Documentation TYPO3 par Ameos

tbl_indexes.php

00001 <?php
00002 /* $Id: tbl_indexes.php,v 2.24 2005/07/10 20:35:26 nijel Exp $ */
00003 // vim: expandtab sw=4 ts=4 sts=4:
00004 
00008 require_once('./libraries/grab_globals.lib.php');
00009 require_once('./libraries/common.lib.php');
00010 require_once('./libraries/tbl_indexes.lib.php');
00011 
00015 $index_types       = PMA_get_indextypes();
00016 $index_types_cnt   = count($index_types);
00017 
00023 if (!defined('PMA_IDX_INCLUDED')) {
00024     // Not a valid db name -> back to the welcome page
00025     if (!empty($db)) {
00026         $is_db = PMA_DBI_select_db($db);
00027     }
00028     if (empty($db) || !$is_db) {
00029         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . 'main.php?' . PMA_generate_common_url('', '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
00030         exit;
00031     }
00032     // Not a valid table name -> back to the default db_details sub-page
00033     if (!empty($table)) {
00034         $is_table = PMA_DBI_query('SHOW TABLES LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\'', NULL, PMA_DBI_QUERY_STORE);
00035     }
00036     if (empty($table)
00037         || !($is_table && PMA_DBI_num_rows($is_table))) {
00038         PMA_sendHeaderLocation($cfg['PmaAbsoluteUri'] . $cfg['DefaultTabDatabase'] . '?' . PMA_generate_common_url($db, '', '&') . (isset($message) ? '&message=' . urlencode($message) : '') . '&reload=1');
00039         exit;
00040     } else if (isset($is_table)) {
00041         PMA_DBI_free_result($is_table);
00042     }
00043 
00044     // Displays headers (if needed)
00045     $js_to_run = ((isset($index) && isset($do_save_data)) ? 'functions.js' : 'indexes.js');
00046     require_once('./header.inc.php');
00047 } // end if
00048 
00049 
00053 if (!defined('PMA_IDX_INCLUDED')) {
00054     $err_url_0 = 'db_details.php?' . PMA_generate_common_url($db);
00055 }
00056 
00057 //  Gets table keys and store them in arrays
00058 $indexes      = array();
00059 $indexes_info = array();
00060 $indexes_data = array();
00061 // keys had already been grabbed in "tbl_properties.php"
00062 if (!defined('PMA_IDX_INCLUDED')) {
00063     $ret_keys = PMA_get_indexes($table, $err_url_0);
00064 }
00065 
00066 PMA_extract_indexes($ret_keys, $indexes, $indexes_info, $indexes_data);
00067 
00068 // Get fields and stores their name/type
00069 // fields had already been grabbed in "tbl_properties.php"
00070 if (!defined('PMA_IDX_INCLUDED')) {
00071     $fields_rs   = PMA_DBI_query('SHOW FIELDS FROM ' . PMA_backquote($table) . ';');
00072     $save_row   = array();
00073     while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
00074         $save_row[] = $row;
00075     }
00076 }
00077 
00078 $fields_names           = array();
00079 $fields_types           = array();
00080 foreach ($save_row AS $saved_row_key => $row) {
00081     $fields_names[]     = $row['Field'];
00082     // loic1: set or enum types: slashes single quotes inside options
00083     if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
00084         $tmp[2]         = substr(preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1);
00085         $fields_types[] = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
00086     } else {
00087         $fields_types[] = $row['Type'];
00088     }
00089 } // end while
00090 
00091 if ($fields_rs) {
00092     PMA_DBI_free_result($fields_rs);
00093 }
00094 
00095 
00100 if (!defined('PMA_IDX_INCLUDED')
00101     && (isset($index) && isset($do_save_data))) {
00102 
00103     $err_url     = 'tbl_indexes.php?' . PMA_generate_common_url($db, $table);
00104     if (empty($old_index)) {
00105         $err_url .= '&amp;create_index=1&amp;idx_num_fields=' . $idx_num_fields;
00106     } else {
00107         $err_url .= '&amp;index=' . urlencode($old_index);
00108     }
00109 
00110     if ($index_type == 'PRIMARY') {
00111         if ($index == '') {
00112             $index = 'PRIMARY';
00113         } else if ($index != 'PRIMARY') {
00114             PMA_mysqlDie($strPrimaryKeyName, '', FALSE, $err_url);
00115         }
00116     } else if ($index == 'PRIMARY') {
00117          PMA_mysqlDie($strCantRenameIdxToPrimary, '', FALSE, $err_url);
00118     }
00119 
00120 
00121     // $sql_query is the one displayed in the query box
00122     $sql_query         = 'ALTER TABLE ' . PMA_backquote($table);
00123 
00124     // Drops the old index
00125     if (!empty($old_index)) {
00126         if ($old_index == 'PRIMARY') {
00127             $sql_query .= ' DROP PRIMARY KEY,';
00128         } else {
00129             $sql_query .= ' DROP INDEX ' . PMA_backquote($old_index) .',';
00130         }
00131     } // end if
00132 
00133     // Builds the new one
00134     switch ($index_type) {
00135         case 'PRIMARY':
00136             $sql_query .= ' ADD PRIMARY KEY (';
00137             break;
00138         case 'FULLTEXT':
00139             $sql_query .= ' ADD FULLTEXT ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
00140             break;
00141         case 'UNIQUE':
00142             $sql_query .= ' ADD UNIQUE ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
00143             break;
00144         case 'INDEX':
00145             $sql_query .= ' ADD INDEX ' . (empty($index) ? '' : PMA_backquote($index)) . ' (';
00146             break;
00147     } // end switch
00148     $index_fields         = '';
00149     foreach ($column AS $i => $name) {
00150         if ($name != '--ignore--') {
00151             $index_fields .= (empty($index_fields) ? '' : ',')
00152                           . PMA_backquote($name)
00153                           . (empty($sub_part[$i]) ? '' : '(' . $sub_part[$i] . ')');
00154         }
00155     } // end while
00156     if (empty($index_fields)){
00157         PMA_mysqlDie($strNoIndexPartsDefined, '', FALSE, $err_url);
00158     } else {
00159         $sql_query .= $index_fields . ')';
00160     }
00161 
00162     $result    = PMA_DBI_query($sql_query);
00163     $message   = $strTable . ' ' . htmlspecialchars($table) . ' ' . $strHasBeenAltered;
00164 
00165     $active_page = 'tbl_properties_structure.php';
00166     require('./tbl_properties_structure.php');
00167 } // end builds the new index
00168 
00169 
00173 else if (!defined('PMA_IDX_INCLUDED')
00174          && (isset($index) || isset($create_index))) {
00175 
00176     // Prepares the form values
00177     if (!isset($index)) {
00178         $index                                = '';
00179     }
00180     if (!isset($old_index)){
00181         $old_index                            = $index;
00182     }
00183     if (!isset($index_type)) {
00184         $index_type                           = '';
00185     }
00186     if ($old_index == '' || !isset($indexes_info[$old_index])) {
00187         $edited_index_info['Sequences']       = array();
00188         $edited_index_data                    = array();
00189         for ($i = 1; $i <= $idx_num_fields; $i++) {
00190             $edited_index_info['Sequences'][] = $i;
00191             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
00192         } // end for
00193         if ($old_index == ''
00194             && !isset($indexes_info['PRIMARY'])
00195             && ($index_type == '' || $index_type == 'PRIMARY')) {
00196             $old_index                        = 'PRIMARY';
00197         }
00198     } else {
00199         $edited_index_info                    = $indexes_info[$old_index];
00200         $edited_index_data                    = $indexes_data[$old_index];
00201 
00202 
00203         if ((PMA_MYSQL_INT_VERSION < 40002 && $edited_index_info['Comment'] == 'FULLTEXT')
00204                 || (PMA_MYSQL_INT_VERSION >= 40002 && $edited_index_info['Index_type'] == 'FULLTEXT')) {
00205             $index_type                       = 'FULLTEXT';
00206         } else if ($index == 'PRIMARY') {
00207             $index_type                       = 'PRIMARY';
00208         } else if ($edited_index_info['Non_unique'] == '0') {
00209             $index_type                       = 'UNIQUE';
00210         } else {
00211             $index_type                       = 'INDEX';
00212         }
00213     } // end if... else...
00214 
00215     if (isset($add_fields)) {
00216         if (isset($prev_add_fields)) {
00217             $added_fields += $prev_add_fields;
00218         }
00219         $field_cnt = count($edited_index_info['Sequences']) + 1;
00220         for ($i = $field_cnt; $i < ($added_fields + $field_cnt); $i++) {
00221             $edited_index_info['Sequences'][] = $i;
00222             $edited_index_data[$i]            = array('Column_name' => '', 'Sub_part' => '');
00223         } // end for
00224 
00225         // Restore entered values
00226         foreach ($column AS $i => $name) {
00227             if ($name != '--ignore--'){
00228                 $edited_index_data[$i+1]['Column_name'] = $name;
00229                 $edited_index_data[$i+1]['Sub_part']    = $sub_part[$i];
00230             }
00231         } // end while
00232     } // end if
00233     // end preparing form values
00234     ?>
00235 
00236 <!-- Build index form -->
00237 <form action="./tbl_indexes.php" method="post" name="index_frm"
00238     onsubmit="if (typeof(this.elements['index'].disabled) != 'undefined') {this.elements['index'].disabled = false}">
00239 <table border="0" cellpadding="2" cellspacing="1">
00240     <tr><td class="tblHeaders" colspan="2">
00241     <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
00242     <?php
00243     if (isset($create_index)) {
00244         echo '<input type="hidden" name="create_index" value="1" />';
00245     }
00246     echo "\n";
00247     ?>
00248     <input type="hidden" name="old_index" value="<?php echo (isset($create_index) ? '' : htmlspecialchars($old_index)); ?>" />
00249     <?php echo ' ' . (isset($create_index) ? $strCreateIndexTopic : $strModifyIndexTopic) . ' '; ?>
00250     </th></tr>
00251 
00252 
00253     <tr>
00254         <td align="right"><b><?php echo $strIndexName; ?></b>&nbsp;</th>
00255         <td>
00256             <input type="text" name="index" value="<?php echo htmlspecialchars($index); ?>" size="25" onfocus="this.select()" />
00257         </td>
00258     </tr>
00259     <tr><td align="right"><?php
00260     if ($cfg['ErrorIconic']) {
00261         echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Attention" />';
00262     }
00263 ?></td><td><?php echo $strPrimaryKeyWarning . "\n"; ?></td></tr>
00264     <tr>
00265         <td align="right"><b><?php echo $strIndexType; ?></b>&nbsp;</td>
00266         <td>
00267             <select name="index_type" onchange="return checkIndexName()">
00268     <?php
00269     echo "\n";
00270     for ($i = 0; $i < $index_types_cnt; $i++) {
00271         if ($index_types[$i] == 'PRIMARY') {
00272             if ($index == 'PRIMARY' || !isset($indexes_info['PRIMARY'])) {
00273                 echo '                '
00274                      . '<option value="PRIMARY"' . (($index_type == 'PRIMARY') ? ' selected="selected"' : '') . '>PRIMARY</option>'
00275                      . "\n";
00276             }
00277         } else {
00278             echo '                '
00279                  . '<option value="' . $index_types[$i] . '"' . (($index_type == $index_types[$i]) ? ' selected="selected"' : '') . '>'. $index_types[$i] . '</option>'
00280                  . "\n";
00281 
00282         } // end if... else...
00283     } // end for
00284     ?>
00285             </select>
00286             <?php echo PMA_showMySQLDocu('Reference', 'ALTER_TABLE') . "\n"; ?>
00287         </td>
00288     </tr>
00289 
00290     <tr><td valign="top" align="right"><b><?php echo $strFields; ?> :</b>&nbsp;</td><td><table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1">
00291     <tr>
00292         <th><?php echo $strField; ?></th>
00293         <th><?php echo $strSize; ?></th>
00294     </tr>
00295     <?php
00296     foreach ($edited_index_info['Sequences'] AS $row_no => $seq_index) {
00297         $add_type     = (is_array($fields_types) && count($fields_types) == count($fields_names));
00298         $selected     = $edited_index_data[$seq_index]['Column_name'];
00299         if (!empty($edited_index_data[$seq_index]['Sub_part'])) {
00300             $sub_part = ' value="' . $edited_index_data[$seq_index]['Sub_part'] . '"';
00301         } else {
00302             $sub_part = '';
00303         }
00304         $bgcolor      = (($row_no % 2) ? $cfg['BgcolorOne'] : $cfg['BgcolorTwo']);
00305         echo "\n";
00306         ?>
00307     <tr>
00308         <td bgcolor="<?php echo $bgcolor; ?>">
00309             <select name="column[]">
00310                 <option value="--ignore--"<?php if ('--ignore--' == $selected) echo ' selected="selected"'; ?>>
00311                     -- <?php echo $strIgnore; ?> --</option>
00312         <?php
00313         foreach ($fields_names AS $key => $val) {
00314             if ($index_type != 'FULLTEXT'
00315                 || preg_match('@^(varchar|text|tinytext|mediumtext|longtext)@i', $fields_types[$key])) {
00316                 echo "\n" . '                '
00317                      . '<option value="' . htmlspecialchars($val) . '"' . (($val == $selected) ? ' selected="selected"' : '') . '>'
00318                      . htmlspecialchars($val) . (($add_type) ? ' [' . $fields_types[$key] . ']' : '' ) . '</option>' . "\n";
00319             }
00320         } // end while
00321         echo "\n";
00322         ?>
00323             </select>
00324         </td>
00325         <td bgcolor="<?php echo $bgcolor; ?>">
00326             <input type="text" size="5" name="sub_part[]"<?php echo $sub_part; ?> onfocus="this.select()" />
00327         </td>
00328     </tr>
00329         <?php
00330     } // end while
00331 
00332     echo "\n";
00333     ?>
00334     <tr><td colspan="2"><?php
00335     echo "\n";
00336     if (isset($added_fields)) {
00337         echo '    <input type="hidden" name="prev_add_fields" value="' . $added_fields . '" />';
00338     }
00339     if (isset($idx_num_fields)) {
00340         echo '    <input type="hidden" name="idx_num_fields" value="' . $idx_num_fields . '" />' . "\n";
00341     }
00342     echo '    ' . "\n";
00343     echo '    ' . sprintf($strAddToIndex,  '<input type="text" name="added_fields" size="2" value="1" onfocus="this.select()" style="vertical-align: middle;" />') . "\n";
00344     echo '    &nbsp;<input type="submit" name="add_fields" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'added_fields\', \'' . str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']) . '\', 1)" style="vertical-align: middle;" />' . "\n";
00345 ?></td>
00346 </tr>
00347     </table></td></tr>
00348 <tr><td colspan="2" class="tblFooters" align="center">
00349     <input type="submit" name="do_save_data" value="<?php echo $strSave; ?>" /></td></tr>
00350 </table>
00351 </form>
00352 <?php
00353 } else {
00357     ?>
00358     <!-- Indexes form -->
00359     <form action="./tbl_indexes.php" method="post" onsubmit="return checkFormElementInRange(this, 'idx_num_fields', '<?php echo str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']); ?>', 1)">
00360     <table border="0" cellpadding="2" cellspacing="1">
00361     <tr><td class="tblHeaders" colspan="7">
00362         <?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
00363     <?php
00364     echo "\n";
00365     echo '        ' . $strIndexes . ':' . "\n";
00366     echo '        ' . PMA_showMySQLDocu('MySQL_Optimisation', 'Optimising_Database_Structure') . "\n";
00367 ?></td></tr><?php
00368     $edit_link_text = '';
00369     $drop_link_text = '';
00370 
00371     // We need to copy the value or else the == 'both' check will always return true
00372     $propicon = (string)$cfg['PropertiesIconic'];
00373 
00374     if ($cfg['PropertiesIconic'] === true || $propicon == 'both') {
00375         $edit_link_text = '<img src="' . $pmaThemeImage . 'b_edit.png" width="16" height="16" hspace="2" border="0" title="' . $strEdit . '" alt="' . $strEdit . '" />';
00376         $drop_link_text = '<img src="' . $pmaThemeImage . 'b_drop.png" width="16" height="16" hspace="2" border="0" title="' . $strDrop . '" alt="' . $strDrop . '" />';
00377     }
00378     if ($cfg['PropertiesIconic'] === false || $propicon == 'both') {
00379         $edit_link_text .= $strEdit;
00380         $drop_link_text .= $strDrop;
00381     }
00382     if ($propicon == 'both') {
00383         $edit_link_text = '<nobr>' . $edit_link_text . '</nobr>';
00384         $drop_link_text = '<nobr>' . $drop_link_text . '</nobr>';
00385     }
00386 
00387     if (count($ret_keys) > 0) {
00388         ?>
00389         <!--table border="<?php echo $cfg['Border']; ?>" cellpadding="2" cellspacing="1"-->
00390         <tr>
00391             <th><?php echo $strKeyname; ?></th>
00392             <th><?php echo $strType; ?></th>
00393             <th><?php echo $strCardinality; ?></th>
00394             <th colspan="2"><?php echo $strAction; ?></th>
00395             <th colspan="2"><?php echo $strField; ?></th>
00396         </tr>
00397         <?php
00398         $idx_collection = PMA_show_indexes($table, $indexes, $indexes_info, $indexes_data, true);
00399         echo PMA_check_indexes($idx_collection);
00400     } // end display indexes
00401     else {
00402         // none indexes
00403         echo "\n" . '        <tr><td colspan=7" align="center">' . "\n";
00404         if ($cfg['ErrorIconic']) {
00405             echo '<img src="' . $pmaThemeImage . 's_warn.png" width="16" height="16" border="0" alt="Warning" hspace="2" align="middle" />';
00406         }
00407         echo '        <b>' . $strNoIndex . '</b></td></tr>' . "\n\n";
00408     }
00409 
00410     echo '<tr><td colspan="7" class="tblFooters" nowrap="nowrap" align="center">        '
00411        . sprintf($strCreateIndex, '<input type="text" size="2" name="idx_num_fields" value="1" style="vertical-align: middle;" />') . "\n";
00412     echo '        &nbsp;<input type="submit" name="create_index" value="' . $strGo . '" onclick="return checkFormElementInRange(this.form, \'idx_num_fields\', \'' . str_replace('\'', '\\\'', $GLOBALS['strInvalidColumnCount']) . '\', 1)" style="vertical-align: middle;" />' . "\n";
00413     echo '</td></tr>    ';
00414 ?>
00415 </table></form>
00416 <?php
00417 } // end display indexes
00418 
00419 
00423 echo "\n";
00424 
00425 if (!defined('PMA_IDX_INCLUDED')){
00426     require_once('./footer.inc.php');
00427 }
00428 ?>


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