mysql 自定义函数 传入参数 tableName , 返回该表的最大id
0
悬赏园豆：50
[已解决问题]
解决于 2021-07-27 11:57
create function myselect6(tableName varchar(50))
returns BIGINT
READS SQL DATA
begin
declare creatSql varchar(500);
declare d_count BIGINT;
set creatSql = CONCAT('SELECT max(id) into @d_count from ',tableName);
SET @execSql = creatSql;
PREPARE stmt FROM @execSql ;
EXECUTE stmt;
return d_count;
end;
执行报：Dynamic SQL is not allowed in stored function or trigger
最佳答案
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