/**
* Creates the string of SQL for the select part of a select query, everything behind SELECT and before FROM.
* Eg, "Event.post_id, Event.post_name,Event_Detail.EVT_ID..."
* @param EE_Model_Query_Info_Carrier $model_query_info
* @return string
*/
private function _construct_default_select_sql(EE_Model_Query_Info_Carrier $model_query_info)
{
$selects = $this->_get_columns_to_select_for_this_model();
foreach ($model_query_info->get_model_names_included() as $model_relation_chain => $name_of_other_model_included) {
$other_model_included = $this->get_related_model_obj($name_of_other_model_included);
$selects = array_merge($selects, $other_model_included->_get_columns_to_select_for_this_model($model_relation_chain));
}
return implode(", ", $selects);
}
/**
* Merges info from the other EEM_Related_Model_Info_Carrier into this one.
* @param EE_Model_Query_Info_Carrier $other_model_query_info_carrier
*/
public function merge($other_model_query_info_carrier)
{
if ($other_model_query_info_carrier && !$this->_have_already_included_one_of_these_models($other_model_query_info_carrier->get_model_names_included())) {
$model_included_on_other_join_sql_and_data_types_carrier = $other_model_query_info_carrier->get_model_names_included();
$this->_models_included = array_merge($this->_models_included, $model_included_on_other_join_sql_and_data_types_carrier);
$this->_join_sql .= $other_model_query_info_carrier->_join_sql;
}
//otherwise don't merge our data.
//yes, this means that we must immediately merge any model data into our grand list
//as soon as we get some from ONE model, or else we could reject a EEM_Related_Model_Info_Carrier
//which is carrying info from two models WHERE one is already included but the other is NOT
}
