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Fixes #1791: joinWithRelation using table alias.

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This commit is contained in:
Qiang Xue
2014-01-05 17:42:40 -05:00
parent a4f8e82898
commit 795a09c27a
2 changed files with 33 additions and 11 deletions
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30
framework/yii/db/ActiveQuery.php
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@ -326,11 +326,11 @@ class ActiveQuery extends Query implements ActiveQueryInterface
}
/**
* Returns the table alias (or table name) that can be used to prefix column names.
* Returns the table name and the table alias for [[modelClass]].
* @param ActiveQuery $query
* @return string the table alias (or table name) enclosed within double curly brackets.
* @return array the table name and the table alias.
*/
private function getQueryTableAlias($query)
private function getQueryTableName($query)
{
if (empty($query->from)) {
/** @var ActiveRecord $modelClass */
@ -341,12 +341,12 @@ class ActiveQuery extends Query implements ActiveQueryInterface
}
if (preg_match('/^(.*?)\s+({{\w+}}|\w+)$/', $tableName, $matches)) {
$tableName = $matches[2];
$alias = $matches[2];
} else {
$alias = $tableName;
}
if (strpos($tableName, '{{') === false) {
$tableName = '{{' . $tableName . '}}';
}
return $tableName;
return [$tableName, $alias];
}
/**
@ -372,13 +372,21 @@ class ActiveQuery extends Query implements ActiveQueryInterface
return;
}
$parentTable = $this->getQueryTableAlias($parent);
$childTable = $this->getQueryTableAlias($child);
list ($parentTable, $parentAlias) = $this->getQueryTableName($parent);
list ($childTable, $childAlias) = $this->getQueryTableName($child);
if (!empty($child->link)) {
if (strpos($parentAlias, '{{') === false) {
$parentAlias = '{{' . $parentAlias . '}}';
}
if (strpos($childAlias, '{{') === false) {
$childAlias = '{{' . $childAlias . '}}';
}
$on = [];
foreach ($child->link as $childColumn => $parentColumn) {
$on[] = "$parentTable.[[$parentColumn]] = $childTable.[[$childColumn]]";
$on[] = "$parentAlias.[[$parentColumn]] = $childAlias.[[$childColumn]]";
}
$on = implode(' AND ', $on);
} else {