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sql_get_field_distinct增加where参数

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hyzboy 2017-03-15 17:47:01 +08:00
parent b59d2d44bc
commit 45095a4810
1 changed files with 13 additions and 2 deletions
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15
tools_sql.php
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@ -401,11 +401,22 @@
return sql_get_field_term($sql,$table_name,$field,"AVG",$where);
}
function sql_get_field_distinct($sql,$table_name,$field)
function sql_get_field_distinct($sql,$table_name,$field,$where)
{
if(!$sql)return null;
$sql_result=$sql->query("select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field);
if($where)
$sql_string="select DISTINCT(".$field.") from ".$table_name.' WHERE '.$where.' ORDER BY '.$field;
else
$sql_string="select DISTINCT(".$field.") from ".$table_name.' ORDER BY '.$field;
$sql_result=$sql->query($sql_string);
if(!$sql_result)
{
echo 'Error,SQLString: '.$sql_string.'<br/';
return null;
}
$result=array();