_number")
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}
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if need["order_cash"] {
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// MySQL 5.7: no window functions; keep latest row by id via correlated subquery (no GROUP BY)
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out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.id = (SELECT MAX(oc2.id) FROM `order_cash` oc2 WHERE oc2.order_number = `order`.order_number)")
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}
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if need["order_voucher"] {
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out = append(out, " LEFT JOIN `order_voucher` ON `order_voucher`.id = (SELECT MAX(ov2.id) FROM `order_voucher` ov2 WHERE ov2.order_number = `order`.order_number)")
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}
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if need["plan"] || need["key_batch"] {
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out = append(out, " LEFT JOIN `plan` ON `plan`.id = `order`.plan_id")
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}
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if need["key_batch"] {
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out = append(out, " LEFT JOIN `key_batch` ON `key_batch`.plan_id = `plan`.id")
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}
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if need["code_batch"] {
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out = append(out, " LEFT JOIN `code_batch` ON `code_batch`.key_batch_id = `key_batch`.id")
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}
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if need["voucher"] {
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out = append(out, " LEFT JOIN `voucher` ON `voucher`.id = (SELECT MAX(v2.id) FROM `voucher` v2 WHERE v2.channel_activity_id = `order_voucher`.channel_activity_id)")
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}
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if need["voucher_batch"] {
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out = append(out, " LEFT JOIN `voucher_batch` ON `voucher_batch`.id = (SELECT MAX(vb2.id) FROM `voucher_batch` vb2 WHERE vb2.voucher_id = `voucher`.id)")
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}
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if need["merchant_key_send"] {
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out = append(out, " LEFT JOIN `merchant_key_send` ON `order`.`key` = `merchant_key_send`.key")
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}
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return out
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out := []string{}
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if need["order_detail"] {
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// order_detail无id字段，使用普通JOIN
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out = append(out, " LEFT JOIN `order_detail` ON `order_detail`.order_number = `order`.order_number")
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}
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if need["order_cash"] {
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// MAX ID 子查询去重
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out = append(out, " LEFT JOIN `order_cash` ON `order_cash`.id = (SELECT MAX(oc2.id) FROM `order_cash` oc2 WHERE oc2.order_number = `order`.order_number)")
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}
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if need["order_voucher"] {
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// MAX ID 子查询去重
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out = append(out, " LEFT JOIN `order_voucher` ON `order_voucher`.id = (SELECT MAX(ov2.id) FROM `order_voucher` ov2 WHERE ov2.order_number = `order`.order_number)")
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}
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if need["plan"] || need["key_batch"] {
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out = append(out, " LEFT JOIN `plan` ON `plan`.id = `order`.plan_id")
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}
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if need["key_batch"] {
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// MAX ID 子查询去重
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out = append(out, " LEFT JOIN `key_batch` ON `key_batch`.id = (SELECT MAX(kb2.id) FROM `key_batch` kb2 WHERE kb2.plan_id = `plan`.id)")
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}
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if need["code_batch"] {
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// MAX ID 子查询去重
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out = append(out, " LEFT JOIN `code_batch` ON `code_batch`.id = (SELECT MAX(cb2.id) FROM `code_batch` cb2 WHERE cb2.key_batch_id = `key_batch`.id)")
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}
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if need["voucher"] {
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out = append(out, " LEFT JOIN `voucher` ON `voucher`.id = (SELECT MAX(v2.id) FROM `voucher` v2 WHERE v2.channel_activity_id = `order_voucher`.channel_activity_id)")
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}
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if need["voucher_batch"] {
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out = append(out, " LEFT JOIN `voucher_batch` ON `voucher_batch`.id = (SELECT MAX(vb2.id) FROM `voucher_batch` vb2 WHERE vb2.voucher_id = `voucher`.id)")
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}
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if need["merchant_key_send"] {
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// MAX ID 子查询去重
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out = append(out, " LEFT JOIN `merchant_key_send` ON `merchant_key_send`.id = (SELECT MAX(mks2.id) FROM `merchant_key_send` mks2 WHERE mks2.key = `order`.`key`)")
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}
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return out
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}
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func (marketingSchema) FilterColumn(key string) (string, string, bool) {
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switch key {
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case "creator_in": return "order", "creator", true
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case "create_time_between": return "order", "create_time", true
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case "type_eq": return "order", "type", true
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case "out_trade_no_eq": return "order", "out_trade_no", true
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case "account_eq": return "order", "account", true
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case "plan_id_eq": return "order", "plan_id", true
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case "key_batch_id_eq": return "order", "key_batch_id", true
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case "product_id_eq": return "order", "product_id", true
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case "reseller_id_eq": return "order", "reseller_id", true
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case "code_batch_id_eq": return "order", "code_batch_id", true
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case "order_cash_cash_activity_id_eq": return "order_cash", "cash_activity_id", true
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case "order_voucher_channel_activity_id_eq": return "order_voucher", "channel_activity_id", true
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case "voucher_batch_channel_activity_id_eq": return "voucher_batch", "channel_activity_id", true
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case "merchant_out_biz_no_eq": return "merchant_key_send", "out_biz_no", true
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default:
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return "", "", false
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}
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switch key {
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case "creator_in":
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return "order", "creator", true
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case "create_time_between":
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return "order", "create_time", true
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case "type_eq":
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return "order", "type", true
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case "out_trade_no_eq":
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return "order", "out_trade_no", true
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case "account_eq":
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return "order", "account", true
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case "plan_id_eq":
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return "order", "plan_id", true
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case "key_batch_id_eq":
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return "order", "key_batch_id", true
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case "product_id_eq":
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return "order", "product_id", true
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case "reseller_id_eq":
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return "order", "reseller_id", true
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case "code_batch_id_eq":
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return "order", "code_batch_id", true
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case "order_cash_cash_activity_id_eq":
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return "order_cash", "cash_activity_id", true
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case "order_voucher_channel_activity_id_eq":
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return "order_voucher", "channel_activity_id", true
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case "voucher_batch_channel_activity_id_eq":
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return "voucher_batch", "channel_activity_id", true
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case "merchant_out_biz_no_eq":
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return "merchant_key_send", "out_biz_no", true
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default:
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return "", "", false
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}
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}
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