Question

CREATE OR REPLACE FUNCTION sp_insert_nike_mapping_code ( shopId bigint ) RETURNS VOID AS $body$
BEGIN

    insert into temp_t_so_sales_order_push(so_code,seq)
   SELECT so_code,nextval('s_t_so_sales_order_push_code') from (
   SELECT so_code from t_so_sales_order_push where sync_status = 0 group by so_code
   );

   update t_so_sales_order_push pu
   set code = (
       SELECT temp.seq from temp_t_so_sales_order_push temp
       where temp.so_code = pu.so_code and pu.shop_id = shopId and pu.sync_status = 0
   )
   where exists(
          SELECT 1 from temp_t_so_sales_order_push temp
          where temp.so_code = pu.so_code and pu.shop_id = shopId and pu.sync_status = 0
   );
END
$body$
LANGUAGE PLPGSQL
SECURITY DEFINER
;

当我执行上面的代码时，得到了语法错误：FROM中的子查询必须有一个别名。 [错误]错误：FROM中的子查询必须有别名第5行：...... ELECT so_code，nextval（'s_t_so_sales_order_push_code'）来自（ ^ 提示：例如，FROM（SELECT ...）[AS] foo。

有人帮助我吗？

Answer 1

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FROMGRESQL，FROM中的子查询必须有别名

1 个答案: