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remove custom MIME type change for BLOB streaming because in its current version it can be a very costly operation

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This commit is contained in:
Marc Delisle
2010-08-03 16:21:17 -04:00
parent 29cc239057
commit d46bb6d877
4 changed files with 3 additions and 90 deletions
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2
Documentation.html
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@@ -4321,7 +4321,7 @@ chmod o+rwx tmp
<li>In <tt>config.inc.php</tt> your host should be defined with a FQDN (fully qualified domain name) instead of &quot;localhost&quot;.</li>
<li>Ensure that your target table is under the <tt>PBXT</tt> storage engine and has a <tt>LONGBLOB</tt> column (which must be nullable if you want to remove the BLOB reference from it).</li>
<li>When you insert or update a row in this table, put a checkmark on the &quot;Upload to BLOB repository&quot; optional choice; otherwise, the upload will be done directly in your LONGBLOB column instead of the repository.</li>
<li>Finally when you browse your table, you'll see in your column a link to stream your data, for example &quot;View image&quot;. A header containing the correct MIME-type will be sent to your browser; this MIME-type was stored at upload time but in case it's incorrect, it's possible to edit it by clicking on the displayed MIME-type.</li>
<li>Finally when you browse your table, you'll see in your column a link to stream your data, for example &quot;View image&quot;. A header containing the correct MIME-type will be sent to your browser; this MIME-type was stored at upload time.</li>
</ol>
<h4 id="faq6_26">

48
bs_change_mime_type.php
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@@ -1,48 +0,0 @@
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* @package BLOBStreaming
*/
/**
* Core library.
*/
require_once './libraries/common.inc.php';
/**
* @var string contains database name
*/
$bsDB = isset($_REQUEST['bs_db']) ? urldecode($_REQUEST['bs_db']) : NULL;
/**
* @var string contains table name
*/
$bsTable = isset($_REQUEST['bs_table']) ? urldecode($_REQUEST['bs_table']) : NULL;
/**
* @var string contains BLOB reference
*/
$bsReference = isset($_REQUEST['bs_reference']) ? urldecode($_REQUEST['bs_reference']) : NULL;
/**
* @var string contains MIME type
*/
$bsNewMIMEType = isset($_REQUEST['bs_new_mime_type']) ? urldecode($_REQUEST['bs_new_mime_type']) : NULL;
// necessary variables exist
if ($bsDB && $bsTable && $bsReference && $bsNewMIMEType)
{
if (PMA_BS_SetContentType($bsDB, $bsTable, $bsReference, $bsNewMIMEType)) {
// determine redirector page
$newLoc = $cfg['PmaAbsoluteUri'] . 'sql.php?' . PMA_generate_common_url ('','', '&') . (isset($bsDB) ? '&db=' . urlencode($bsDB) : '') . (isset($bsTable) ? '&table=' . urlencode($bsTable) : '') . (isset($token) ? '&token=' . urlencode($token) : '') . (isset($goto) ? '&goto=' . urlencode($goto) : '') . '&reload=1&purge=1';
// redirect to specified page
?>
<script>
window.location = "<?php echo $newLoc ?>";
</script>
<?php
} // end if ($result)
} // end if ($bsDB && $bsTable && $bsReference && $bsNewMIMEType)
?>

40
js/functions.js
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@@ -1660,46 +1660,6 @@ function popupBSMedia(url_params, bs_ref, m_type, is_cust_type, w_width, w_heigh
var mediaWin = window.open('bs_play_media.php?' + url_params + '&bs_reference=' + bs_ref + '&media_type=' + m_type + '&custom_type=' + is_cust_type, 'viewBSMedia', 'width=' + w_width + ', height=' + w_height + ', resizable=1, scrollbars=1, status=0');
}
/**
* popups a request for changing MIME types for files in the BLOB repository
*
* @param var db database name
* @param var table table name
* @param var reference BLOB repository reference
* @param var current_mime_type current MIME type associated with BLOB repository reference
*/
function requestMIMETypeChange(db, table, reference, current_mime_type)
{
// no mime type specified, set to default (nothing)
if (undefined == current_mime_type)
current_mime_type = "";
// prompt user for new mime type
var new_mime_type = prompt("Enter custom MIME type", current_mime_type);
// if new mime_type is specified and is not the same as the previous type, request for mime type change
if (new_mime_type && new_mime_type != current_mime_type)
changeMIMEType(db, table, reference, new_mime_type);
}
/**
* changes MIME types for files in the BLOB repository
*
* @param var db database name
* @param var table table name
* @param var reference BLOB repository reference
* @param var mime_type new MIME type to be associated with BLOB repository reference
*/
function changeMIMEType(db, table, reference, mime_type)
{
// specify url and parameters for jQuery POST
var mime_chg_url = 'bs_change_mime_type.php';
var params = { bs_db: db, bs_table: table, bs_reference: reference, bs_new_mime_type: mime_type };
// jQuery POST
jQuery.post(mime_chg_url, params);
}
/**
* Jquery Coding for inline editing SQL_QUERY
*/

3
libraries/blobstreaming.lib.php
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@@ -332,7 +332,8 @@ function PMA_BS_CreateReferenceLink($bs_reference, $db_name)
return 'Error';
}
$output = "<a href=\"#\" onclick=\"requestMIMETypeChange('" . urlencode($db_name) . "', '" . urlencode($GLOBALS['table']) . "', '" . urlencode($bs_reference) . "', '" . urlencode($content_type) . "')\">$content_type</a>";
//$output = "<a href=\"#\" onclick=\"requestMIMETypeChange('" . urlencode($db_name) . "', '" . urlencode($GLOBALS['table']) . "', '" . urlencode($bs_reference) . "', '" . urlencode($content_type) . "')\">$content_type</a>";
$output = $content_type;
// specify custom HTML for various content types
switch ($content_type) {