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890e4caf0b
Retain the field, but always populate it with zero. This was already the case for PS without length updating. max_length has nothing lost in the field metadata -- it is a property of the specific result set, and requires scanning the whole result set to compute. PHP itself never uses max_length with mysqlnd, it is only exposed in the raw mysqli API. Keeping it for just that purpose is not worthwhile given the costs involved. People who actually need this for some reason can easily calculate it themselves, while making it obvious that the calculation requires a full result set scan.
115 lines
2.4 KiB
PHP
115 lines
2.4 KiB
PHP
--TEST--
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mysqli_fetch_fields()
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--SKIPIF--
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<?php
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require_once('skipif.inc');
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require_once('skipifconnectfailure.inc');
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?>
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--FILE--
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<?php
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require_once("connect.inc");
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// Note: no SQL type tests, internally the same function gets used as for mysqli_fetch_array() which does a lot of SQL type test
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require('table.inc');
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// Make sure that client, connection and result charsets are all the
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// same. Not sure whether this is strictly necessary.
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if (!mysqli_set_charset($link, 'utf8'))
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printf("[%d] %s\n", mysqli_errno($link), mysqli_errno($link));
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$charsetInfo = mysqli_get_charset($link);
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if (!$res = mysqli_query($link, "SELECT id AS ID, label FROM test AS TEST ORDER BY id LIMIT 1")) {
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printf("[003] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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}
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$fields = mysqli_fetch_fields($res);
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foreach ($fields as $k => $field) {
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var_dump($field);
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switch ($k) {
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case 1:
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/* label column, result set charset */
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if ($field->charsetnr != $charsetInfo->number) {
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printf("[004] Expecting charset %s/%d got %d\n",
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$charsetInfo->charset,
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$charsetInfo->number, $field->charsetnr);
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}
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break;
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}
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}
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mysqli_free_result($res);
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try {
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mysqli_fetch_fields($res);
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} catch (Error $exception) {
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echo $exception->getMessage() . "\n";
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}
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mysqli_close($link);
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print "done!";
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?>
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--CLEAN--
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<?php
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require_once("clean_table.inc");
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?>
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--EXPECTF--
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object(stdClass)#%d (13) {
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["name"]=>
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string(2) "ID"
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["orgname"]=>
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string(2) "id"
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["table"]=>
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string(4) "TEST"
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["orgtable"]=>
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string(%d) "%s"
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["def"]=>
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string(0) ""
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["db"]=>
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string(%d) "%s"
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["catalog"]=>
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string(%d) "%s"
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["max_length"]=>
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int(0)
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["length"]=>
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int(11)
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["charsetnr"]=>
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int(63)
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["flags"]=>
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int(49155)
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["type"]=>
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int(3)
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["decimals"]=>
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int(0)
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}
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object(stdClass)#%d (13) {
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["name"]=>
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string(5) "label"
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["orgname"]=>
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string(5) "label"
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["table"]=>
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string(4) "TEST"
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["orgtable"]=>
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string(%d) "%s"
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["def"]=>
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string(0) ""
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["db"]=>
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string(%d) "%s"
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["catalog"]=>
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string(%d) "%s"
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["max_length"]=>
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int(0)
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["length"]=>
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int(%d)
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["charsetnr"]=>
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int(%d)
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["flags"]=>
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int(0)
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["type"]=>
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int(254)
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["decimals"]=>
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int(0)
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}
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mysqli_result object is already closed
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done!
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