表名诗人中有三个字段(_id,name,count)。我想检查表中是否存在诗人名,然后以1为增量更新计数字段,否则插入具有给定名称的新记录,计数为1。这是我的查询。如果在表中找不到名称,它将插入计数的空值。如果我想更新已经存在的记录,虽然效果很好。
insert or replace into poet (_id,Name, count) values (
(select _id from poet where Name = "SearchName"),
"SearchName",
(select count from poet where Name = "SearchName")+ 1)
最佳答案
insert or replace into poet (_id,Name, count) values (
(select _id from poet where Name = "SearchName"),
"SearchName",
ifnull((select count from poet where Name = "SearchName"), 0) + 1)