Viewing file: tbl_relation.php (23.03 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* $Id: tbl_relation.php,v 2.31.2.1 2006/04/11 17:51:03 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_properties_common.php'); $url_query .= '&goto=tbl_properties.php';
/** * Gets tables informations */ require_once('./libraries/tbl_properties_table_info.inc.php');
// Note: in libraries/tbl_properties_links.inc.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_once('./libraries/tbl_properties_links.inc.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) { echo $dropdown_question . ' ';
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 '>' . $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, $table); }
// u p d a t e s f o r I n t e r n a l r e l a t i o n s if (isset($destination) && $cfgRelation['relwork']) {
foreach ($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])) { $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . 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($foreign_field) . '\')'; } elseif ($existrel[$master_field]['foreign_db'] . '.' .$existrel[$master_field]['foreign_table'] . '.' . $existrel[$master_field]['foreign_field'] != $foreign_string) { $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . 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($master_field) . '\''; } // end if... else.... } elseif (isset($existrel[$master_field])) { $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . 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($upd_query); } } // end while } // end if (updates for internal relations)
// u p d a t e s f o r I n n o D B // ( for now, one index name only; we keep the definitions if the // foreign db is not the same) if (isset($_REQUEST['destination_innodb'])) { foreach ($_REQUEST['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($master_field) . ')' . ' REFERENCES ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table) . '(' . PMA_backquote($foreign_field) . ')';
if ($_REQUEST['on_delete'][$master_field] != 'nix') { $upd_query .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field]]; } if ($_REQUEST['on_update'][$master_field] != 'nix') { $upd_query .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field]]; }
// end repeated code
} elseif (($existrel_innodb[$master_field]['foreign_db'] . '.' .$existrel_innodb[$master_field]['foreign_table'] . '.' . $existrel_innodb[$master_field]['foreign_field'] != $foreign_string) || ( $_REQUEST['on_delete'][$master_field] != (!empty($existrel_innodb[$master_field]['on_delete']) ? $existrel_innodb[$master_field]['on_delete'] : '')) || ( $_REQUEST['on_update'][$master_field] != (!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($master_field) . ')' . ' REFERENCES ' . PMA_backquote($foreign_db) . '.' . PMA_backquote($foreign_table) . '(' . PMA_backquote($foreign_field) . ')';
if ($_REQUEST['on_delete'][$master_field] != 'nix') { $upd_query .= ' ON DELETE ' . $options_array[$_REQUEST['on_delete'][$master_field]]; } if ($_REQUEST['on_update'][$master_field] != 'nix') { $upd_query .= ' ON UPDATE ' . $options_array[$_REQUEST['on_update'][$master_field]]; }
} // end if... else.... } elseif (isset($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, $tmp_error); } } // end while } // end if isset($destination_innodb)
// U p d a t e s f o r d i s p l a y f i e l d
if ($cfgRelation['displaywork'] && isset($display_field)) {
if ($disp) { if ($display_field != '') { $upd_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . 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 { $upd_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_info']) . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'' . ' AND table_name = \'' . PMA_sqlAddslashes($table) . '\''; } } elseif ($display_field != '') { $upd_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . 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 we did an update, refresh our data if (isset($destination) && $cfgRelation['relwork']) { $existrel = PMA_getForeigners($db, $table, '', 'internal'); } if (isset($destination_innodb) && $tbl_type=='INNODB') { $existrel_innodb = PMA_getForeigners($db, $table, '', 'innodb'); }
if ($cfgRelation['displaywork']) { $disp = PMA_getDisplayField($db, $table); }
/** * Dialog */
// common form echo '<form method="post" action="tbl_relation.php">' . "\n"; echo PMA_generate_common_hidden_inputs($db, $table);
// relations
if ($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] = $field_v; }
} elseif (isset($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] = $field_v; }
// for InnoDB, any index is allowed } elseif ($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($fi_rs); // Mike Beck - 24.07.02: i've been asked to add all keys of the // current table (see bug report #574851) } elseif ($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); ?> <fieldset> <legend><?php echo $strLinksTo; ?></legend>
<table> <tr><th></th> <?php if ( $cfgRelation['relwork'] ) { echo '<th>' . $strInternalRelations; if ($tbl_type=='INNODB') { echo PMA_showHint( $strInternalNotNecessary ); } echo '</th>'; } if ( $tbl_type=='INNODB' ) { echo '<th colspan="2">InnoDB'; if (PMA_MYSQL_INT_VERSION < 40013) { echo '(**)'; } echo '</th>'; } ?> </tr> <?php $odd_row = true; for ($i = 0; $i < $saved_row_cnt; $i++) { $myfield = $save_row[$i]['Field']; ?> <tr class="<?php echo $odd_row ? 'odd' : 'even'; $odd_row = ! $odd_row; ?>"> <td align="center"> <b><?php echo $save_row[$i]['Field']; ?></b></td> <?php if ($cfgRelation['relwork']) { ?> <td><select name="destination[<?php echo htmlspecialchars($save_row[$i]['Field']); ?>]"> <?php // PMA internal relations if (isset($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) . '"' .' selected="selected"' .'>' . $foreign_field . '</option>'. "\n"; } ?> </select> </td> <?php } // end if (internal relations)
if ($tbl_type=='INNODB') { echo '<td>'; if (!empty($save_row[$i]['Key'])) { ?> <span class="formelement"> <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 '>' . $foreign_field . '</option>' . "\n"; }
?> </select> </span> <span class="formelement"> <?php PMA_generate_dropdown('ON DELETE', 'on_delete[' . htmlspecialchars($save_row[$i]['Field']) . ']', $options_array, isset($existrel_innodb[$myfield]['on_delete']) ? $existrel_innodb[$myfield]['on_delete']: '' );
echo '</span>' . "\n" .'<span class="formelement">' . "\n";
PMA_generate_dropdown('ON UPDATE', 'on_update[' . htmlspecialchars($save_row[$i]['Field']) . ']', $options_array, isset($existrel_innodb[$myfield]['on_update']) ? $existrel_innodb[$myfield]['on_update']: '' ); echo '</span>' . "\n"; } else { echo $strNoIndex; } // end if (a key exists) echo ' </td>'; } // end if (InnoDB) ?> </tr> <?php } // end for
echo ' </table>' . "\n"; echo '</fieldset>' . "\n";
if ($cfgRelation['displaywork']) { // Get "display_field" infos $disp = PMA_getDisplayField($db, $table); ?> <fieldset> <label><?php echo $strChangeDisplay . ': '; ?></label> <select name="display_field" style="vertical-align: middle"> <option value="">---</option> <?php foreach ($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> </fieldset> <?php } // end if (displayworks) ?> <fieldset class="tblFooters"> <input type="submit" value="<?php echo $strSave; ?>" /> </fieldset> </form> <?php } // end if (we have columns in this table)
if ( $tbl_type === 'INNODB' && PMA_MYSQL_INT_VERSION < 40013 ) { echo '<div class="warning">' .'** ' . sprintf($strUpgrade, 'MySQL', '4.0.13') .'</div>'; }
/** * Displays the footer */ require_once('./libraries/footer.inc.php'); ?>
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