117 lines
3.5 KiB
PHP
117 lines
3.5 KiB
PHP
<?php
|
|
/**
|
|
* @link http://www.yiiframework.com/
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
* @license http://www.yiiframework.com/license/
|
|
*/
|
|
|
|
namespace yii\db\sqlite;
|
|
|
|
use yii\db\SqlToken;
|
|
use yii\helpers\StringHelper;
|
|
|
|
/**
|
|
* Command represents an SQLite's SQL statement to be executed against a database.
|
|
*
|
|
* {@inheritdoc}
|
|
*
|
|
* @author Sergey Makinen <sergey@makinen.ru>
|
|
* @since 2.0.14
|
|
*/
|
|
class Command extends \yii\db\Command
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function execute()
|
|
{
|
|
$sql = $this->getSql();
|
|
$params = $this->params;
|
|
$statements = $this->splitStatements($sql, $params);
|
|
if ($statements === false) {
|
|
return parent::execute();
|
|
}
|
|
|
|
$result = null;
|
|
foreach ($statements as $statement) {
|
|
list($statementSql, $statementParams) = $statement;
|
|
$this->setSql($statementSql)->bindValues($statementParams);
|
|
$result = parent::execute();
|
|
}
|
|
$this->setSql($sql)->bindValues($params);
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function queryInternal($method, $fetchMode = null)
|
|
{
|
|
$sql = $this->getSql();
|
|
$params = $this->params;
|
|
$statements = $this->splitStatements($sql, $params);
|
|
if ($statements === false) {
|
|
return parent::queryInternal($method, $fetchMode);
|
|
}
|
|
|
|
list($lastStatementSql, $lastStatementParams) = array_pop($statements);
|
|
foreach ($statements as $statement) {
|
|
list($statementSql, $statementParams) = $statement;
|
|
$this->setSql($statementSql)->bindValues($statementParams);
|
|
parent::execute();
|
|
}
|
|
$this->setSql($lastStatementSql)->bindValues($lastStatementParams);
|
|
$result = parent::queryInternal($method, $fetchMode);
|
|
$this->setSql($sql)->bindValues($params);
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Splits the specified SQL code into individual SQL statements and returns them
|
|
* or `false` if there's a single statement.
|
|
* @param string $sql
|
|
* @param array $params
|
|
* @return string[]|false
|
|
*/
|
|
private function splitStatements($sql, $params)
|
|
{
|
|
$semicolonIndex = strpos($sql, ';');
|
|
if ($semicolonIndex === false || $semicolonIndex === StringHelper::byteLength($sql) - 1) {
|
|
return false;
|
|
}
|
|
|
|
$tokenizer = new SqlTokenizer($sql);
|
|
$codeToken = $tokenizer->tokenize();
|
|
if (count($codeToken->getChildren()) === 1) {
|
|
return false;
|
|
}
|
|
|
|
$statements = [];
|
|
foreach ($codeToken->getChildren() as $statement) {
|
|
$statements[] = [$statement->getSql(), $this->extractUsedParams($statement, $params)];
|
|
}
|
|
return $statements;
|
|
}
|
|
|
|
/**
|
|
* Returns named bindings used in the specified statement token.
|
|
* @param SqlToken $statement
|
|
* @param array $params
|
|
* @return array
|
|
*/
|
|
private function extractUsedParams(SqlToken $statement, $params)
|
|
{
|
|
preg_match_all('/(?P<placeholder>[:][a-zA-Z0-9_]+)/', $statement->getSql(), $matches, PREG_SET_ORDER);
|
|
$result = [];
|
|
foreach ($matches as $match) {
|
|
$phName = ltrim($match['placeholder'], ':');
|
|
if (isset($params[$phName])) {
|
|
$result[$phName] = $params[$phName];
|
|
} elseif (isset($params[':' . $phName])) {
|
|
$result[':' . $phName] = $params[':' . $phName];
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
}
|