More test case.

Author: lincanbin

README.md

@@ -245,7 +245,7 @@ $DB->closeConnection();
 Iterator
 ------------
 
-Use iterators when you want to read thousands of data from the database for full update of Elastic Search or Solr.
+**Use an iterator** when you want to read thousands of data from the database for statistical or full update of Elastic Search or Solr indexes.
 
 An iterator is a traversable object that does not read all the data queried from MySQL into memory.
 
@@ -264,4 +264,14 @@ foreach($it as $key => $value) {
     sendDataToElasticSearch($key, $value);
     $colorCountMap[$value['color']]++;
 }
+var_export($colorCountMap);
+```
+Return:
+
+```php
+array(3) {
+  [red] => 2
+  [yellow] => 2
+  [green] => 1
+}
 ```

test.php

@@ -1,4 +1,13 @@
 <?php
+if (PHP_SAPI !== "cli") {
+    header('HTTP/1.1 403 Forbidden');
+    exit('error: 403 Access Denied');
+}
+
+if (PHP_OS === "WINNT") {
+    exec('chcp 65001');
+}
+
 $mTime     = explode(' ', microtime());
 $startTime = $mTime[1] + $mTime[0];
 
@@ -29,6 +38,18 @@
 
 var_dump($AffectedRows);
 
+var_export($DB->query("SELECT * FROM fruit WHERE name=:name and color=:color",array('name'=>'apple','color'=>'red')));
+
+var_export($DB->query("SELECT * FROM fruit WHERE name IN (?)",array('apple','banana')));
+
+var_export($DB->column("SELECT color FROM fruit WHERE name IN (?)",array('apple','banana','watermelon')));
+
+var_export($DB->row("SELECT * FROM fruit WHERE name=? and color=?",array('apple','red')));
+
+echo $DB->single("SELECT color FROM fruit WHERE name=? ",array('watermelon'));
+
+
+
 $it = $DB->iterator("SELECT * FROM fruit limit 0, 1000000;");
 $colorCountMap = array(
     'red' => 0,
@@ -37,12 +58,22 @@
 );
 foreach($it as $key => $value) {
     // sendDataToElasticSearch($key, $value);
-    var_dump($key);
-    var_dump($value);
+    var_export($key);
+    var_export($value);
     $colorCountMap[$value['color']]++;
 }
-var_dump($colorCountMap);
+var_export($colorCountMap);
+
+// Delete
+$DB->query("DELETE FROM fruit WHERE id = :id", array("id"=>"1"));
+$DB->query("DELETE FROM fruit WHERE id = ?", array("1")); // Update
+$DB->query("UPDATE fruit SET color = :color WHERE name = :name", array("name"=>"strawberry","color"=>"yellow"));
+$DB->query("UPDATE fruit SET color = ? WHERE name = ?", array("yellow","strawberry"));
+// Insert
+$DB->query("INSERT INTO fruit(id,name,color) VALUES(?,?,?)",array(null,"mango","yellow"));//Parameters must be ordered
+$DB->query("INSERT INTO fruit(id,name,color) VALUES(:id,:name,:color)", array("color"=>"yellow","name"=>"mango","id"=>null));//Parameters order free
 
+echo $DB->querycount;
 
 $mTime     = explode(' ', microtime());
 echo '<br>'.(number_format(($mTime[1] + $mTime[0] - $startTime), 6)*1000).'ms';