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<?php /* $Id: tbl_relation.php,v 2.20 2004/11/14 13:17:59 lem9 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'); require_once('./tbl_properties_common.php'); $url_query .= '&goto=tbl_properties.php'; /** * Gets tables informations */ require('./tbl_properties_table_info.php'); // Note: in tbl_properties_links.php we get and display the table comment. // For InnoDB, this comment contains the REFER information but any update // has not been done yet (will be done in tbl_relation.php later). $avoid_show_comment = TRUE; /** * Displays top menu links */ require('./tbl_properties_links.php'); require_once('./libraries/relation.lib.php'); $options_array = array('CASCADE' => 'CASCADE', 'SET_NULL' => 'SET NULL', 'NO_ACTION' => 'NO ACTION', 'RESTRICT' => 'RESTRICT'); /** * Generate dropdown choices * * @param string Message to display * @param string Name of the <select> field * @param array Choices for dropdown * @return string The existing value (for selected) * * @access public */ function PMA_generate_dropdown($dropdown_question,$radio_name,$choices,$selected_value) { global $font_smallest; echo $dropdown_question . ' '; //echo '<select name="' . $radio_name . '" style="font-size: ' . $font_smallest . '">' . "\n"; //echo '<option value="nix" style="font-size: ' . $font_smallest . '" >--</option>' . "\n"; echo '<select name="' . $radio_name . '">' . "\n"; echo '<option value="nix">--</option>' . "\n"; foreach ($choices AS $one_value => $one_label) { echo '<option value="' . $one_value . '"'; if ($selected_value == $one_value) { echo ' selected="selected" '; } //echo ' style="font-size: ' . $font_smallest . '">' echo '>' . $one_label . '</option>' . "\n"; } echo '</select>' . "\n"; echo "\n"; } /** * Gets the relation settings */ $cfgRelation = PMA_getRelationsParam(); /** * Updates */ // ensure we are positionned to our current db (since the previous reading // of relations makes pmadb the current one, maybe depending on the MySQL version) PMA_DBI_select_db($db); if ($cfgRelation['relwork']) { $existrel = PMA_getForeigners($db, $table, '', 'internal'); } if ($tbl_type=='INNODB') { $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb'); } if ($cfgRelation['displaywork']) { $disp = PMA_getDisplayField($db, $table); } // updates for internal relations or innodb? if (isset($submit_rel) && $submit_rel == 'true') { // u p d a t e s f o r I n t e r n a l r e l a t i o n s if ($cfgRelation['relwork']) { foreach ($destination AS $master_field => $foreign_string) { if ($foreign_string != 'nix') { list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string); if (!isset($existrel[$master_field])) { $upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['relation']) . '(master_db, master_table, master_field, foreign_db, foreign_table, foreign_field)' . ' values(' . '\'' . PMA_sqlAddslashes($db) . '\', ' . '\'' . PMA_sqlAddslashes($table) . '\', ' . '\'' . PMA_sqlAddslashes($master_field) . '\', ' . '\'' . PMA_sqlAddslashes($foreign_db) . '\', ' . '\'' . PMA_sqlAddslashes($foreign_table) . '\',' . '\'' . PMA_sqlAddslashes($foreign_field) . '\')'; } else if ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) { $upd_query = 'UPDATE ' . PMA_backquote($cfgRelation['relation']) . ' SET' . ' foreign_db = \'' . PMA_sqlAddslashes($foreign_db) . '\', ' . ' foreign_table = \'' . PMA_sqlAddslashes($foreign_table) . '\', ' . ' foreign_field = \'' . PMA_sqlAddslashes($foreign_field) . '\' ' . ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\'' . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\''; } // end if... else.... } else if (isset($existrel[$master_field])) { $upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['relation']) . ' WHERE master_db = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND master_table = \'' . PMA_sqlAddslashes($table) . '\'' . ' AND master_field = \'' . PMA_sqlAddslashes($master_field) . '\''; } // end if... else.... if (isset($upd_query)) { $upd_rs = PMA_query_as_cu($upd_query); unset($upd_query); } } // end while } // end if (updates for internal relations) // u p d a t e s f o r I n n o D B // ( for now, one index name only; we keep the definitions if the // foreign db is not the same) if (isset($destination_innodb)) { foreach ($destination_innodb AS $master_field => $foreign_string) { if ($foreign_string != 'nix') { list($foreign_db, $foreign_table, $foreign_field) = explode('.', $foreign_string); if (!isset($existrel_innodb[$master_field])) { // no key defined for this field // The next few lines are repeated below, so they // could be put in an include file // Note: I tried to enclose the db and table name with // backquotes but MySQL 4.0.16 did not like the syntax // (for example: `base2`.`table1` ) $upd_query = 'ALTER TABLE ' . PMA_backquote($table) . ' ADD FOREIGN KEY (' . PMA_backquote(PMA_sqlAddslashes($master_field)) . ')' . ' REFERENCES ' . PMA_backquote(PMA_sqlAddslashes($foreign_db) . '.' . PMA_sqlAddslashes($foreign_table)) . '(' . PMA_backquote(PMA_sqlAddslashes($foreign_field)) . ')'; if (${$master_field . '_on_delete'} != 'nix') { $upd_query .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}]; } if (${$master_field . '_on_update'} != 'nix') { $upd_query .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}]; } // end repeated code } else if (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string) || ( ${$master_field . '_on_delete'} != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : '')) || ( ${$master_field . '_on_update'} != (!empty($existrel_innodb[$master_field]['on_update']) ? $existrel_innodb[$master_field]['on_update'] : '')) ) { // another foreign key is already defined for this field // or // an option has been changed for ON DELETE or ON UPDATE // remove existing key if (PMA_MYSQL_INT_VERSION >= 40013) { $upd_query = 'ALTER TABLE ' . PMA_backquote($table) . ' DROP FOREIGN KEY ' . PMA_backquote($existrel_innodb[$master_field]['constraint']); // I tried to send both in one query but it failed $upd_rs = PMA_DBI_query($upd_query); } // add another $upd_query = 'ALTER TABLE ' . PMA_backquote($table) . ' ADD FOREIGN KEY (' . PMA_backquote(PMA_sqlAddslashes($master_field)) . ')' . ' REFERENCES ' . PMA_backquote(PMA_sqlAddslashes($foreign_db) . '.' . PMA_sqlAddslashes($foreign_table)) . '(' . PMA_backquote(PMA_sqlAddslashes($foreign_field)) . ')'; if (${$master_field . '_on_delete'} != 'nix') { $upd_query .= ' ON DELETE ' . $options_array[${$master_field . '_on_delete'}]; } if (${$master_field . '_on_update'} != 'nix') { $upd_query .= ' ON UPDATE ' . $options_array[${$master_field . '_on_update'}]; } } // end if... else.... } else if (isset($existrel_innodb[$master_field])) { if (PMA_MYSQL_INT_VERSION >= 40013) { $upd_query = 'ALTER TABLE ' . PMA_backquote($table) . ' DROP FOREIGN KEY ' . PMA_backquote($existrel_innodb[$master_field]['constraint']); } } // end if... else.... if (isset($upd_query)) { $upd_rs = PMA_DBI_try_query($upd_query); $tmp_error = PMA_DBI_getError(); if (substr($tmp_error, 1, 4) == '1216') { PMA_mysqlDie($tmp_error, $upd_query, FALSE, '', FALSE); echo PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n"; } if (substr($tmp_error, 1, 4) == '1005') { echo '<p class="warning">' . $strNoIndex . ' (' . $master_field .')</p>' . PMA_showMySQLDocu('manual_Table_types', 'InnoDB_foreign_key_constraints') . "\n"; } unset($upd_query); unset($tmp_error); } } // end while } // end if isset($destination_innodb) } // end if (updates for internal relations or InnoDB) // U p d a t e s f o r d i s p l a y f i e l d if ($cfgRelation['displaywork'] && isset($submit_show) && $submit_show == 'true') { if ($disp) { if ($display_field != '') { $upd_query = 'UPDATE ' . PMA_backquote($cfgRelation['table_info']) . ' SET display_field = \'' . PMA_sqlAddslashes($display_field) . '\'' . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''; } else { $upd_query = 'DELETE FROM ' . PMA_backquote($cfgRelation['table_info']) . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''; } } elseif ($display_field != '') { $upd_query = 'INSERT INTO ' . PMA_backquote($cfgRelation['table_info']) . '(db_name, table_name, display_field) ' . ' VALUES(' . '\'' . PMA_sqlAddslashes($db) . '\',' . '\'' . PMA_sqlAddslashes($table) . '\',' . '\'' . PMA_sqlAddslashes($display_field) . '\')'; } if (isset($upd_query)) { $upd_rs = PMA_query_as_cu($upd_query); } } // end if if ($cfgRelation['commwork'] && isset($submit_comm) && $submit_comm == 'true') { foreach ($comment AS $key => $value) { // garvin: I exported the snippet here to a function (relation.lib.php) , so it can be used multiple times throughout other pages where you can set comments. PMA_setComment($db, $table, $key, $value); } // end while (transferred data) } // end if (commwork) // If we did an update, refresh our data if (isset($submit_rel) && $submit_rel == 'true') { if ($cfgRelation['relwork']) { $existrel = PMA_getForeigners($db, $table, '', 'internal'); } if ($tbl_type=='INNODB') { $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb'); } } if ($cfgRelation['displaywork']) { $disp = PMA_getDisplayField($db, $table); } if ($cfgRelation['commwork']) { $comments = PMA_getComments($db, $table); } /** * Dialog */ if ($cfgRelation['relwork'] || $tbl_type=='INNODB') { // To choose relations we first need all tables names in current db // and if PMA version permits and the main table is innodb, // we use SHOW TABLE STATUS because we need to find other InnoDB tables if ($tbl_type=='INNODB') { $tab_query = 'SHOW TABLE STATUS FROM ' . PMA_backquote($db); // [0] of the row is the name // [1] is the type } else { $tab_query = 'SHOW TABLES FROM ' . PMA_backquote($db); } // [0] of the row is the name $tab_rs = PMA_DBI_query($tab_query, NULL, PMA_DBI_QUERY_STORE); $selectboxall['nix'] = '--'; $selectboxall_innodb['nix'] = '--'; while ($curr_table = @PMA_DBI_fetch_row($tab_rs)) { if (($curr_table[0] != $table) && ($curr_table[0] != $cfg['Server']['relation'])) { PMA_DBI_select_db($db); // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli $fi_rs = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', NULL, PMA_DBI_QUERY_STORE); if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) { $seen_a_primary = FALSE; while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) { if (isset($curr_field['Key_name']) && $curr_field['Key_name'] == 'PRIMARY') { $seen_a_primary = TRUE; $field_full = $db . '.' .$curr_field['Table'] . '.' . $curr_field['Column_name']; $field_v = $curr_field['Table'] . '->' . $curr_field['Column_name']; $selectboxall[$field_full] = $field_v; // there could be more than one segment of the primary // so do not break // Please watch here, tbl_type is INNODB but the // resulting value of SHOW KEYS is InnoDB if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') { $selectboxall_innodb[$field_full] = $field_v; } } else if (isset($curr_field['Non_unique']) && $curr_field['Non_unique'] == 0 && $seen_a_primary==FALSE) { // if we can't find a primary key we take any unique one // (in fact, we show all segments of unique keys // and all unique keys) $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name']; $field_v = $curr_field['Table'] . '->' . $curr_field['Column_name']; $selectboxall[$field_full] = $field_v; if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') { $selectboxall_innodb[$field_full] = $field_v; } // for InnoDB, any index is allowed } else if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') { $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name']; $field_v = $curr_field['Table'] . '->' . $curr_field['Column_name']; $selectboxall_innodb[$field_full] = $field_v; } // end if } // end while over keys } // end if (PMA_DBI_num_rows) PMA_DBI_free_result($fi_rs); unset($fi_rs); // Mike Beck - 24.07.02: i've been asked to add all keys of the // current table (see bug report #574851) } else if ($curr_table[0] == $table) { PMA_DBI_select_db($db); // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli $fi_rs = PMA_DBI_query('SHOW KEYS FROM ' . PMA_backquote($curr_table[0]) . ';', NULL, PMA_DBI_QUERY_STORE); if ($fi_rs && PMA_DBI_num_rows($fi_rs) > 0) { while ($curr_field = PMA_DBI_fetch_assoc($fi_rs)) { $field_full = $db . '.' . $curr_field['Table'] . '.' . $curr_field['Column_name']; $field_v = $curr_field['Table'] . '->' . $curr_field['Column_name']; $selectboxall[$field_full] = $field_v; if ($tbl_type=='INNODB' && isset($curr_table[1]) && $curr_table[1]=='InnoDB') { $selectboxall_innodb[$field_full] = $field_v; } } // end while } // end if (PMA_DBI_num_rows) PMA_DBI_free_result($fi_rs); unset($fi_rs); } } // end while over tables } // end if // Now find out the columns of our $table // need to use PMA_DBI_QUERY_STORE with PMA_DBI_num_rows() in mysqli $col_rs = PMA_DBI_try_query('SHOW COLUMNS FROM ' . PMA_backquote($table) . ';', NULL, PMA_DBI_QUERY_STORE); if ($col_rs && PMA_DBI_num_rows($col_rs) > 0) { while ($row = PMA_DBI_fetch_assoc($col_rs)) { $save_row[] = $row; } $saved_row_cnt = count($save_row); echo $tbl_type=='INNODB' ? '' : '<table border="0" cellpadding="0" cellspacing="0">' . "\n" . ' <tr><td valign="top">' . "\n\n"; ?> <form method="post" action="tbl_relation.php"> <?php echo PMA_generate_common_hidden_inputs($db, $table); ?> <input type="hidden" name="submit_rel" value="true" /> <table cellpadding="2" cellspacing="1"> <tr> <th colspan="<?php echo $tbl_type=='INNODB' ? '4' : '2'; ?>" align="center" class="tblHeaders"><b><?php echo $strLinksTo; ?></b></th> </tr> <tr> <th></th> <?php if ($cfgRelation['relwork']) { echo ' <th><b>' .$strInternalRelations; if ($tbl_type=='INNODB') { echo ' ' . PMA_showHint($strInternalNotNecessary); } echo '</b></th>'; } if ($tbl_type=='INNODB') { echo '<th colspan="2">InnoDB'; if (PMA_MYSQL_INT_VERSION < 40013) { echo ' (**)'; } echo '</th>'; } ?> </tr> <?php for ($i = 0; $i < $saved_row_cnt; $i++) { $myfield = $save_row[$i]['Field']; echo "\n"; ?> <tr> <td align="center" bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"><b><?php echo $save_row[$i]['Field']; ?></b></td> <?php if ($cfgRelation['relwork']) { ?> <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"> <select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]"> <?php echo "\n"; // PMA internal relations if (isset($existrel[$myfield])) { $foreign_field = $existrel[$myfield]['foreign_db'] . '.' . $existrel[$myfield]['foreign_table'] . '.' . $existrel[$myfield]['foreign_field']; } else { $foreign_field = FALSE; } $seen_key = FALSE; foreach ($selectboxall AS $key => $value) { echo ' ' . '<option value="' . htmlspecialchars($key) . '"'; if ($foreign_field && $key == $foreign_field) { echo ' selected="selected"'; $seen_key = TRUE; } echo '>' . $value . '</option>'. "\n"; } // end while // if the link defined in relationtable points to a foreign field // that is not a key in the foreign table, we show the link // (will not be shown with an arrow) if ($foreign_field && !$seen_key) { echo ' ' . '<option value="' . htmlspecialchars($foreign_field) . '"'; echo ' selected="selected"'; echo '>' . $foreign_field . '</option>'. "\n"; } ?> </select> </td> <?php } // end if (internal relations) if ($tbl_type=='INNODB') { if (!empty($save_row[$i]['Key'])) { ?> <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"> <select name="destination_innodb[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]"> <?php if (isset($existrel_innodb[$myfield])) { $foreign_field = $existrel_innodb[$myfield]['foreign_db'] . '.' . $existrel_innodb[$myfield]['foreign_table'] . '.' . $existrel_innodb[$myfield]['foreign_field']; } else { $foreign_field = FALSE; } $found_foreign_field = FALSE; foreach ($selectboxall_innodb AS $key => $value) { echo ' ' . '<option value="' . htmlspecialchars($key) . '"'; if ($foreign_field && $key == $foreign_field) { echo ' selected="selected"'; $found_foreign_field = TRUE; } echo '>' . $value . '</option>'. "\n"; } // end while // we did not find the foreign field in the tables of current db, // must be defined in another db so show it to avoid erasing it if (!$found_foreign_field && $foreign_field) { echo ' ' . '<option value="' . htmlspecialchars($foreign_field) . '"'; echo ' selected="selected"'; echo '>' . $foreign_field . '</option>'. "\n"; } ?> </select> </td> <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"> <?php PMA_generate_dropdown('ON DELETE', htmlspecialchars($save_row[$i]['Field']) . '_on_delete', $options_array, (isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '') ); echo ' '; PMA_generate_dropdown('ON UPDATE', htmlspecialchars($save_row[$i]['Field']) . '_on_update', $options_array, (isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '') ); } else { echo '<td>' . PMA_showHint($strNoIndex) . '</td>'; } // end if (a key exists) } // end if (InnoDB) ?> </td> </tr> <?php } // end for echo "\n"; ?> <tr> <td colspan="<?php echo $tbl_type=='INNODB' ? '4' : '2'; ?>" align="center" class="tblFooters"> <input type="submit" value="<?php echo ' ' . $strGo . ' '; ?>" /> </td> </tr> </table> <?php if ($tbl_type=='INNODB') { if (PMA_MYSQL_INT_VERSION < 40013) { echo '** ' . sprintf($strUpgrade, 'MySQL', '4.0.13') . '<br />'; } } ?> </form> <?php echo $tbl_type=='INNODB' ? '' : "\n\n" . ' </td>' . "\n"; if ($cfgRelation['displaywork']) { echo $tbl_type=='INNODB' ? '' : ' <td> </td>' . "\n" . ' <td valign="top" align="center">' . "\n\n"; // Get "display_field" infos $disp = PMA_getDisplayField($db, $table); echo "\n"; ?> <form method="post" action="tbl_relation.php"> <?php echo PMA_generate_common_hidden_inputs($db, $table); ?> <input type="hidden" name="submit_show" value="true" /> <p><b><?php echo $strChangeDisplay . ': '; ?></b><br /> <select name="display_field" onchange="this.form.submit();" style="vertical-align: middle"> <option value="">---</option> <?php echo "\n"; foreach ($save_row AS $row) { echo ' <option value="' . htmlspecialchars($row['Field']) . '"'; if (isset($disp) && $row['Field'] == $disp) { echo ' selected="selected"'; } echo '>' . htmlspecialchars($row['Field']) . '</option>'. "\n"; } // end while ?> </select> <script type="text/javascript" language="javascript"> <!-- // Fake js to allow the use of the <noscript> tag //--> </script> <noscript> <input type="submit" value="<?php echo $strGo; ?>" style="vertical-align: middle" /> </noscript> </p> </form> <?php echo $tbl_type=='INNODB' ? '' : "\n\n" . ' </td>' . "\n"; } // end if (displayworks) if ($cfgRelation['commwork']) { echo $tbl_type=='INNODB' ? "\n" : ' <td> </td>' . "\n" . ' <td valign="top">' . "\n\n"; ?> <form method="post" action="tbl_relation.php"> <?php echo PMA_generate_common_hidden_inputs($db, $table); ?> <input type="hidden" name="submit_comm" value="true" /> <table border="0" cellpadding="2" cellspacing="1"> <tr> <th colspan="2" align="center" class="tblHeaders"><b><?php echo $strComments; ?></b></th> </tr> <?php for ($i = 0; $i < $saved_row_cnt; $i++) { $field = $save_row[$i]['Field']; echo "\n"; ?> <tr> <td align="center" bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"><b><?php echo $field; ?></b></td> <td bgcolor="<?php echo ($i % 2) ? $GLOBALS['cfg']['BgcolorOne'] : $GLOBALS['cfg']['BgcolorTwo']; ?>"> <input type="text" name="comment[<?php echo $field; ?>]" value="<?php echo (isset($comments[$field]) ? htmlspecialchars($comments[$field]) : ''); ?>" /> </td> </tr> <?php } // end for echo "\n"; ?> <tr> <td colspan="2" align="center" class="tblFooters"> <input type="submit" value="<?php echo ' ' . $strGo . ' '; ?>" /> </td> </tr> </table> </form> <?php } // end if (comments work) echo $tbl_type=='INNODB' ? '' : "\n\n" . ' </td></tr>' . "\n" . '</table>' . "\n\n"; } // end if (we have columns in this table) /** * Displays the footer */ require_once('./footer.inc.php'); ?>