refactor MySQL component to support SQLite at the same time

src/ZM/Store/Database/DBStatement.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * @noinspection PhpComposerExtensionStubsInspection
+ */
+
+declare(strict_types=1);
+
+namespace ZM\Store\Database;
+
+use Doctrine\DBAL\Driver\Statement;
+use Doctrine\DBAL\ParameterType;
+use IteratorAggregate;
+use PDO;
+use PDOStatement;
+use Traversable;
+
+class DBStatement implements IteratorAggregate, Statement
+{
+    /** @var PDOStatement */
+    private $statement;
+
+    public function __construct($obj)
+    {
+        $this->statement = $obj;
+    }
+
+    public function closeCursor()
+    {
+        return $this->statement->closeCursor();
+    }
+
+    public function columnCount()
+    {
+        return $this->statement->columnCount();
+    }
+
+    public function setFetchMode($fetchMode, $arg2 = null, $arg3 = [])
+    {
+        if ($arg2 !== null && $arg3 !== []) {
+            return $this->statement->setFetchMode($fetchMode, $arg2, $arg3);
+        }
+        if ($arg2 !== null && $arg3 === []) {
+            return $this->statement->setFetchMode($fetchMode, $arg2);
+        }
+        if ($arg2 === null && $arg3 !== []) {
+            return $this->statement->setFetchMode($fetchMode, $arg2, $arg3);
+        }
+
+        return $this->statement->setFetchMode($fetchMode);
+    }
+
+    public function fetch($fetchMode = PDO::FETCH_ASSOC, $cursorOrientation = PDO::FETCH_ORI_NEXT, $cursorOffset = 0)
+    {
+        return $this->statement->fetch($fetchMode, $cursorOrientation, $cursorOffset);
+    }
+
+    public function fetchAll($fetchMode = PDO::FETCH_ASSOC, $fetchArgument = null, $ctorArgs = null)
+    {
+        if ($fetchArgument === null && $ctorArgs === null) {
+            return $this->statement->fetchAll($fetchMode);
+        }
+        if ($fetchArgument !== null && $ctorArgs === null) {
+            return $this->statement->fetchAll($fetchMode, $fetchArgument);
+        }
+
+        return $this->statement->fetchAll($fetchMode, $fetchArgument, $ctorArgs);
+    }
+
+    public function fetchColumn($columnIndex = 0)
+    {
+        return $this->statement->fetchColumn($columnIndex);
+    }
+
+    public function bindValue($param, $value, $type = ParameterType::STRING)
+    {
+        return $this->statement->bindValue($param, $value, $type);
+    }
+
+    public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null)
+    {
+        return $this->statement->bindParam($param, $variable, $type, $length);
+    }
+
+    public function errorCode()
+    {
+        return $this->statement->errorCode();
+    }
+
+    public function errorInfo()
+    {
+        return $this->statement->errorInfo();
+    }
+
+    public function execute($params = null)
+    {
+        return $this->statement->execute($params);
+    }
+
+    public function rowCount()
+    {
+        return $this->statement->rowCount();
+    }
+
+    public function getIterator(): Traversable
+    {
+        while (($result = $this->statement->fetch()) !== false) {
+            yield $result;
+        }
+    }
+
+    /**
+     * @deprecated 最好不使用此方法，此方法可能存在 Bug
+     * @return mixed
+     */
+    public function current()
+    {
+        if (method_exists($this->statement, 'current')) {
+            return $this->statement->current();
+        }
+        return null;
+    }
+}