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改进数据库类

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thinkphp
2016-04-16 14:17:56 +08:00
parent 6886c03657
commit f5ef285cb2
3 changed files with 247 additions and 227 deletions
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68
library/think/db/Builder.php
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@@ -108,7 +108,7 @@ abstract class Builder
* value分析
* @access protected
* @param mixed $value
* @return string
* @return string|array
*/
protected function parseValue($value)
{
@@ -215,10 +215,9 @@ abstract class Builder
}
if ($value instanceof \Closure) {
// 使用闭包查询
$class = clone $this->query;
$class->options([]);
call_user_func_array($value, [ & $class]);
$str[] = ' ' . $key . ' ( ' . $this->buildWhere($class->getOptions('where'), $table) . ' )';
$query = new Query($this->connection);
call_user_func_array($value, [ & $query]);
$str[] = ' ' . $key . ' ( ' . $this->buildWhere($query->getOptions('where'), $table) . ' )';
} else {
if (strpos($field, '|')) {
// 不同字段使用相同查询条件（OR）
@@ -313,10 +312,9 @@ abstract class Builder
// 执行闭包子查询
protected function parseClosure($call, $show = true)
{
$class = clone $this->query;
$class->options([]);
call_user_func_array($call, [ & $class]);
return $class->buildSql($show);
$query = new Query($this->connection);
call_user_func_array($call, [ & $query]);
return $query->buildSql($show);
}
/**
@@ -461,6 +459,7 @@ abstract class Builder
/**
* 设置锁机制
* @access protected
* @param bool $locl
* @return string
*/
protected function parseLock($lock = false)
@@ -484,18 +483,6 @@ abstract class Builder
$offset = $listRows * ($page - 1);
$options['limit'] = $offset . ',' . $listRows;
}
$sql = $this->parseSql($this->selectSql, $options);
return $sql;
}
/**
* 替换SQL语句中表达式
* @access public
* @param array $options 表达式
* @return string
*/
public function parseSql($sql, $options = [])
{
$sql = str_replace(
['%TABLE%', '%DISTINCT%', '%FIELD%', '%JOIN%', '%WHERE%', '%GROUP%', '%HAVING%', '%ORDER%', '%LIMIT%', '%UNION%', '%LOCK%', '%COMMENT%', '%FORCE%'],
[
@@ -512,10 +499,18 @@ abstract class Builder
$this->parseLock($options['lock']),
$this->parseComment($options['comment']),
$this->parseForce($options['force']),
], $sql);
], $this->selectSql);
return $sql;
}
/**
* 生成insert SQL
* @access public
* @param array $data 数据
* @param array $options 表达式
* @param bool $replace 是否replace
* @return string
*/
public function insert(array $data, $options = [], $replace = false)
{
// 分析并处理数据
@@ -539,6 +534,13 @@ abstract class Builder
return $sql;
}
/**
* 生成insertall SQL
* @access public
* @param array $dataSet 数据集
* @param array $options 表达式
* @return string
*/
public function insertAll($dataSet, $options)
{
$fields = array_map([$this, 'parseKey'], array_keys($dataSet[0]));
@@ -560,6 +562,14 @@ abstract class Builder
return $sql;
}
/**
* 生成slectinsert SQL
* @access public
* @param array $fields 数据
* @param string $table 数据表
* @param array $options 表达式
* @return string
*/
public function selectInsert($fields, $table, $options)
{
if (is_string($fields)) {
@@ -572,9 +582,15 @@ abstract class Builder
return $sql;
}
/**
* 生成update SQL
* @access public
* @param array $fields 数据
* @param array $options 表达式
* @return string
*/
public function update($data, $options)
{
$table = $this->parseTable($options['table']);
$data = $this->parseData($data, $options);
if (empty($data)) {
@@ -600,6 +616,12 @@ abstract class Builder
return $sql;
}
/**
* 生成delete SQL
* @access public
* @param array $options 表达式
* @return string
*/
public function delete($options)
{
$sql = str_replace(