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Initial work on using one select statement for hasMany associations

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4824 3807eeeb-6ff5-0310-8944-8be069107fe0
This commit is contained in:
phpnut 2007-04-09 04:00:04 +00:00
parent 9a6d54b400
commit 95e2782d72
2 changed files with 41 additions and 13 deletions
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30
cake/libs/model/datasources/dbo_source.php
View file

@ -1018,7 +1018,7 @@ class DboSource extends DataSource {
break;
case 'hasMany':
$query = array(
'conditions' => $this->__mergeConditions(array("{$alias}.{$assocData['foreignKey']}" => '{$__cakeID__$}'), $assocData['conditions']),
'in' => $this->__mergeConditions(array("{$alias}.{$assocData['foreignKey']}" => array('{$__cakeID__$}')), $assocData['conditions']),
'fields' => $this->fields($linkModel, $alias, $assocData['fields']),
'table' => $this->fullTableName($linkModel),
'alias' => $alias,
@ -1084,6 +1084,9 @@ class DboSource extends DataSource {
}
function buildStatement($query, $model) {
if(isset($query['in'])) {
return $this->renderInStatement($query, $model);
}
$query = am(array('offset' => null, 'joins' => array()), $query);
if (!empty($query['joins'])) {
for ($i = 0; $i < count($query['joins']); $i++) {
@ -1103,6 +1106,31 @@ class DboSource extends DataSource {
));
}
function renderInStatement($query, $model) {
if(isset($query['in'])) {
$query['conditions'] = $query['in'];
}
$query = am(array('offset' => null, 'joins' => array()), $query);
if (!empty($query['joins'])) {
for ($i = 0; $i < count($query['joins']); $i++) {
if (is_array($query['joins'][$i])) {
$query['joins'][$i] = $this->buildJoinStatement($query['joins'][$i]);
}
}
}
$replace[] = '{$__cakeID__$}';
$replace[] = $this->renderStatement(array(
'conditions' => $this->conditions($query['conditions']),
'fields' => join(', ', $query['fields']),
'table' => $query['table'],
'alias' => $this->alias . $this->name($query['alias']),
'order' => $this->order($query['order']),
'limit' => $this->limit($query['limit'], $query['offset']),
'joins' => join(' ', $query['joins'])
));
return $replace[1];
}
function renderJoinStatement($data) {
extract($data);
return trim("{$type} JOIN {$table} {$alias} ON ({$conditions})");

4
cake/tests/cases/libs/model/datasources/dbo_source.test.php
View file

@ -923,7 +923,7 @@ class DboSourceTest extends UnitTestCase {
$result = $this->db->generateAssociationQuery($this->model, $params['linkModel'], $params['type'], $params['assoc'], $params['assocData'], $queryData, $params['external'], $resultSet);
$this->assertPattern('/^SELECT\s+`TestModel6`\.`id`, `TestModel6`\.`test_model5_id`, `TestModel6`\.`name`, `TestModel6`\.`created`, `TestModel6`\.`updated`\s+/', $result);
$this->assertPattern('/\s+FROM\s+`test_model6` AS `TestModel6`\s+WHERE/', $result);
$this->assertPattern('/\s+WHERE\s+`TestModel6`.`test_model5_id`\s+=\s+{\$__cakeID__\$}/', $result);
$this->assertPattern('/\s+WHERE\s+`TestModel6`.`test_model5_id`\s+IN\s+\({\$__cakeID__\$}\)/', $result);
$result = $this->db->generateAssociationQuery($this->model, $null, null, null, null, $queryData, false, $null);
$this->assertPattern('/^SELECT\s+`TestModel5`\.`id`, `TestModel5`\.`test_model4_id`, `TestModel5`\.`name`, `TestModel5`\.`created`, `TestModel5`\.`updated`\s+/', $result);
@ -946,7 +946,7 @@ class DboSourceTest extends UnitTestCase {
$result = $this->db->generateAssociationQuery($this->model, $params['linkModel'], $params['type'], $params['assoc'], $params['assocData'], $queryData, $params['external'], $resultSet);
$this->assertPattern('/^SELECT\s+`TestModel6`\.`id`, `TestModel6`\.`test_model5_id`, `TestModel6`\.`name`, `TestModel6`\.`created`, `TestModel6`\.`updated`\s+/', $result);
$this->assertPattern('/\s+FROM\s+`test_model6` AS `TestModel6`\s+WHERE\s+/', $result);
$this->assertPattern('/WHERE\s+(?:\()?`TestModel6`\.`test_model5_id`\s+=\s+{\$__cakeID__\$}(?:\))?/', $result);
$this->assertPattern('/WHERE\s+(?:\()?`TestModel6`\.`test_model5_id`\s+IN\s+\({\$__cakeID__\$}\)(?:\))?/', $result);
$result = $this->db->generateAssociationQuery($this->model, $null, null, null, null, $queryData, false, $null);
$this->assertPattern('/^SELECT\s+`TestModel5`\.`id`, `TestModel5`\.`test_model4_id`, `TestModel5`\.`name`, `TestModel5`\.`created`, `TestModel5`\.`updated`\s+/', $result);