lmbSelectQuery allows to partially encapsulate SQL SELECT query. lmbSelectQuery accepts a text template of Select SQL that can be extended. This template SQL must contain several special placeholders where extensions can be inserted into, e.g.: %fields% or %where%. That's why it's more corrent to call lmbSelectQuery as TemplateSelectQuery(on the TODO list).
Here is the list of supported placeholders:
class CocktailDetailInfoQuery extends lmbSelectQuery { function __construct() { $sql = 'SELECT '. 'cocktail.id as id, '. 'cocktail.name as name, '. 'cocktail.ru_name as ru_name, '. 'cocktail.description as description, '. 'cocktail.dish_id as dish_id, '. 'cocktail.method_id as method_id, '. 'cocktail.type_id as type_id, '. 'dish.name as dish_name, '. 'preparation_method.name as preparation_method_name, '. 'cocktail_type.name as cocktail_type_name '. '%fields% '. 'FROM '. 'cocktail '. ' LEFT JOIN dish ON dish.id = cocktail.dish_id '. ' LEFT JOIN preparation_method ON preparation_method.id = cocktail.method_id '. ' LEFT JOIN cocktail_type ON cocktail_type.id = cocktail.type_id '. '%tables% ' . '%where% %group% %having% %order%'; parent :: __construct($sql); } }
addField($field)
$query->addField('dish.long_name');
addTable($table)
$query->addTable('special_method as sm');
addOrder($field, $type='ASC')
$query->addOrder('dish.long_name DESC');
addGroupBy($group)
$query->addGroupBy('cocktail.dish_id');
addCriteria($criteria). Use this method to fill %where% placeholder. $criteria is a Criteria object.
$query->addCriteria(new lmbSQLTableFieldCriteria('ingredient.id', $ingredient_ids, lmbSQLFieldCriteria :: IN));
addHaving($criteria). Use this method to fill %having% placeholder where $criteria is a Criteria object.
$query->addHaving(new lmbSQLRawCriteria('count > 0'));
addLeftJoin($table, $connect_by)
$query->addLeftJoin('dish', 'dish.id = cocktail.dish_id');
[...] function _analizeIngredientCondition($query) { $ingredient_ids = $this->_getIngredientIdsArray(); $ingredient_names = $this->_getIngredientNames(); if(!(sizeof($ingredient_ids) || sizeof($ingredient_names))) return false; $criteria = null; if(sizeof($ingredient_ids)) $criteria = new lmbSQLTableFieldCriteria('ingredient.id', $ingredient_ids, lmbSQLFieldCriteria :: IN); foreach($ingredient_names as $name) { if(!$criteria) $criteria = new lmbSQLTableFieldCriteria('ingredient.name', '%'.$name.'%', lmbSQLFieldCriteria :: LIKE); else { $new_criteria = new lmbSQLTableFieldCriteria('ingredient.name', '%'.$name.'%', lmbSQLFieldCriteria :: LIKE); $criteria->addOr($new_criteria); } } $query->addField('COUNT(cocktail.id) as ccount'); $query->addTable('recipe_item'); $query->addTable('ingredient'); $query->addCriteria(new lmbSQLRawCriteria('recipe_item.cocktail_id = cocktail.id')); $query->addCriteria(new lmbSQLRawCriteria('recipe_item.ingredient_id = ingredient.id')); $query->addOrder('ccount', 'DESC'); $query->addCriteria($criteria); $query->addGroupBy('recipe_item.cocktail_id'); return true; } [...]
Обсуждение