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改进一对一关联预载入查询 支持使用IN方式 一对一关联类增加setEagerlyType方法用于设置预载入查询方式 默认为JOIN方式，setEagerlyType(1) 使用IN方式

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Loader类的parseName方法增加第三个参数 用于驼峰法转换是否首字母大写
This commit is contained in:
thinkphp
2016-12-13 11:43:26 +08:00
parent 8e8355e2d8
commit 082b3bea81
6 changed files with 222 additions and 30 deletions
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65
library/think/model/relation/HasOne.php
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@@ -73,4 +73,69 @@ class HasOne extends OneToOne
->join($table . ' b', 'a.' . $this->localKey . '=b.' . $this->foreignKey, $this->joinType)
->where($where);
}
/**
* 预载入关联查询（数据集）
* @access public
* @param array $resultSet 数据集
* @param string $relation 当前关联名
* @param string $subRelation 子关联名
* @param \Closure $closure 闭包
* @param string $class 数据集对象名 为空表示数组
* @return void
*/
protected function eagerlySet(&$resultSet, $relation, $subRelation, $closure, $class)
{
$localKey = $this->localKey;
$foreignKey = $this->foreignKey;
$range = [];
foreach ($resultSet as $result) {
// 获取关联外键列表
if (isset($result->$localKey)) {
$range[] = $result->$localKey;
}
}
if (!empty($range)) {
$this->where[$foreignKey] = ['in', $range];
$data = $this->eagerlyWhere($this, [
$foreignKey => [
'in',
$range,
],
], $foreignKey, $relation, $subRelation, $closure);
// 关联数据封装
foreach ($resultSet as $result) {
if (!isset($data[$result->$localKey])) {
$data[$result->$localKey] = [];
}
$result->setAttr($relation, $this->resultSetBuild($data[$result->$localKey], $class));
}
}
}
/**
* 预载入关联查询（数据）
* @access public
* @param Model $result 数据对象
* @param string $relation 当前关联名
* @param string $subRelation 子关联名
* @param \Closure $closure 闭包
* @param string $class 数据集对象名 为空表示数组
* @return void
*/
protected function eagerlyOne(&$result, $relation, $subRelation, $closure, $class)
{
$localKey = $this->localKey;
$foreignKey = $this->foreignKey;
$data = $this->eagerlyWhere($this, [$foreignKey => $result->$localKey], $foreignKey, $relation, $subRelation, $closure);
// 关联数据封装
if (!isset($data[$result->$localKey])) {
$data[$result->$localKey] = [];
}
$result->setAttr($relation, $this->resultSetBuild($data[$result->$localKey], $class));
}
}