b8df10e41e
compatibility and bandwidth saving. Memory issues by caching should not arise, as the used cache will (in our previously used cases) only cache index fields and max. 200 relation rows. I tested performance on my machine: By fetching 400kb of data twice via mysql_fetch_row() -> mysql_data_seek() -> mysql_fetch_row() this was performed in 0.25 seconds. By fetching it once and caching in a PHP array via mysql_fetch_row -> foreach this is performed in 0.32 seconds. With usual data as used in PMA (10kb) I could only detect a performance change of 0.009 seconds, which is respectable I think. By not using mysql_data_seek we are later able to use global mysqli USE_RESULT options to fetch rows singly. I discussed that yesterday with Rabus, and if there are any objections we can surely discuss that further on the list.
290 lines
11 KiB
PHP
290 lines
11 KiB
PHP
<?php
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/* $Id$ */
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// vim: expandtab sw=4 ts=4 sts=4:
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/**
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* Gets some core libraries
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*/
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require_once('./libraries/grab_globals.lib.php');
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require_once('./libraries/common.lib.php');
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require_once('./libraries/relation.lib.php'); // foreign keys
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if ($cfg['PropertiesIconic'] == true) {
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// We need to copy the value or else the == 'both' check will always return true
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$propicon = (string)$cfg['PropertiesIconic'];
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if ($propicon == 'both') {
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$iconic_spacer = '<nobr>';
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} else {
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$iconic_spacer = '';
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}
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$titles['Browse'] = $iconic_spacer . '<img width="12" height="13" src="images/button_browse.png" alt="' . $strBrowseForeignValues . '" title="' . $strBrowseForeignValues . '" border="0" />';
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if ($propicon == 'both') {
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$titles['Browse'] .= ' ' . $strBrowseForeignValues . '</nobr>';
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}
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} else {
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$titles['Browse'] = $strBrowseForeignValues;
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}
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/**
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* Defines arrays of functions (should possibly be in config.inc.php
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* so it can also be used in tbl_qbe.php)
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*
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* LIKE works also on integers and dates so I added it in numfunctions
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*/
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$numfunctions = array('=', '>', '>=', '<', '<=', '!=', 'LIKE');
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$textfunctions = array('LIKE', '=', '!=');
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/**
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* Not selection yet required -> displays the selection form
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*/
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if (!isset($param) || $param[0] == '') {
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// Gets some core libraries
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require('./tbl_properties_common.php');
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//$err_url = 'tbl_select.php' . $err_url;
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$url_query .= '&goto=tbl_select.php&back=tbl_select.php';
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require('./tbl_properties_table_info.php');
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if (!isset($goto)) {
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$goto = $cfg['DefaultTabTable'];
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}
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// Defines the url to return to in case of error in the next sql statement
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$err_url = $goto . '?' . PMA_generate_common_url($db, $table);
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// Gets the list and number of fields
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$result = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table) . ' FROM ' . PMA_backquote($db) . ';');
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$fields_cnt = PMA_DBI_num_rows($result);
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while ($row = PMA_DBI_fetch_assoc($result)) {
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$fields_list[] = $row['Field'];
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$type = $row['Type'];
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// reformat mysql query output - staybyte - 9. June 2001
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$shorttype = substr($type, 0, 3);
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if ($shorttype == 'set' || $shorttype == 'enu') {
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$type = str_replace(',', ', ', $type);
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} else {
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$type = preg_replace('@BINARY@i', '', $type);
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$type = preg_replace('@ZEROFILL@i', '', $type);
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$type = preg_replace('@UNSIGNED@i', '', $type);
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}
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if (empty($type)) {
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$type = ' ';
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}
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$fields_type[] = $type;
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} // end while
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PMA_DBI_free_result($result);
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// <markus@noga.de>
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// retrieve keys into foreign fields, if any
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$cfgRelation = PMA_getRelationsParam();
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// check also foreigners even if relwork is FALSE (to get
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// foreign keys from innodb)
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//$foreigners = ($cfgRelation['relwork'] ? PMA_getForeigners($db, $table) : FALSE);
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$foreigners = PMA_getForeigners($db, $table);
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?>
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<form method="post" action="tbl_select.php" name="insertForm">
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<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
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<input type="hidden" name="goto" value="<?php echo $goto; ?>" />
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<input type="hidden" name="back" value="tbl_select.php" />
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<?php echo $strSelectFields; ?> :<br />
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<select name="param[]" size="<?php echo ($fields_cnt < 10) ? $fields_cnt : 10; ?>" multiple="multiple">
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<?php
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echo "\n";
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// Displays the list of the fields
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for ($i = 0 ; $i < $fields_cnt; $i++) {
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echo ' <option value="' . htmlspecialchars($fields_list[$i]) . '" selected="selected">' . htmlspecialchars($fields_list[$i]) . '</option>' . "\n";
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}
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?>
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</select><br />
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<ul>
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<li>
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<div style="margin-bottom: 10px">
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<?php echo $strLimitNumRows . "\n"; ?>
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<input type="text" size="4" name="session_max_rows" value="<?php echo $cfg['MaxRows']; ?>" class="textfield" />
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</div>
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</li>
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<li>
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<?php echo $strAddSearchConditions; ?><br />
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<input type="text" name="where" class="textfield" />
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<?php echo PMA_showMySQLDocu('Reference', 'Functions') . "\n"; ?>
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<br /><br />
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<?php echo '<i>' . $strOr . '</i> ' . $strDoAQuery; ?><br />
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<table border="<?php echo $cfg['Border']; ?>">
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<tr>
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<th><?php echo $strField; ?></th>
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<th><?php echo $strType; ?></th>
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<th><?php echo $strFunction; ?></th>
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<th><?php echo $strValue; ?></th>
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</tr>
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<?php
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for ($i = 0; $i < $fields_cnt; $i++) {
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echo "\n";
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$bgcolor = ($i % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo'];
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?>
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<tr>
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<td bgcolor="<?php echo $bgcolor; ?>"><?php echo htmlspecialchars($fields_list[$i]); ?></td>
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<td bgcolor="<?php echo $bgcolor; ?>"><?php echo $fields_type[$i]; ?></td>
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<td bgcolor="<?php echo $bgcolor; ?>">
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<select name="func[]">
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<?php
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if (preg_match('@char|blob|text|set|enum@i', $fields_type[$i])) {
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foreach($textfunctions AS $k => $fc) {
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echo "\n" . ' '
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. '<option value="' . htmlspecialchars($fc) . '">' . htmlspecialchars($fc) . '</option>';
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} // end while
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} else {
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foreach($numfunctions AS $k => $fc) {
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echo "\n" . ' '
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. '<option value="' . htmlspecialchars($fc) . '">' . htmlspecialchars($fc) . '</option>';
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} // end while
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} // end if... else...
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echo "\n";
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?>
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</select>
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</td>
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<td bgcolor="<?php echo $bgcolor; ?>">
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<?php
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// <markus@noga.de>
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$field = $fields_list[$i];
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// do not use require_once here
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require('./libraries/get_foreign.lib.php');
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echo "\n";
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// we got a bug report: in some cases, even if $disp is true,
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// there are no rows, so we add a fetch_array
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if ($foreigners && isset($foreigners[$field]) && isset($disp_row) && is_array($disp_row)) {
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// f o r e i g n k e y s
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echo ' <select name="fields[]">' . "\n";
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// go back to first row
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echo PMA_foreignDropdown($disp_row, $foreign_field, $foreign_display, $data, 100);
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echo ' </select>' . "\n";
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} else if (isset($foreign_link) && $foreign_link == true) {
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?>
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<input type="text" name="fields[]" id="field_<?php echo md5($field); ?>[]" class="textfield" />
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<script type="text/javascript" language="javascript">
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document.writeln('<a target="_blank" onclick="window.open(this.href, \'foreigners\', \'width=640,height=240,scrollbars=yes\'); return false" href="browse_foreigners.php?<?php echo PMA_generate_common_url($db, $table); ?>&field=<?php echo urlencode($field); ?>"><?php echo str_replace("'", "\'", $titles['Browse']); ?></a>');
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</script>
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<?php
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} else if (substr($fields_type[$i], 0, 3)=='enu'){
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// e n u m s
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$enum_value=explode(', ', str_replace("'", '', substr($fields_type[$i], 5, -1)));
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echo ' <select name="fields[]">' . "\n";
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echo ' <option value=""></option>' . "\n";
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$cnt_enum_value = count($enum_value);
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for ($j=0; $j<$cnt_enum_value;$j++){
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echo ' <option value="' . $enum_value[$j] . '">' . $enum_value[$j] . '</option>';
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} // end for
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echo ' </select>' . "\n";
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} else {
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// o t h e r c a s e s
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echo ' <input type="text" name="fields[]" size="40" class="textfield" />' . "\n";
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}
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?>
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<input type="hidden" name="names[]" value="<?php echo htmlspecialchars($fields_list[$i]); ?>" />
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<input type="hidden" name="types[]" value="<?php echo $fields_type[$i]; ?>" />
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</td>
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</tr>
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<?php
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} // end for
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echo "\n";
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?>
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</table><br />
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</li>
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<li>
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<?php echo $strDisplayOrder; ?><br />
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<select name="orderField" style="vertical-align: middle">
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<option value="--nil--"></option>
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<?php
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echo "\n";
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for ($i = 0; $i < $fields_cnt; $i++) {
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echo ' ';
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echo '<option value="' . htmlspecialchars($fields_list[$i]) . '">' . htmlspecialchars($fields_list[$i]) . '</option>' . "\n";
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} // end for
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?>
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</select>
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<input type="radio" name="order" value="ASC" checked="checked" />
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<?php echo $strAscending; ?>
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<input type="radio" name="order" value="DESC" />
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<?php echo $strDescending; ?><br /><br />
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</li>
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</ul>
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<input type="hidden" name="max_number_of_fields" value="<?php echo $fields_cnt; ?>" />
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<input type="submit" name="submit" value="<?php echo $strGo; ?>" />
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</form>
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<?php
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require_once('./footer.inc.php');
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}
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/**
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* Selection criteria have been submitted -> do the work
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*/
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else {
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// Builds the query
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$sql_query = 'SELECT ';
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// if all fields were selected to display, we do a SELECT *
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// (more efficient and this helps prevent a problem in IE
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// if one of the rows is edited and we come back to the Select results)
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if (count($param) == $max_number_of_fields) {
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$sql_query .= '* ';
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} else {
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$sql_query .= PMA_backquote(urldecode($param[0]));
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$i = 0;
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$c = count($param);
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while ($i < $c) {
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if ($i > 0) {
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$sql_query .= ',' . PMA_backquote(urldecode($param[$i]));
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}
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$i++;
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}
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} // end if
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$sql_query .= ' FROM ' . PMA_backquote($table);
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// The where clause
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if ($where != '') {
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$sql_query .= ' WHERE ' . $where;
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}
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else {
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$sql_query .= ' WHERE 1';
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$cnt_fields = count($fields);
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for ($i = 0; $i < $cnt_fields; $i++) {
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if (!empty($fields) && $fields[$i] != '') {
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if (preg_match('@char|blob|text|set|enum|date|time|year@i', $types[$i])) {
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$quot = '\'';
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} else {
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$quot = '';
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}
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if (strtoupper($fields[$i]) == 'NULL' || strtoupper($fields[$i]) == 'NOT NULL') {
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$quot = '';
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$func[$i] = 'IS';
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}
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//$sql_query .= ' AND ' . PMA_backquote(urldecode($names[$i])) . " $func[$i] $quot$fields[$i]$quot";
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$sql_query .= ' AND ' . PMA_backquote(urldecode($names[$i])) . ' ' . $func[$i] . ' ' . $quot . PMA_sqlAddslashes($fields[$i]) . $quot;
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} // end if
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} // end for
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} // end if
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if ($orderField != '--nil--') {
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$sql_query .= ' ORDER BY ' . PMA_backquote(urldecode($orderField)) . ' ' . $order;
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} // end if
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include('./sql.php');
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}
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?>
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