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For a union-query call search for each query with $start=='UNION' and one more with only $order_by and $start set to run the union-query

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This commit is contained in:
Ralf Becker 2006-04-05 15:22:50 +00:00
parent 2c604b7b06
commit 85a9bfb5d3
1 changed files with 13 additions and 15 deletions
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18
etemplate/inc/class.so_sql.inc.php
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@ -410,6 +410,8 @@ class so_sql
*
* '*' and '?' are replaced with sql-wildcards '%' and '_'
*
* For a union-query you call search for each query with $start=='UNION' and one more with only $order_by and $start set to run the union-query.
*
* @param array/string $criteria array of key and data cols, OR a SQL query (content for WHERE), fully quoted (!)
* @param boolean/string $only_keys=true True returns only keys, False returns all cols. comma seperated list of keys to return
* @param string $order_by='' fieldnames + {ASC|DESC} separated by colons ',', can also contain a GROUP BY (if it contains ORDER BY)
@ -417,12 +419,12 @@ class so_sql
* @param string $wildcard='' appended befor and after each criteria
* @param boolean $empty=false False=empty criteria are ignored in query, True=empty have to be empty in row
* @param string $op='AND' defaults to 'AND', can be set to 'OR' too, then criteria's are OR'ed together
* @param mixed $start=false if != false, return only maxmatch rows begining with start, or array($start,$num)
* @param mixed $start=false if != false, return only maxmatch rows begining with start, or array($start,$num), or 'UNION' for a part of a union query
* @param array $filter=null if set (!=null) col-data pairs, to be and-ed (!) into the query without wildcards
* @param string $join='' sql to do a join, added as is after the table-name, eg. ", table2 WHERE x=y" or
* "LEFT JOIN table2 ON (x=y)", Note: there's no quoting done on $join!
* @param boolean $need_full_no_count=false If true an unlimited query is run to determine the total number of rows, default false
* @return array of matching rows (the row is an array of the cols) or False
* @return boolean/array of matching rows (the row is an array of the cols) or False
*/
function &search($criteria,$only_keys=True,$order_by='',$extra_cols='',$wildcard='',$empty=False,$op='AND',$start=false,$filter=null,$join='',$need_full_no_count=false)
{
@ -518,17 +520,15 @@ class so_sql
$num_rows = 0; // as spec. in max_matches in the user-prefs
if (is_array($start)) list($start,$num_rows) = $start;
if (is_array($order_by))
{
list($order_by,$union_order_by) = $order_by;
}
if ($order_by && !stristr($order_by,'ORDER BY'))
if ($order_by && !stristr($order_by,'ORDER BY') && !stristr($order_by,'GROUP BY'))
{
$order_by = 'ORDER BY '.$order_by;
}
static $union = array();
static $union_cols = array();
if ($start === 'UNION' || $union)
{
if ($start === 'UNION')
{
$union[] = array(
'table' => $this->table_name,
@ -537,8 +537,6 @@ class so_sql
'append' => $order_by,
'join' => $join,
);
if ($start === 'UNION')
{
if (!$union_cols) // union used the colum-names of the first query
{
$union_cols = $this->_get_columns($only_keys,$extra_cols);
@ -558,7 +556,7 @@ class so_sql
$this->total = $this->db->num_rows();
}
}
$this->db->union($union,__LINE__,__FILE__,$union_order_by,$start,$num_rows);
$this->db->union($union,__LINE__,__FILE__,$order_by,$start,$num_rows);
$cols = $union_cols;
$union = $union_cols = array();