Oracle sql查询问题ORA-00923：FROM关键字找不到预期的地方

我在java类中有一个sql查询。当我运行它它给了我这个错误ORA-00923：从关键字找不到预期的地方。我发现了类似的问题，但我似乎无法理解我做错了什么。Oracle sql查询问题ORA-00923：FROM关键字找不到预期的地方

查询是：

 String sqlQueryCM = "insert into customers_messages" 
      +" (customer_id, message_id, status)" 
      +" select gc.customer_id,? as gm.message_id, 0" 
      +" from groups_customers gc join cgroups cg on gc.group_id = cg.id" 
      +" join groups_messages gm on gc.group_id = ?" 
      +" join messages m on gm.message_id = m.id left" 
      +" join customers_messages cm on gc.customer_id = cm.customer_id and gm.message_id = cm.message_id" 
      +" where cm.message_id = ?" 
      +" and m.message_published = 1" 
      +" and (cg.start_date is null or to_char(cg.start_date,'YYYYMMDD') <= to_char(sysdate,'YYYYMMDD'))" 
      +" and (cg.end_date is null or to_char(cg.end_date,'YYYYMMDD') >= to_char(sysdate,'YYYYMMDD'))" 
      +" and (m.start_date is null or to_char(m.start_date,'YYYYMMDD') <= to_char(sysdate,'YYYYMMDD'))" 
      +" and (m.end_date is null or to_char(m.end_date,'YYYYMMDD') >= to_char(sysdate,'YYYYMMDD'))" 
      +" and cm.status is null";

来源

2014-02-10 user3256429

我试过但它是同样的问题.. – user3256429

@ dic19：在这种情况下不需要数值。请参阅[链接]（http://docs.oracle.com/cd/E17952_01/refman-5.1-en/insert-select.html） – StephaneM

尝试将'0定义为SomeField' – 2014-02-10 14:02:59

尝试通过

+" join customers_messages cm on (gc.customer_id = cm.customer_id and gm.message_id = cm.message_id)"

编辑替换该行

+" join customers_messages cm on gc.customer_id = cm.customer_id and gm.message_id = cm.message_id"

：换下的最后（通过）。对不起，错字。

来源

2014-02-10 14:04:54 StephaneM

Oracle sql查询问题ORA-00923：FROM关键字找不到预期的地方

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