Viewing file:  tbl_indexes.php (19.93 KB) -rw-r--r--
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<?php
/* $Id: tbl_indexes.php,v 2.3 2003/11/26 22:52:24 rabus Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Gets some core libraries
*/
require_once('./libraries/grab_globals.lib.php');
require_once('./libraries/common.lib.php');
/**
* Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
*/
$index_types_cnt = 4;
$index_types = array(
'PRIMARY',
'INDEX',
'UNIQUE',
'FULLTEXT'
);
/**
* Ensures the db & table are valid, then loads headers and gets indexes
* informations.
* Skipped if this script is called by "tbl_properties.php"
*/
if (!defined('PMA_IDX_INCLUDED')) {
// Not a valid db name -> back to the welcome page
if (!empty($db)) {
$is_db = @PMA_mysql_select_db($db);
}
if (empty($db) || !$is_db) {
header('Location: ' . $cfg['PmaAbsoluteUri'] . 'main.php?' . PMA_generate_common_url('', '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
exit;
}
// Not a valid table name -> back to the default db_details sub-page
if (!empty($table)) {
$is_table = @PMA_mysql_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'');
}
if (empty($table)
|| !($is_table && @mysql_numrows($is_table))) {
header('Location: ' . $cfg['PmaAbsoluteUri'] . $cfg['DefaultTabDatabase'] . '?' . PMA_generate_common_url($db, '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
exit;
} else if (isset($is_table)) {
mysql_free_result($is_table);
}
// Displays headers (if needed)
$js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
require_once('./header.inc.php');
} // end if
/**
* Gets fields and indexes informations
*/
if (defined('PMA_IDX_INCLUDED')) {
$err_url_0 = 'db_details.php?' . PMA_generate_common_url($db);
}
// Gets table keys and store them in arrays
$indexes = array();
$prev_index = '';
$indexes_info = array();
$indexes_data = array();
// keys had already been grabbed in "tbl_properties.php"
if (defined('PMA_IDX_INCLUDED')) {
$idx_cnt = count($ret_keys);
} else {
$local_query = 'SHOW KEYS FROM ' . PMA_backquote($table);
$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
$idx_cnt = mysql_num_rows($result);
}
for ($i = 0; $i < $idx_cnt; $i++) {
$row = (defined('PMA_IDX_INCLUDED') ? $ret_keys[$i] : PMA_mysql_fetch_array($result));
if ($row['Key_name'] != $prev_index ){
$indexes[] = $row['Key_name'];
$prev_index = $row['Key_name'];
}
$indexes_info[$row['Key_name']]['Sequences'][] = $row['Seq_in_index'];
$indexes_info[$row['Key_name']]['Non_unique'] = $row['Non_unique'];
if (isset($row['Cardinality'])) {
$indexes_info[$row['Key_name']]['Cardinality'] = $row['Cardinality'];
}
// I don't know what does following column mean....
// $indexes_info[$row['Key_name']]['Packed'] = $row['Packed'];
$indexes_info[$row['Key_name']]['Comment'] = (isset($row['Comment']))
? $row['Comment']
: '';
$indexes_info[$row['Key_name']]['Index_type'] = (isset($row['Index_type']))
? $row['Index_type']
: '';
$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Column_name'] = $row['Column_name'];
if (isset($row['Sub_part'])) {
$indexes_data[$row['Key_name']][$row['Seq_in_index']]['Sub_part'] = $row['Sub_part'];
}
} // end while
if (defined('PMA_IDX_INCLUDED')) {
unset($ret_keys);
} else if ($result) {
mysql_free_result($result);
}
// Get fields and stores their name/type
// fields had already been grabbed in "tbl_properties.php"
if (defined('PMA_IDX_INCLUDED')) {
mysql_data_seek($fields_rs, 0);
} else {
$local_query = 'SHOW FIELDS FROM ' . PMA_backquote($table);
$fields_rs = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url_0);
$fields_cnt = mysql_num_rows($fields_rs);
}
$fields_names = array();
$fields_types = array();
while ($row = PMA_mysql_fetch_array($fields_rs)) {
$fields_names[] = $row['Field'];
// loic1: set or enum types: slashes single quotes inside options
if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
$tmp[2] = substr(preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1);
$fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
} else {
$fields_types[] = $row['Type'];
}
} // end while
if ($fields_rs) {
mysql_free_result($fields_rs);
}
/**
* Do run the query to build the new index and moves back to
* "tbl_properties.php"
*/
if (!defined('PMA_IDX_INCLUDED')
&& (isset($index) && isset($do_save_data))) {
$err_url = 'tbl_indexes.php?' . PMA_generate_common_url($db, $table);
if (empty($old_index)) {
$err_url .= '&create_index=1&idx_num_fields=' . $idx_num_fields;
} else {
$err_url .= '&index=' . urlencode($old_index);
}
if ($index_type == 'PRIMARY') {
if ($index == '') {
$index = 'PRIMARY';
} else if ($index != 'PRIMARY') {
PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
}
} else if ($index == 'PRIMARY') {
PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
}
// $sql_query is the one displayed in the query box
$sql_query = 'ALTER TABLE ' . PMA_backquote($table);
// Drops the old index
if (!empty($old_index)) {
if ($old_index == 'PRIMARY') {
$sql_query .= ' DROP PRIMARY KEY,';
} else {
$sql_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
}
} // end if
// Builds the new one
switch ($index_type) {
case 'PRIMARY':
$sql_query .= ' ADD PRIMARY KEY (';
break;
case 'FULLTEXT':
$sql_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
break;
case 'UNIQUE':
$sql_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
break;
case 'INDEX':
$sql_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
break;
} // end switch
$index_fields = '';
foreach($column AS $i => $name) {
if ($name != '--ignore--') {
$index_fields .= (empty($index_fields) ? '' : ',')
. PMA_backquote($name)
. (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
}
} // end while
if (empty($index_fields)){
PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
} else {
$sql_query .= $index_fields . ')';
}
$result = PMA_mysql_query($sql_query) or PMA_mysqlDie('', $sql_query, FALSE, $err_url);
$message = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
$active_page = 'tbl_properties_structure.php';
require('./tbl_properties_structure.php');
} // end builds the new index
/**
* Edits an index or defines a new one
*/
else if (!defined('PMA_IDX_INCLUDED')
&& (isset($index) || isset($create_index))) {
// Prepares the form values
if (!isset($index)) {
$index = '';
}
if (!isset($old_index)){
$old_index = $index;
}
if (!isset($index_type)) {
$index_type = '';
}
if ($old_index == '' || !isset($indexes_info[$old_index])) {
$edited_index_info['Sequences'] = array();
$edited_index_data = array();
for ($i = 1; $i <= $idx_num_fields; $i++) {
$edited_index_info['Sequences'][] = $i;
$edited_index_data[$i] = array('Column_name' => '', 'Sub_part' => '');
} // end for
if ($old_index == ''
&& !isset($indexes_info['PRIMARY'])
&& ($index_type == '' || $index_type == 'PRIMARY')) {
$old_index = 'PRIMARY';
}
} else {
$edited_index_info = $indexes_info[$old_index];
$edited_index_data = $indexes_data[$old_index];
if ((PMA_MYSQL_INT_VERSION < 40002 && $edited_index_info['Comment'] == 'FULLTEXT')
|| (PMA_MYSQL_INT_VERSION >= 40002 && $edited_index_info['Index_type'] == 'FULLTEXT')) {
$index_type = 'FULLTEXT';
} else if ($index == 'PRIMARY') {
$index_type = 'PRIMARY';
} else if ($edited_index_info['Non_unique'] == '0') {
$index_type = 'UNIQUE';
} else {
$index_type = 'INDEX';
}
} // end if... else...
if (isset($add_fields)) {
if (isset($prev_add_fields)) {
$added_fields += $prev_add_fields;
}
$field_cnt = count($edited_index_info['Sequences']) + 1;
for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
$edited_index_info['Sequences'][] = $i;
$edited_index_data[$i] = array('Column_name' => '', 'Sub_part' => '');
} // end for
// Restore entered values
foreach($column AS $i => $name) {
if ($name != '--ignore--'){
$edited_index_data[$i+1]['Column_name'] = $name;
$edited_index_data[$i+1]['Sub_part'] = $sub_part[$i];
}
} // end while
} // end if
// end preparing form values
?>
<!-- Build index form -->
<form action="tbl_indexes.php" method="post" name="index_frm"
onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
<?php
if (isset($create_index)) {
echo '<input type="hidden" name="create_index" value="1" />';
}
echo "\n";
?>
<input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
<b><?php echo '------ ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' ------'; ?></b>
<br /><br />
<table border="0">
<tr>
<td><?php echo $strIndexName; ?> </td>
<td>
<input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" class="textfield" onfocus="this.select()" />
<?php echo $strPrimaryKeyWarning . "\n"; ?>
</td>
</tr>
<tr>
<td><?php echo $strIndexType; ?> </td>
<td>
<select name="index_type" onchange="return checkIndexName()">
<?php
echo "\n";
for ($i = 0; $i < $index_types_cnt; $i++) {
if ($index_types[$i] == 'PRIMARY') {
if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
echo ' '
. '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
. "\n";
}
} else {
echo ' '
. '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
. "\n";
} // end if... else...
} // end for
?>
</select>
<?php echo PMA_showMySQLDocu('Reference', 'ALTER_TABLE') . "\n"; ?>
</td>
</tr>
</table><br />
<table border="<?php echo $cfg['Border']; ?>" cellpadding="5">
<tr>
<th><?php echo $strField; ?></th>
<th><?php echo $strSize; ?></th>
</tr>
<?php
foreach($edited_index_info['Sequences'] AS $row_no => $seq_index) {
$add_type = (is_array($fields_types) && count($fields_types) == count($fields_names));
$selected = $edited_index_data[$seq_index]['Column_name'];
if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
$sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
} else {
$sub_part = '';
}
$bgcolor = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
echo "\n";
?>
<tr>
<td bgcolor="<?php echo $bgcolor; ?>">
<select name="column[]">
<option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
-- <?php echo $strIgnore; ?> --</option>
<?php
foreach($fields_names AS $key => $val) {
if ($index_type != 'FULLTEXT'
|| preg_match('@^(varchar|text|tinytext|mediumtext|longtext)@i', $fields_types[$key])) {
echo "\n" . ' '
. '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
. htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
}
} // end while
echo "\n";
?>
</select>
</td>
<td bgcolor="<?php echo $bgcolor; ?>">
<input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
</td>
</tr>
<?php
} // end while
echo "\n";
?>
</table><br />
<input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /><br />
<?php
echo "\n";
if (isset($added_fields)) {
echo ' <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
}
if (isset($idx_num_fields)) {
echo ' <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
}
echo ' <hr /><br />' . "\n";
echo ' ' . sprintf($strAddToIndex, '<input type="text" name="added_fields" size="4" value="1" class="textfield" onfocus="this.select()" />') . "\n";
echo ' <input type="submit" name="add_fields" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'added_fields\', 1)" />' . "\n";
} else {
/**
* Display indexes
*/
?>
<!-- Indexes form -->
<form action="tbl_indexes.php" method="post">
<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
<?php
echo "\n";
echo ' ' . $strIndexes . ' :' . "\n";
echo ' ' . PMA_showMySQLDocu('MySQL_Optimisation', 'Optimising_Database_Structure') . '<br />' ."\n";
if ($idx_cnt > 0) {
?>
<table border="<?php echo $cfg['Border']; ?>">
<tr>
<th><?php echo $strKeyname; ?></th>
<th><?php echo $strType; ?></th>
<th><?php echo $strCardinality; ?></th>
<th colspan="2"><?php echo $strAction; ?></th>
<th colspan="2"><?php echo $strField; ?></th>
</tr>
<?php
echo "\n";
foreach($indexes AS $index_no => $index_name) {
$cell_bgd = (($index_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
$index_td = ' <td bgcolor="' . $cell_bgd . '" rowspan="' . count($indexes_info[$index_name]['Sequences']) . '">' . "\n";
echo ' <tr>' . "\n";
echo $index_td
. ' ' . htmlspecialchars($index_name) . "\n"
. ' </td>' . "\n";
if ((PMA_MYSQL_INT_VERSION < 40002 && $indexes_info[$index_name]['Comment'] == 'FULLTEXT')
|| (PMA_MYSQL_INT_VERSION >= 40002 && $indexes_info[$index_name]['Index_type'] == 'FULLTEXT')) {
$index_type = 'FULLTEXT';
} else if ($index_name == 'PRIMARY') {
$index_type = 'PRIMARY';
} else if ($indexes_info[$index_name]['Non_unique'] == '0') {
$index_type = 'UNIQUE';
} else {
$index_type = 'INDEX';
}
echo $index_td
. ' ' . $index_type . "\n"
. ' </td>' . "\n";
echo str_replace('">' . "\n", '" align="right">' . "\n", $index_td)
. ' ' . (isset($indexes_info[$index_name]['Cardinality']) ? $indexes_info[$index_name]['Cardinality'] : $strNone) . ' ' . "\n"
. ' </td>' . "\n";
echo $index_td
. ' <a href="tbl_indexes.php?' . $url_query . '&index=' . urlencode($index_name) . '">' . ($cfg['PropertiesIconic'] ? '<img src="./images/button_edit.png" width="12" height="13" hspace="7" border="0" title="' . $strEdit . '" alt="' . $strEdit . '">' : $strEdit) . '</a>' . "\n"
. ' </td>' . "\n";
if ($index_name == 'PRIMARY') {
$local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP PRIMARY KEY');
$js_msg = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP PRIMARY KEY';
$zero_rows = urlencode($strPrimaryKeyHasBeenDropped);
} else {
$local_query = urlencode('ALTER TABLE ' . PMA_backquote($table) . ' DROP INDEX ' . PMA_backquote($index_name));
$js_msg = 'ALTER TABLE ' . PMA_jsFormat($table) . ' DROP INDEX ' . PMA_jsFormat($index_name);
$zero_rows = urlencode(sprintf($strIndexHasBeenDropped, htmlspecialchars($index_name)));
}
echo $index_td
. ' <a href="sql.php?' . $url_query . '&sql_query=' . $local_query . '&zero_rows=' . $zero_rows . '" onclick="return confirmLink(this, \'' . $js_msg . '\')">' . ($cfg['PropertiesIconic'] ? '<img src="./images/button_drop.png" width="11" height="12" hspace="7" border="0" title="' . $strDrop . '" alt="' . $strDrop . '">' : $strDrop) . '</a>' . "\n"
. ' </td>' . "\n";
foreach($indexes_info[$index_name]['Sequences'] AS $row_no => $seq_index) {
if ($row_no > 0) {
echo ' <tr>' . "\n";
}
if (!empty($indexes_data[$index_name][$seq_index]['Sub_part'])) {
echo ' <td bgcolor="' . $cell_bgd . '">' . "\n"
. ' ' . $indexes_data[$index_name][$seq_index]['Column_name'] . "\n"
. ' </td>' . "\n";
echo ' <td align="right" bgcolor="' . $cell_bgd . '">' . "\n"
. ' ' . $indexes_data[$index_name][$seq_index]['Sub_part'] . "\n"
. ' </td>' . "\n";
echo ' </tr>' . "\n";
} else {
echo ' <td bgcolor="' . $cell_bgd . '" colspan="2">' . "\n"
. ' ' . htmlspecialchars($indexes_data[$index_name][$seq_index]['Column_name']) . "\n"
. ' </td>' . "\n";
echo ' </tr>' . "\n";
}
} // end while
} // end while
?>
</table><br />
<?php
echo "\n\n";
} // end display indexes
else {
// none indexes
echo "\n" . ' <br />' . "\n";
echo ' <i>' . $strNoIndex . '</i><br /><br />' . "\n\n";
}
echo ' ' . sprintf($strCreateIndex, '<input type="text" size="4" name="idx_num_fields" value="1" class="textfield" />') . "\n";
echo ' <input type="submit" name="create_index" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'idx_num_fields\', 1)" />' . "\n";
echo ' ';
} // end display indexes
?>
</form>
<?php
/**
* Displays the footer
*/
echo "\n";
if (!defined('PMA_IDX_INCLUDED')){
require_once('./footer.inc.php');
}
?>
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