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remove unneeded preg_match(); remove unneeded processing if no ORDER BY clause

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This commit is contained in:
Marc Delisle
2008-07-26 20:28:16 +00:00
parent f177b0312b
commit 552387c095
1 changed files with 15 additions and 13 deletions
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14
libraries/display_tbl.lib.php
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@@ -448,7 +448,7 @@ onsubmit="return (checkFormElementInRange(this, 'session_max_rows', '<?php echo
* *
* @see PMA_displayTable() * @see PMA_displayTable()
*/ */
function PMA_displayTableHeaders(&$is_display, &$fields_meta, $fields_cnt = 0, $analyzed_sql = '', $sort_expression, $sort_expression_nodirection) function PMA_displayTableHeaders(&$is_display, &$fields_meta, $fields_cnt = 0, $analyzed_sql = '', $sort_expression, $sort_expression_nodirection, $sort_direction)
{ {
global $db, $table, $goto; global $db, $table, $goto;
global $sql_query, $num_rows; global $sql_query, $num_rows;
@@ -781,7 +781,7 @@ function PMA_displayTableHeaders(&$is_display, &$fields_meta, $fields_cnt = 0, $
$sort_order .= $GLOBALS['cfg']['Order']; $sort_order .= $GLOBALS['cfg']['Order'];
} }
$order_img = ''; $order_img = '';
} elseif (preg_match('@[[:space:]]DESC$@i', $sort_expression)) { } elseif ('DESC' == $sort_direction) {
$sort_order .= ' ASC'; $sort_order .= ' ASC';
$order_img = ' <img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 's_desc.png" width="11" height="9" alt="'. $GLOBALS['strDescending'] . '" title="'. $GLOBALS['strDescending'] . '" id="soimg' . $i . '" />'; $order_img = ' <img class="icon" src="' . $GLOBALS['pmaThemeImage'] . 's_desc.png" width="11" height="9" alt="'. $GLOBALS['strDescending'] . '" title="'. $GLOBALS['strDescending'] . '" id="soimg' . $i . '" />';
} else { } else {
@@ -1744,16 +1744,18 @@ function PMA_displayTable(&$dt_result, &$the_disp_mode, $analyzed_sql)
// we need $sort_expression and $sort_expression_nodirection // we need $sort_expression and $sort_expression_nodirection
// even if there are many table references // even if there are many table references
if (! empty($analyzed_sql[0]['order_by_clause'])) {
$sort_expression = trim(str_replace(' ', ' ', $analyzed_sql[0]['order_by_clause'])); $sort_expression = trim(str_replace(' ', ' ', $analyzed_sql[0]['order_by_clause']));
/** /**
* Get rid of ASC|DESC * Get rid of ASC|DESC
* @todo analyzer
*/ */
preg_match('@(.*)([[:space:]]*(ASC|DESC))@si', $sort_expression, $matches); preg_match('@(.*)([[:space:]]*(ASC|DESC))@si', $sort_expression, $matches);
$sort_expression_nodirection = isset($matches[1]) ? trim($matches[1]) : $sort_expression; $sort_expression_nodirection = isset($matches[1]) ? trim($matches[1]) : $sort_expression;
$sort_direction = isset($matches[2]) ? trim($matches[2]) : '';
unset($matches); unset($matches);
} else {
$sort_expression = $sort_expression_nodirection = $sort_direction = '';
}
// 1.4 Prepares display of first and last value of the sorted column // 1.4 Prepares display of first and last value of the sorted column
@@ -1894,7 +1896,7 @@ function PMA_displayTable(&$dt_result, &$the_disp_mode, $analyzed_sql)
// end 2b // end 2b
// 3. ----- Displays the results table ----- // 3. ----- Displays the results table -----
PMA_displayTableHeaders($is_display, $fields_meta, $fields_cnt, $analyzed_sql, $sort_expression, $sort_expression_nodirection); PMA_displayTableHeaders($is_display, $fields_meta, $fields_cnt, $analyzed_sql, $sort_expression, $sort_expression_nodirection, $sort_direction);
$url_query = ''; $url_query = '';
echo '<tbody>' . "\n"; echo '<tbody>' . "\n";
PMA_displayTableBody($dt_result, $is_display, $map, $analyzed_sql); PMA_displayTableBody($dt_result, $is_display, $map, $analyzed_sql);