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62 lines
1.5 KiB
PHP
Executable File
62 lines
1.5 KiB
PHP
Executable File
<?php # vim:ft=php
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require_once('pdo.inc');
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set_sql('create', 'CREATE TABLE test(id int NOT NULL PRIMARY KEY, val VARCHAR(10), grp VARCHAR(10))');
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set_sql('insert1', 'INSERT INTO test VALUES(1, \'A\', \'Group1\')');
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set_sql('insert2', 'INSERT INTO test VALUES(2, \'B\', \'Group2\')');
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set_sql('select1', 'SELECT val, grp FROM test');
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$DB->exec($SQL['create']);
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$DB->exec($SQL['insert1']);
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$DB->exec($SQL['insert2']);
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class Test
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{
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function __construct($name = 'N/A')
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{
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echo __METHOD__ . "($name)\n";
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}
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}
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$stmt = $DB->query($SQL['select1'], PDO_FETCH_CLASS, 'Test', array('WOW'));
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$it = new IteratorIterator($stmt); /* check if we can convert that thing */
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/*** HINT: If YOU plan to do so remember not to call rewind() -> see below ***/
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foreach($it as $data)
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{
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var_dump($data);
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}
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$it->next(); /* must be allowed */
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var_dump($it->current()); /* must return NULL */
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var_dump($it->valid()); /* must return false */
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class PDOStatementAggregate extends PDOStatement implements IteratorAggregate
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{
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private function __construct()
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{
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echo __METHOD__ . "\n";
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$this->setFetchMode(PDO_FETCH_NUM);
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/* default fetch mode is BOTH, so we see if the ctor can overwrite that */
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}
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function getIterator()
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{
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echo __METHOD__ . "\n";
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$this->execute();
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return new IteratorIterator($this, 'PDOStatement');
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}
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}
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$stmt = $DB->prepare($SQL['select1'], array(PDO_ATTR_STATEMENT_CLASS=>array('PDOStatementAggregate')));
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foreach($stmt as $data)
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{
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var_dump($data);
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}
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?>
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