Try to show sorting by indexes only if it makes sense (bug #829594).
This commit is contained in:
Michal Čihař
@@ -10,6 +10,8 @@ $Source$
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* lang/lithuanian: Updated, thanks to Vilius Zigmantas (viliusz).
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* lang/serbian: utf-8 translations contained no strings, regenerated.
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* lang/other: Added missing strings.
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* libraries/display_tbl.lib.php3: Try to show sorting by indexes only if
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it makes sense (bug #829594).
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2003-10-20 Michal Cihar <nijel@users.sourceforge.net>
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* libraries/export/sql.php3: Fix undefined variable for MySQL < 3.23.20
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@@ -482,93 +482,97 @@ if (!defined('PMA_DISPLAY_TBL_LIB_INCLUDED')) {
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$unsorted_sql_query = $sql_query;
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}
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// sorting by indexes
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// sorting by indexes, only if it makes sense
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if (isset($analyzed_sql) && isset($analyzed_sql[0]) &&
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isset($analyzed_sql[0]['querytype']) && $analyzed_sql[0]['querytype'] == 'SELECT' &&
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isset($analyzed_sql[0]['table_ref']) && count($analyzed_sql[0]['table_ref']) == 1) {
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// grab indexes data:
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$local_query = 'SHOW KEYS FROM ' . PMA_backquote($table);
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$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
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$idx_cnt = mysql_num_rows($result);
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// grab indexes data:
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$local_query = 'SHOW KEYS FROM ' . PMA_backquote($table);
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$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
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$idx_cnt = mysql_num_rows($result);
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$prev_index = '';
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for ($i = 0; $i < $idx_cnt; $i++) {
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$row = (defined('PMA_IDX_INCLUDED') ? $ret_keys[$i] : PMA_mysql_fetch_array($result));
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$prev_index = '';
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for ($i = 0; $i < $idx_cnt; $i++) {
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$row = (defined('PMA_IDX_INCLUDED') ? $ret_keys[$i] : PMA_mysql_fetch_array($result));
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if ($row['Key_name'] != $prev_index ){
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$indexes[] = $row['Key_name'];
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$prev_index = $row['Key_name'];
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}
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$indexes_info[$row['Key_name']]['Sequences'][] = $row['Seq_in_index'];
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$indexes_info[$row['Key_name']]['Non_unique'] = $row['Non_unique'];
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if (isset($row['Cardinality'])) {
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$indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
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}
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// I don't know what does following column mean....
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// $indexes_info[$row['Key_name']]['Packed'] = $row['Packed'];
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$indexes_info[$row['Key_name']]['Comment'] = (isset($row['Comment']))
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? $row['Comment']
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: '';
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$indexes_info[$row['Key_name']]['Index_type'] = (isset($row['Index_type']))
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? $row['Index_type']
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: '';
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if ($row['Key_name'] != $prev_index ){
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$indexes[] = $row['Key_name'];
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$prev_index = $row['Key_name'];
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}
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$indexes_info[$row['Key_name']]['Sequences'][] = $row['Seq_in_index'];
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$indexes_info[$row['Key_name']]['Non_unique'] = $row['Non_unique'];
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if (isset($row['Cardinality'])) {
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$indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
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}
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// I don't know what does following column mean....
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// $indexes_info[$row['Key_name']]['Packed'] = $row['Packed'];
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$indexes_info[$row['Key_name']]['Comment'] = (isset($row['Comment']))
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? $row['Comment']
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: '';
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$indexes_info[$row['Key_name']]['Index_type'] = (isset($row['Index_type']))
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? $row['Index_type']
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: '';
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$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name'] = $row['Column_name'];
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if (isset($row['Sub_part'])) {
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$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part'];
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}
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} // end while
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$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name'] = $row['Column_name'];
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if (isset($row['Sub_part'])) {
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$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part'];
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}
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} // end while
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// do we have any index?
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if (isset($indexes_data)) {
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// do we have any index?
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if (isset($indexes_data)) {
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if ($disp_direction == 'horizontal' || $disp_direction == 'horizontalflipped') {
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$span = $fields_cnt;
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} else {
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$span = $num_rows + floor($num_rows/$repeat_cells) + 1;
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}
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if ($is_display['edit_lnk'] != 'nn') $span++;
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if ($is_display['del_lnk'] != 'nn') $span++;
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if ($disp_direction == 'horizontal' || $disp_direction == 'horizontalflipped') {
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$span = $fields_cnt;
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} else {
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$span = $num_rows + floor($num_rows/$repeat_cells) + 1;
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}
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if ($is_display['edit_lnk'] != 'nn') $span++;
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if ($is_display['del_lnk'] != 'nn') $span++;
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?>
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?>
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<tr>
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<td colspan="<?php echo $span; ?>" align="center">
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<?php
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echo '<form action="sql.php3" method="POST">' . "\n";
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echo PMA_generate_common_hidden_inputs($db, $table, 5);
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echo '<input type="hidden" name="pos" value="' . $pos . '" />' . "\n";
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echo '<input type="hidden" name="session_max_rows" value="' . $session_max_rows . '" />' . "\n";
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echo '<input type="hidden" name="disp_direction" value="' . $disp_direction . '" />' . "\n";
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echo '<input type="hidden" name="repeat_cells" value="' . $repeat_cells . '" />' . "\n";
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echo '<input type="hidden" name="dontlimitchars" value="' . $dontlimitchars . '" />' . "\n";
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echo $GLOBALS['strSortByKey'] . ': <select name="sql_query"> ';
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$used_index = false;
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$local_order = str_replace(' ', ' ', $sql_order);
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while (list($key, $val) = each($indexes_data)) {
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$asc_sort = 'ORDER BY ';
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$desc_sort = 'ORDER BY ';
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while (list($key2, $val2) = each($val)) {
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$asc_sort .= PMA_backquote($val2['Column_name']) . ' ASC , ';
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$desc_sort .= PMA_backquote($val2['Column_name']) . ' DESC , ';
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<?php
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echo '<form action="sql.php3" method="POST">' . "\n";
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echo PMA_generate_common_hidden_inputs($db, $table, 5);
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echo '<input type="hidden" name="pos" value="' . $pos . '" />' . "\n";
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echo '<input type="hidden" name="session_max_rows" value="' . $session_max_rows . '" />' . "\n";
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echo '<input type="hidden" name="disp_direction" value="' . $disp_direction . '" />' . "\n";
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echo '<input type="hidden" name="repeat_cells" value="' . $repeat_cells . '" />' . "\n";
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echo '<input type="hidden" name="dontlimitchars" value="' . $dontlimitchars . '" />' . "\n";
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echo $GLOBALS['strSortByKey'] . ': <select name="sql_query"> ';
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$used_index = false;
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$local_order = str_replace(' ', ' ', $sql_order);
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while (list($key, $val) = each($indexes_data)) {
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$asc_sort = 'ORDER BY ';
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$desc_sort = 'ORDER BY ';
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while (list($key2, $val2) = each($val)) {
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$asc_sort .= PMA_backquote($val2['Column_name']) . ' ASC , ';
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$desc_sort .= PMA_backquote($val2['Column_name']) . ' DESC , ';
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}
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$asc_sort = substr($asc_sort, 0, -3);
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$desc_sort = substr($desc_sort, 0, -3);
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$used_index = $used_index || $local_order == $asc_sort || $local_order == $desc_sort;
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echo '<option value="' . htmlspecialchars($unsorted_sql_query . ' ' . $asc_sort) . '"' . ($local_order == $asc_sort ? ' selected="selected"' : '') . '>' . htmlspecialchars($key) . ' (' . $GLOBALS['strAscending'] . ')</option>';
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echo "\n";
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echo '<option value="' . htmlspecialchars($unsorted_sql_query . ' ' . $desc_sort) . '"' . ($local_order == $desc_sort ? ' selected="selected"' : '') . '>' . htmlspecialchars($key) . ' (' . $GLOBALS['strDescending'] . ')</option>';
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echo "\n";
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}
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$asc_sort = substr($asc_sort, 0, -3);
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$desc_sort = substr($desc_sort, 0, -3);
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$used_index = $used_index || $local_order == $asc_sort || $local_order == $desc_sort;
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echo '<option value="' . htmlspecialchars($unsorted_sql_query . ' ' . $asc_sort) . '"' . ($local_order == $asc_sort ? ' selected="selected"' : '') . '>' . htmlspecialchars($key) . ' (' . $GLOBALS['strAscending'] . ')</option>';
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echo '<option value="' . htmlspecialchars($unsorted_sql_query) . '"' . ($used_index ? '' : ' selected="selected"' ) . '>' . $GLOBALS['strNone'] . '</option>';
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echo "\n";
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echo '<option value="' . htmlspecialchars($unsorted_sql_query . ' ' . $desc_sort) . '"' . ($local_order == $desc_sort ? ' selected="selected"' : '') . '>' . htmlspecialchars($key) . ' (' . $GLOBALS['strDescending'] . ')</option>';
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echo '</select> ';
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echo "\n";
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}
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echo '<option value="' . htmlspecialchars($unsorted_sql_query) . '"' . ($used_index ? '' : ' selected="selected"' ) . '>' . $GLOBALS['strNone'] . '</option>';
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echo "\n";
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echo '</select> ';
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echo "\n";
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echo '<input type="submit" value="' . $GLOBALS['strGo'] . '" />';
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echo "\n";
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echo '</form>';
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echo "\n";
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?>
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echo '<input type="submit" value="' . $GLOBALS['strGo'] . '" />';
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echo "\n";
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echo '</form>';
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echo "\n";
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?>
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</td>
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</tr>
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<?php
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<?php
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}
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}
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}
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