eee

ActiveQuery.php

@@ -204,7 +204,7 @@ class ActiveQuery extends QueryTrait implements ISqlBuilder
      */
     public function exists(): bool
     {
-        return $this->buildCommand($this->builder->one())->rowCount() > 0;
+        return $this->buildCommand($this->limit(1)->builder->exists())->exists();
     }
 
 

Base/PDO.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Database\Base;
+
+class PDO extends \PDO
+{
+
+
+    /**
+     * @param string $database
+     * @param string $host
+     * @param string $username
+     * @param string $password
+     * @param array $options
+     */
+    public function __construct(
+        readonly public string $database,
+        readonly public string $host,
+        readonly public string $username,
+        readonly public string $password,
+        readonly public array  $options,
+    )
+    {
+        parent::__construct('mysql:dbname=' . $this->database . ';host=' . $this->host, $this->username, $this->password, $this->options);
+    }
+
+
+}

Command.php

@@ -75,6 +75,19 @@ class Command extends Component
         return $this->search('fetch');
     }
 
+    /**
+     * @return bool
+     * @throws Exception
+     */
+    public function exists(): bool
+    {
+        $data = $this->search('fetch');
+        if (!$data) {
+            return false;
+        }
+        return true;
+    }
+
     /**
      * @return mixed
      * @throws
@@ -88,46 +101,11 @@ class Command extends Component
      * @return mixed
      * @throws
      */
-    public function rowCount(): mixed
+    public function rowCount(): int
     {
-        $client = $this->connection->getConnection();
-        try {
-            $client->setAttribute(PDO::MYSQL_ATTR_USE_BUFFERED_QUERY, true);
-            if (($prepare = $client->query($this->sql)) === false) {
-                throw new Exception('(' . $prepare->errorInfo()[0] . ')' . $client->errorInfo()[2]);
-            }
+        $data = $this->search('fetch');
 
-            $prepare->execute($this->params);
-
-            $count = $prepare->rowCount();
-            $prepare->closeCursor();
-
-            $this->connection->println($this->sql, $this->params);
-
-            return $count;
-        } catch (Throwable $throwable) {
-            if ($this->isRefresh($throwable)) return $this->rowCount();
-
-            $errorMsg = $throwable->getMessage() . PHP_EOL . '                 Sql: ' . $this->sql . '.' . json_encode($this->params);
-            $this->getLogger()->failure($errorMsg . PHP_EOL, 'mysql');
-            return 0;
-        } finally {
-            $this->connection->release($client);
-        }
-    }
-
-
-    /**
-     * @return bool
-     * @throws Exception
-     */
-    public function exists(): bool
-    {
-        $total = $this->search('rowCount');
-        if ($total === false) {
-            throw new Exception('Query data is has error.');
-        }
-        return $total > 0;
+        return !$data ? 0 : +current($data);
     }
 
 

Connection.php

@@ -21,7 +21,6 @@ use Kiri\Abstracts\Component;
 use Kiri\Di\Context;
 use Kiri\Pool\Pool;
 use Kiri\Events\EventProvider;
-use PDO;
 use Kiri\Error\StdoutLogger;
 use Psr\Log\LoggerInterface;
 use Kiri\Server\Events\OnWorkerStart;
@@ -29,6 +28,7 @@ use Kiri\Server\Events\OnTaskerStart;
 use Kiri\Server\Events\OnAfterRequest;
 use Kiri\Di\Inject\Container;
 use Swoole\Timer;
+use Database\Base\PDO;
 
 /**
  * Class Connection
@@ -37,25 +37,26 @@ use Swoole\Timer;
 class Connection extends Component
 {
 
-    public string      $id          = 'db';
-    public string      $cds         = '';
-    public string      $password    = '';
-    public string      $username    = '';
-    public string      $charset     = 'utf-8';
-    public string      $tablePrefix = '';
-    public string      $database    = '';
-    public int         $timeout     = 30;
-    public int         $waite_time  = 3;
-    public int         $tick_time   = 60;
-    public int         $idle_count  = 3;
-    public int         $idle_time   = 60;
-    public array       $pool        = ['max' => 10, 'min' => 1];
-    private int        $storey      = 0;
-    protected int      $timerId     = -1;
-    public bool        $enableCache = false;
-    public string      $cacheDriver = 'redis';
-    public array       $attributes  = [];
-    protected \Closure $_println;
+    public string       $id          = 'db';
+    public string       $cds         = '';
+    public string       $password    = '';
+    public string       $username    = '';
+    public string       $charset     = 'utf-8';
+    public string       $tablePrefix = '';
+    public string       $database    = '';
+    public int          $timeout     = 30;
+    public int          $waite_time  = 3;
+    public int          $tick_time   = 60;
+    public int          $idle_count  = 3;
+    public int          $idle_time   = 60;
+    public array        $pool        = ['max' => 10, 'min' => 1];
+    private int         $storey      = 0;
+    protected int       $timerId     = -1;
+    public bool         $enableCache = false;
+    public string       $cacheDriver = 'redis';
+    public array        $attributes  = [];
+    public array        $slave       = [];
+    protected ?\Closure $_println    = null;
 
 
     /**
@@ -335,14 +336,14 @@ class Connection extends Component
      */
     public function newConnect(): PDO
     {
-        $pdo = new PDO('mysql:dbname=' . $this->database . ';host=' . $this->cds, $this->username, $this->password, [
-            PDO::ATTR_CASE               => PDO::CASE_NATURAL,
-            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
-            PDO::ATTR_ORACLE_NULLS       => PDO::NULL_NATURAL,
-            PDO::ATTR_STRINGIFY_FETCHES  => false,
-            PDO::ATTR_EMULATE_PREPARES   => true,
-            PDO::ATTR_TIMEOUT            => $this->timeout,
-            PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES ' . $this->charset
+        $pdo = new PDO($this->database, $this->cds, $this->username, $this->password, [
+            \PDO::ATTR_CASE               => \PDO::CASE_NATURAL,
+            \PDO::ATTR_ERRMODE            => \PDO::ERRMODE_EXCEPTION,
+            \PDO::ATTR_ORACLE_NULLS       => \PDO::NULL_NATURAL,
+            \PDO::ATTR_STRINGIFY_FETCHES  => false,
+            \PDO::ATTR_EMULATE_PREPARES   => true,
+            \PDO::ATTR_TIMEOUT            => $this->timeout,
+            \PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES ' . $this->charset
         ]);
         foreach ($this->attributes as $key => $attribute) {
             $pdo->setAttribute($key, $attribute);

Db.php

@@ -115,10 +115,11 @@ class Db extends QueryTrait implements ISqlBuilder
 
     /**
      * @return bool
+     * @throws Exception
      */
     public function exists(): bool
     {
-        return $this->connection->createCommand(SqlBuilder::builder($this)->one())->rowCount() > 0;
+        return $this->connection->createCommand(SqlBuilder::builder($this->limit(1))->exists())->exists();
     }
 
     /**

SqlBuilder.php

@@ -235,7 +235,17 @@ class SqlBuilder extends Component
      */
     public function count(): string
     {
-        return $this->makeSelect() . $this->make();
+        return $this->makeSelect(['COUNT(*)']) . $this->make();
+    }
+
+
+    /**
+     * @return string
+     * @throws
+     */
+    public function exists(): string
+    {
+        return $this->makeSelect(['0']) . $this->make();
     }