Viewing file:  tbl_indexes.php (16.25 KB) -rw-r--r--
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<?php
/* $Id: tbl_indexes.php,v 2.32 2006/01/17 17:02:29 cybot_tm Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Gets some core libraries
*/
require_once('./libraries/common.lib.php');
require_once('./libraries/tbl_indexes.lib.php');
/**
* Defines the index types ("FULLTEXT" is available since MySQL 3.23.23)
*/
$index_types = PMA_get_indextypes();
$index_types_cnt = count($index_types);
/**
* 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 ( isset($db) && strlen($db) ) {
$is_db = PMA_DBI_select_db($db);
}
if ( !isset($db) || !strlen($db) || !$is_db ) {
$uri_params = array( 'reload' => '1' );
if ( isset($message) ) {
$uri_params['message'] = $message;
}
PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . 'main.php'
. PMA_generate_common_url($uri_params, '&'));
exit;
}
// Not a valid table name -> back to the default db_details sub-page
if ( isset($table) && strlen($table) ) {
$is_table = PMA_DBI_query('SHOW TABLES LIKE \''
. PMA_sqlAddslashes($table, TRUE) . '\'', null, PMA_DBI_QUERY_STORE);
}
if ( ! isset($table) || ! strlen($table)
|| !( $is_table && PMA_DBI_num_rows($is_table) ) ) {
$uri_params = array( 'reload' => '1', 'db' => $db );
if ( isset($message) ) {
$uri_params['message'] = $message;
}
PMA_sendHeaderLocation($cfg['PmaAbsoluteUri']
. $cfg['DefaultTabDatabase']
. PMA_generate_common_url($uri_params, '&'));
exit;
} elseif ( isset($is_table) ) {
PMA_DBI_free_result($is_table);
}
// Displays headers (if needed)
$js_to_run = isset($index) && isset($do_save_data)
? 'functions.js'
: 'indexes.js';
require_once('./libraries/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();
$indexes_info = array();
$indexes_data = array();
// keys had already been grabbed in "tbl_properties.php"
if (!defined('PMA_IDX_INCLUDED')) {
$ret_keys = PMA_get_indexes($table, $err_url_0);
}
PMA_extract_indexes($ret_keys, $indexes, $indexes_info, $indexes_data);
// Get fields and stores their name/type
// fields had already been grabbed in "tbl_properties.php"
if (!defined('PMA_IDX_INCLUDED')) {
$fields_rs = PMA_DBI_query('SHOW FIELDS FROM '
. PMA_backquote($table) . ';');
$save_row = array();
while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
$save_row[] = $row;
}
}
$fields_names = array();
$fields_types = array();
foreach ($save_row AS $saved_row_key => $row) {
$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) {
PMA_DBI_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 == '') {
$index = 'PRIMARY';
} elseif ($index != 'PRIMARY') {
PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
}
} elseif ($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 . ')';
}
$result = PMA_DBI_query($sql_query);
$message = $strTable . ' ' . htmlspecialchars($table) . ' '
. $strHasBeenAltered;
$active_page = 'tbl_properties_structure.php';
require('./tbl_properties_structure.php');
} // end builds the new index
/**
* Edits an index or defines a new one
*/
elseif (!defined('PMA_IDX_INCLUDED')
&& (isset($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')) {
$index_type = 'FULLTEXT';
} elseif ($index == 'PRIMARY') {
$index_type = 'PRIMARY';
} elseif ($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
?>
<div style="float: left;">
<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" />' . "\n";
}
if (isset($added_fields)) {
echo ' <input type="hidden" name="prev_add_fields" value="'
. $added_fields . '" />' . "\n";
}
if (isset($idx_num_fields)) {
echo ' <input type="hidden" name="idx_num_fields" value="'
. $idx_num_fields . '" />' . "\n";
}
?>
<input type="hidden" name="old_index" value="<?php
echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
<fieldset>
<legend>
<?php
echo (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic);
?>
</legend>
<div class="formelement">
<label for="input_index_name"><?php echo $strIndexName; ?></label>
<input type="text" name="index" id="input_index_name" size="25"
value="<?php echo htmlspecialchars($index); ?>" onfocus="this.select()" />
</div>
<div class="formelement">
<label for="select_index_type"><?php echo $strIndexType; ?></label>
<select name="index_type" id="select_index_type" onchange="return checkIndexName()">
<?php
for ($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('SQL-Syntax', 'ALTER_TABLE'); ?>
</div>
<br class="clearfloat" />
<div class="warning"><?php echo $strPrimaryKeyWarning; ?></div>
<table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1">
<thead>
<tr><th><?php echo $strField; ?></th>
<th><?php echo $strSize; ?></th>
</tr>
</thead>
<tbody>
<?php
$odd_row = true;
foreach ($edited_index_info['Sequences'] as $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 = '';
}
?>
<tr class="<?php echo $odd_row ? 'odd' : 'even'; ?>">
<td><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 foreach $fields_names
?>
</select>
</td>
<td><input type="text" size="5" onfocus="this.select()"
name="sub_part[]"<?php echo $sub_part; ?> />
</td>
</tr>
<?php
$odd_row = !$odd_row;
} // end foreach $edited_index_info['Sequences']
?>
</tbody>
</table>
</fieldset>
<fieldset class="tblFooters">
<input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" />
<?php
echo $strOr;
echo ' ' . sprintf($strAddToIndex,
'<input type="text" name="added_fields" size="2" value="1"'
.' onfocus="this.select()" />') . "\n";
echo ' <input type="submit" name="add_fields" value="' . $strGo . '"'
.' onclick="return checkFormElementInRange(this.form,'
.' \'added_fields\', \''
. str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount'])
. '\', 1)" />' . "\n";
?>
</fieldset>
</form>
</div>
<?php
} else {
/**
* Display indexes
*/
?>
<form action="./tbl_indexes.php" method="post"
onsubmit="return checkFormElementInRange(this, 'idx_num_fields',
'<?php echo str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']); ?>',
1)">
<?php
echo PMA_generate_common_hidden_inputs( $db, $table );
?>
<table id="table_indexes" class="data">
<caption class="tblHeaders">
<?php
echo $strIndexes . ':' . "\n";
echo ' ' . PMA_showMySQLDocu('optimization',
'optimizing-database-structure');
?>
</caption>
<?php
if ( count($ret_keys) > 0) {
$edit_link_text = '';
$drop_link_text = '';
// We need to copy the value or else the == 'both' check will always
// return true
$propicon = (string) $cfg['PropertiesIconic'];
if ($cfg['PropertiesIconic'] === true || $propicon == 'both') {
$edit_link_text = '<img class="icon" src="' . $pmaThemeImage
. 'b_edit.png" width="16" height="16" title="' . $strEdit
. '" alt="' . $strEdit . '" />';
$drop_link_text = '<img class="icon" src="' . $pmaThemeImage
. 'b_drop.png" width="16" height="16" title="' . $strDrop
. '" alt="' . $strDrop . '" />';
}
if ($cfg['PropertiesIconic'] === false || $propicon == 'both') {
$edit_link_text .= $strEdit;
$drop_link_text .= $strDrop;
}
if ($propicon == 'both') {
$edit_link_text = '<nobr>' . $edit_link_text . '</nobr>';
$drop_link_text = '<nobr>' . $drop_link_text . '</nobr>';
}
?>
<thead>
<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>
</thead>
<tbody>
<?php
$idx_collection = PMA_show_indexes($table, $indexes, $indexes_info,
$indexes_data, true);
echo PMA_check_indexes($idx_collection);
} // end display indexes
else {
// none indexes
echo '<tbody>'
.'<tr><td colspan="7"><div class="warning">' . $strNoIndex
.'</div></td></tr>' . "\n";
}
?>
<tr class="tblFooters"><td colspan="7">
<?php echo sprintf($strCreateIndex,
'<input type="text" size="2" name="idx_num_fields" value="1" />'); ?>
<input type="submit" name="create_index" value="<?php echo $strGo; ?>"
onclick="return checkFormElementInRange(this.form,
'idx_num_fields',
'<?php echo str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']); ?>',
1)" />
</td></tr>
</tbody>
</table>
</form>
<?php
} // end display indexes
/**
* Displays the footer
*/
echo "\n";
if (!defined('PMA_IDX_INCLUDED')){
require_once('./libraries/footer.inc.php');
}
?>
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