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sql_get_field_distinct改为支持可变参数个数

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HuYingzhuo(hugo/hyzboy) 2023-07-10 20:14:01 +08:00
parent 9142cc7482
commit 2202784f25
1 changed files with 20 additions and 2 deletions
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22
tools_sql.php
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@ -403,15 +403,33 @@
return sql_get_field_term($sql,$table_name,$field,"AVG",$where); return sql_get_field_term($sql,$table_name,$field,"AVG",$where);
} }
function sql_get_field_distinct($sql,$table_name,$field,$where) function sql_get_field_distinct()//$sql,$table_name,$field,$where,$start,$count)
{ {
if(!$sql)return null; $sql =func_get_arg(0);
$table_name =func_get_arg(1);
$field =func_get_arg(2);
if(!$sql||!$table_name||!$field)return null;
if(func_num_args()>3)
$where=func_get_arg(3);
if($where) if($where)
$sql_string="select DISTINCT(".$field.") from ".$table_name.' WHERE '.$where.' ORDER BY '.$field; $sql_string="select DISTINCT(".$field.") from ".$table_name.' WHERE '.$where.' ORDER BY '.$field;
else else
$sql_string="select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field; $sql_string="select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field;
if(func_num_args()>5)
{
$start=func_get_arg(4);
$count=func_get_arg(5);
if($start>0||$count>0)
{
$sql_string=$sql_string.' LIMIT '.$start.','.$count;
}
}
$sql_result=$sql->query($sql_string); $sql_result=$sql->query($sql_string);
if(!$sql_result) if(!$sql_result)