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chunked query generation for more than 1000 IN arguments

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git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@6416 3807eeeb-6ff5-0310-8944-8be069107fe0
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phishy 2008-01-29 02:38:54 +00:00
parent 423a56c958
commit 9ddbd992e9
1 changed files with 157 additions and 0 deletions
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157
cake/libs/model/datasources/dbo/dbo_oracle.php
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@ -657,6 +657,163 @@ class DboOracle extends DboSource {
}
}
/**
* Enter description here...
*
* @param Model $model
* @param unknown_type $linkModel
* @param string $type Association type
* @param unknown_type $association
* @param unknown_type $assocData
* @param unknown_type $queryData
* @param unknown_type $external
* @param unknown_type $resultSet
* @param integer $recursive Number of levels of association
* @param array $stack
*/
function queryAssociation(&$model, &$linkModel, $type, $association, $assocData, &$queryData, $external = false, &$resultSet, $recursive, $stack) {
if ($query = $this->generateAssociationQuery($model, $linkModel, $type, $association, $assocData, $queryData, $external, $resultSet)) {
if (!isset($resultSet) || !is_array($resultSet)) {
if (Configure::read() > 0) {
e('<div style = "font: Verdana bold 12px; color: #FF0000">' . sprintf(__('SQL Error in model %s:', true), $model->alias) . ' ');
if (isset($this->error) && $this->error != null) {
e($this->error);
}
e('</div>');
}
return null;
}
$count = count($resultSet);
if ($type === 'hasMany' && (!isset($assocData['limit']) || empty($assocData['limit']))) {
$ins = $fetch = array();
for ($i = 0; $i < $count; $i++) {
if ($in = $this->insertQueryData('{$__cakeID__$}', $resultSet[$i], $association, $assocData, $model, $linkModel, $stack)) {
$ins[] = $in;
}
}
if (!empty($ins)) {
$fetch = array();
$ins = array_chunk($ins, 1000);
foreach ($ins as $i) {
$q = str_replace('{$__cakeID__$}', join(', ', $i), $query);
$res = $this->fetchAll($q, $model->cacheQueries, $model->alias);
$fetch = am($fetch, $res);
}
}
if (!empty($fetch) && is_array($fetch)) {
if ($recursive > 0) {
foreach ($linkModel->__associations as $type1) {
foreach ($linkModel->{$type1} as $assoc1 => $assocData1) {
$deepModel =& $linkModel->{$assoc1};
$tmpStack = $stack;
$tmpStack[] = $assoc1;
if ($linkModel->useDbConfig === $deepModel->useDbConfig) {
$db =& $this;
} else {
$db =& ConnectionManager::getDataSource($deepModel->useDbConfig);
}
$db->queryAssociation($linkModel, $deepModel, $type1, $assoc1, $assocData1, $queryData, true, $fetch, $recursive - 1, $tmpStack);
}
}
}
}
return $this->__mergeHasMany($resultSet, $fetch, $association, $model, $linkModel, $recursive);
} elseif ($type === 'hasAndBelongsToMany') {
$ins = $fetch = array();
for ($i = 0; $i < $count; $i++) {
if ($in = $this->insertQueryData('{$__cakeID__$}', $resultSet[$i], $association, $assocData, $model, $linkModel, $stack)) {
$ins[] = $in;
}
}
$foreignKey = $model->hasAndBelongsToMany[$association]['foreignKey'];
$joinKeys = array($foreignKey, $model->hasAndBelongsToMany[$association]['associationForeignKey']);
list($with, $habtmFields) = $model->joinModel($model->hasAndBelongsToMany[$association]['with'], $joinKeys);
$habtmFieldsCount = count($habtmFields);
if (!empty($ins)) {
$fetch = null;
$ins = array_chunk($ins, 1000);
foreach ($ins as $i) {
$q = str_replace('{$__cakeID__$}', '(' .join(', ', $i) .')', $query);
$q = str_replace('= (', 'IN (', $q);
$q = str_replace(' WHERE 1 = 1', '', $q);
$q = $this->insertQueryData($q, null, $association, $assocData, $model, $linkModel, $stack);
if ($q != false) {
$res = $this->fetchAll($q, $model->cacheQueries, $model->alias);
$fetch = am($fetch, $res);
}
}
}
}
for ($i = 0; $i < $count; $i++) {
$row =& $resultSet[$i];
if ($type !== 'hasAndBelongsToMany') {
$q = $this->insertQueryData($query, $resultSet[$i], $association, $assocData, $model, $linkModel, $stack);
if ($q != false) {
$fetch = $this->fetchAll($q, $model->cacheQueries, $model->alias);
} else {
$fetch = null;
}
}
if (!empty($fetch) && is_array($fetch)) {
if ($recursive > 0) {
foreach ($linkModel->__associations as $type1) {
foreach ($linkModel->{$type1} as $assoc1 => $assocData1) {
$deepModel =& $linkModel->{$assoc1};
if (($type1 === 'belongsTo') || ($deepModel->alias === $model->alias && $type === 'belongsTo') || ($deepModel->alias != $model->alias)) {
$tmpStack = $stack;
$tmpStack[] = $assoc1;
if ($linkModel->useDbConfig == $deepModel->useDbConfig) {
$db =& $this;
} else {
$db =& ConnectionManager::getDataSource($deepModel->useDbConfig);
}
$db->queryAssociation($linkModel, $deepModel, $type1, $assoc1, $assocData1, $queryData, true, $fetch, $recursive - 1, $tmpStack);
}
}
}
}
if ($type == 'hasAndBelongsToMany') {
$merge = array();
foreach($fetch as $j => $data) {
if (isset($data[$with]) && $data[$with][$foreignKey] === $row[$model->alias][$model->primaryKey]) {
if ($habtmFieldsCount > 2) {
$merge[] = $data;
} else {
$merge[] = Set::diff($data, array($with => $data[$with]));
}
}
}
if (empty($merge) && !isset($row[$association])) {
$row[$association] = $merge;
} else {
$this->__mergeAssociation($resultSet[$i], $merge, $association, $type);
}
} else {
$this->__mergeAssociation($resultSet[$i], $fetch, $association, $type);
}
$resultSet[$i][$association] = $linkModel->afterfind($resultSet[$i][$association]);
} else {
$tempArray[0][$association] = false;
$this->__mergeAssociation($resultSet[$i], $tempArray, $association, $type);
}
}
}
}
}
?>