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Re: Tree structure [message #4657 is a reply to message #4656] Sat, 28 February 2015 08:31 Go to previous messageGo to previous message
htManager is currently offline  htManager
Messages: 415
Registered: May 2014
Senior Member
I suppose that the queries are generated in the _cm_getNodeData of the class file. I copied the code from the xample file and tried to change it. But I haven't much experience in generating SQL-queries, so that I suppose that I did something wrong. Especially because I have a primary key consisting of several fields. Here is my code, maybe you can see what I am doing wrong:

$this->sql_select = 'hallen_plaetze_nodes.node_id, '
. 'hallen_plaetze_nodes.hallen_plaetze_node_desc, '
. 'hallen_plaetze_nodes.hallen_plaetze_nodes_logo_fname, '
. 'hallen_plaetze_level.hallen_plaetze_level_seq, '
. 'COUNT(child.node_id) AS child_count';
$this->sql_from = 'hallen_plaetze_nodes '
. 'LEFT JOIN hallen_plaetze_level ON '
. '(hallen_plaetze_level.verbaende_art_id=hallen_plaetze_nodes .verbaende_art_id AND '
. 'hallen_plaetze_level.verbaende_kuerzel=hallen_plaetze_nodes .verbaende_kuerzel AND '
. 'hallen_plaetze_level.halle_no=hallen_plaetze_nodes.halle_no AND '
. 'hallen_plaetze_level.hallen_plaetze_level_id=hallen_plaetze _nodes.hallen_plaetze_level_id) '
. 'LEFT JOIN hallen_plaetze_nodes AS child ON (hallen_plaetze_nodes.node_id=child.node_id_snr) ';
$this->sql_where = '';
$this->sql_groupby = 'hallen_plaetze_nodes.node_id, '
. 'hallen_plaetze_nodes.hallen_plaetze_node_desc, '
. 'hallen_plaetze_nodes.hallen_plaetze_level_id, '
. 'hallen_plaetze_level.hallen_plaetze_level_seq';
$this->sql_having = '';
$this->sql_orderby = 'hallen_plaetze_nodes.hallen_plaetze_level_id,'
. 'hallen_plaetze_nodes.node_id';
 
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