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<?php /* vim: set expandtab sw=4 ts=4 sts=4: */ /** * Functions for the table relation page * * @package PhpMyAdmin */
/** * Generate dropdown choices * * @param string $dropdown_question Message to display * @param string $select_name Name of the <select> field * @param array $choices Choices for dropdown * @param string $selected_value Selected value * * @return string The html code for existing value (for selected) * * @access public */ function PMA_generateDropdown( $dropdown_question, $select_name, $choices, $selected_value ) { $html_output = htmlspecialchars($dropdown_question) . ' ' . '<select name="' . htmlspecialchars($select_name) . '">' . "\n";
foreach ($choices as $one_value => $one_label) { $html_output .= '<option value="' . htmlspecialchars($one_value) . '"'; if ($selected_value == $one_value) { $html_output .= ' selected="selected" '; } $html_output .= '>' . htmlspecialchars($one_label) . '</option>' . "\n"; } $html_output .= '</select>' . "\n";
return $html_output; }
/** * Split a string on backquote pairs * * @param string $text original string * * @return array containing the elements (and their surrounding backquotes) * * @access public */ function PMA_backquoteSplit($text) { $elements = array(); $final_pos = strlen($text) - 1; $pos = 0; while ($pos <= $final_pos) { $first_backquote = strpos($text, '`', $pos); $second_backquote = strpos($text, '`', $first_backquote + 1); // after the second one, there might be another one which means // this is an escaped backquote if ($second_backquote < $final_pos && '`' == $text[$second_backquote + 1]) { $second_backquote = strpos($text, '`', $second_backquote + 2); } if (false === $first_backquote || false === $second_backquote) { break; } $elements[] = substr( $text, $first_backquote, $second_backquote - $first_backquote + 1 ); $pos = $second_backquote + 1; } return($elements); }
/** * Returns the DROP query for a foreign key constraint * * @param string $table table of the foreign key * @param string $fk foreign key name * * @return string DROP query for the foreign key constraint */ function PMA_getSQLToDropForeignKey($table, $fk) { return 'ALTER TABLE ' . PMA_Util::backquote($table) . ' DROP FOREIGN KEY ' . PMA_Util::backquote($fk) . ';'; }
/** * Returns the SQL query for foreign key constraint creation * * @param string $table table name * @param string $field field name * @param string $foreignDb foreign database name * @param string $foreignTable foreign table name * @param string $foreignField foreign field name * @param string $name name of the constraint * @param string $onDelete on delete action * @param string $onUpdate on update action * * @return string SQL query for foreign key constraint creation */ function PMA_getSQLToCreateForeignKey($table, $field, $foreignDb, $foreignTable, $foreignField, $name = null, $onDelete = null, $onUpdate = null ) { $sql_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ADD '; // if user entered a constraint name if (! empty($name)) { $sql_query .= ' CONSTRAINT ' . PMA_Util::backquote($name); }
$sql_query .= ' FOREIGN KEY (' . PMA_Util::backquote($field) . ')' . ' REFERENCES ' . PMA_Util::backquote($foreignDb) . '.' . PMA_Util::backquote($foreignTable) . '(' . PMA_Util::backquote($foreignField) . ')';
if (! empty($onDelete)) { $sql_query .= ' ON DELETE ' . $onDelete; } if (! empty($onUpdate)) { $sql_query .= ' ON UPDATE ' . $onUpdate; } $sql_query .= ';';
return $sql_query; }
/** * Creates and populates dropdowns to select foreign db/table/column * * @param string $name name of the dropdowns * @param array $values dropdown values * @param string|boolean $foreign value of the item to be selected * @param string $title title to show on hovering the dropdown * * @return string HTML for the dropdown */ function PMA_generateRelationalDropdown( $name, $values = array(), $foreign = false, $title = '' ) { $html_output = '<select name="' . $name . '" title="' . $title . '">'; $html_output .= '<option value=""></option>';
$seen_key = false; foreach ($values as $value) { $html_output .= '<option value="' . htmlspecialchars($value) . '"'; if ($foreign && $value == $foreign) { $html_output .= ' selected="selected"'; $seen_key = true; } $html_output .= '>' . htmlspecialchars($value) . '</option>'; }
if ($foreign && ! $seen_key) { $html_output .= '<option value="' . htmlspecialchars($foreign) . '"' . ' selected="selected">' . htmlspecialchars($foreign) . '</option>'; } $html_output .= '</select>'; return $html_output; }
/** * Function to get html for the common form * * @param string $db current database * @param string $table current table * @param array $columns columns * @param array $cfgRelation configuration relation * @param string $tbl_storage_engine table storage engine * @param array $existrel db, table, column * @param array $existrel_foreign db, table, column * @param array $options_array options array * * @return string */ function PMA_getHtmlForCommonForm($db, $table, $columns, $cfgRelation, $tbl_storage_engine, $existrel, $existrel_foreign, $options_array ) { $html_output = PMA_getHtmlForCommonFormHeader($db, $table);
if (count($columns) > 0) { $html_output .= PMA_getHtmlForCommonFormRows( $columns, $cfgRelation, $tbl_storage_engine, $existrel, $existrel_foreign, $options_array, $db, $table ); } // end if (we have columns in this table)
$html_output .= PMA_getHtmlForCommonFormFooter();
return $html_output; }
/** * Function to get html for the common form rows * * @param array $columns columns * @param array $cfgRelation configuration relation * @param string $tbl_storage_engine table storage engine * @param array $existrel existed relations * @param array $existrel_foreign existed relations for foreign keys * @param array $options_array options array * @param string $db current database * @param string $table current table * * @return string */ function PMA_getHtmlForCommonFormRows($columns, $cfgRelation, $tbl_storage_engine, $existrel, $existrel_foreign, $options_array, $db, $table ) { $save_row = array(); foreach ($columns as $row) { $save_row[] = $row; }
$saved_row_cnt = count($save_row);
$html_output = '<fieldset>' . '<legend>' . __('Relations') . '</legend>' . '<table id="relationalTable">';
$html_output .= PMA_getHtmlForCommonFormTableHeaders( $cfgRelation, $tbl_storage_engine );
$odd_row = true; for ($i = 0; $i < $saved_row_cnt; $i++) { $html_output .= PMA_getHtmlForRow( $save_row, $i, $odd_row, $cfgRelation, $existrel, $db, $tbl_storage_engine, $existrel_foreign, $options_array ); $odd_row = ! $odd_row; } // end for
$html_output .= '</table>' . "\n" . '</fieldset>' . "\n";
if ($cfgRelation['displaywork']) { $html_output .= PMA_getHtmlForDisplayFieldInfos($db, $table, $save_row); }
return $html_output; }
/** * Function to get html for an entire row in common form * * @param array $save_row save row * @param int $i counter * @param bool $odd_row whether odd row or not * @param array $cfgRelation configuration relation * @param array $existrel db, table, column * @param string $db current db * @param string $tbl_storage_engine table storage engine * @param array $existrel_foreign db, table, column * @param array $options_array options array * * @return string */ function PMA_getHtmlForRow($save_row, $i, $odd_row, $cfgRelation, $existrel, $db, $tbl_storage_engine, $existrel_foreign, $options_array ) { $myfield = $save_row[$i]['Field']; // Use an md5 as array index to avoid having special characters // in the name attribute (see bug #1746964 ) $myfield_md5 = md5($myfield); $myfield_html = htmlspecialchars($myfield);
$html_output = '<tr class="' . ($odd_row ? 'odd' : 'even') . '">' . '<td class="center">' . '<strong>' . $myfield_html . '</strong>' . '<input type="hidden" name="fields_name[' . $myfield_md5 . ']"' . ' value="' . $myfield_html . '"/>' . '</td>';
if ($cfgRelation['relwork']) { $html_output .= '<td>';
$foreign_db = false; $foreign_table = false; $foreign_column = false;
// database dropdown if (isset($existrel[$myfield])) { $foreign_db = $existrel[$myfield]['foreign_db']; } else { $foreign_db = $db; } $html_output .= PMA_generateRelationalDropdown( 'destination_db[' . $myfield_md5 . ']', $GLOBALS['pma']->databases, $foreign_db, __('Database') ); // end of database dropdown
// table dropdown $tables = array(); if ($foreign_db) { if (isset($existrel[$myfield])) { $foreign_table = $existrel[$myfield]['foreign_table']; } $tables_rs = $GLOBALS['dbi']->query( 'SHOW TABLES FROM ' . PMA_Util::backquote($foreign_db), null, PMA_DatabaseInterface::QUERY_STORE ); while ($row = $GLOBALS['dbi']->fetchRow($tables_rs)) { $tables[] = $row[0]; } } $html_output .= PMA_generateRelationalDropdown( 'destination_table[' . $myfield_md5 . ']', $tables, $foreign_table, __('Table') ); // end of table dropdown
// column dropdown $columns = array(); if ($foreign_db && $foreign_table) { if (isset($existrel[$myfield])) { $foreign_column = $existrel[$myfield]['foreign_field']; } $table_obj = new PMA_Table($foreign_table, $foreign_db); $columns = $table_obj->getUniqueColumns(false, false); } $html_output .= PMA_generateRelationalDropdown( 'destination_column[' . $myfield_md5 . ']', $columns, $foreign_column, __('Column') ); // end of column dropdown
$html_output .= '</td>'; } // end if (internal relations)
if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) { $html_output .= PMA_getHtmlForForeignKey( $save_row, $i, $existrel_foreign, $myfield, $db, $myfield_md5, $tbl_storage_engine, $options_array ); } // end if (InnoDB) $html_output .= '</tr>';
return $html_output; }
/** * Function to get html for the common form header * * @param string $db current database * @param string $table current table * * @return string */ function PMA_getHtmlForCommonFormHeader($db, $table) { return '<form method="post" action="tbl_relation.php">' . "\n" . PMA_URL_getHiddenInputs($db, $table); }
/** * Function to get html for the common form footer * * @return string */ function PMA_getHtmlForCommonFormFooter() { return '<fieldset class="tblFooters">' . '<input type="submit" value="' . __('Save') . '" />' . '</fieldset>' . '</form>'; }
/** * Function to get html for display field infos * * @param string $db current database * @param string $table current table * @param array $save_row save row * * @return string */ function PMA_getHtmlForDisplayFieldInfos($db, $table, $save_row) { $disp = PMA_getDisplayField($db, $table); $html_output = '<fieldset>' . '<label>' . __('Choose column to display:') . '</label>' . '<select name="display_field">' . '<option value="">---</option>';
foreach ($save_row as $row) { $html_output .= '<option value="' . htmlspecialchars($row['Field']) . '"'; if (isset($disp) && $row['Field'] == $disp) { $html_output .= ' selected="selected"'; } $html_output .= '>' . htmlspecialchars($row['Field']) . '</option>' . "\n"; } // end while
$html_output .= '</select>' . '</fieldset>';
return $html_output; }
/** * Function to get html for the common form title headers * * @param array $cfgRelation configuration relation * @param string $tbl_storage_engine table storage engine * * @return string */ function PMA_getHtmlForCommonFormTableHeaders($cfgRelation, $tbl_storage_engine) { $html_output = '<tr><th>' . __('Column') . '</th>';
if ($cfgRelation['relwork']) { $html_output .= '<th>' . __('Internal relation'); if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) { $html_output .= PMA_Util::showHint( __( 'An internal relation is not necessary when a corresponding' . ' FOREIGN KEY relation exists.' ) ); } $html_output .= '</th>'; }
if (PMA_Util::isForeignKeySupported($tbl_storage_engine)) { // this does not have to be translated, it's part of the MySQL syntax $html_output .= '<th colspan="2">' . __('Foreign key constraint') . ' (' . $tbl_storage_engine . ')'; $html_output .= '</th>'; } $html_output .= '</tr>';
return $html_output; }
/** * Function to get html for the foreign key * * @param array $save_row save row * @param int $i counter * @param array $existrel_foreign db, table, columns * @param string $myfield my field * @param string $db current database * @param string $myfield_md5 my field md5 * @param string $tbl_storage_engine table storage engine * @param array $options_array options array * * @return string */ function PMA_getHtmlForForeignKey($save_row, $i, $existrel_foreign, $myfield, $db, $myfield_md5, $tbl_storage_engine, $options_array ) { $html_output = '<td>'; if (! empty($save_row[$i]['Key'])) {
$foreign_db = false; $foreign_table = false; $foreign_column = false;
// foreign database dropdown if (isset($existrel_foreign[$myfield])) { $foreign_db = $existrel_foreign[$myfield]['foreign_db']; } else { $foreign_db = $db; } $html_output .= '<span class="formelement clearfloat">'; $html_output .= PMA_generateRelationalDropdown( 'destination_foreign_db[' . $myfield_md5 . ']', $GLOBALS['pma']->databases, $foreign_db, __('Database') ); // end of foreign database dropdown
// foreign table dropdown $tables = array(); if ($foreign_db) { if (isset($existrel_foreign[$myfield])) { $foreign_table = $existrel_foreign[$myfield]['foreign_table']; } // In Drizzle, 'SHOW TABLE STATUS' will show status only for the tables // which are currently in the table cache. Hence we have to use // 'SHOW TABLES' and manully retrieve table engine values. if (PMA_DRIZZLE) { $tables_rs = $GLOBALS['dbi']->query( 'SHOW TABLES FROM ' . PMA_Util::backquote($foreign_db), null, PMA_DatabaseInterface::QUERY_STORE ); while ($row = $GLOBALS['dbi']->fetchArray($tables_rs)) { $engine = PMA_Table::sGetStatusInfo( $foreign_db, $row[0], 'Engine' ); if (isset($engine) && strtoupper($engine) == $tbl_storage_engine ) { $tables[] = $row[0]; } } } else { $tables_rs = $GLOBALS['dbi']->query( 'SHOW TABLE STATUS FROM ' . PMA_Util::backquote($foreign_db), null, PMA_DatabaseInterface::QUERY_STORE ); while ($row = $GLOBALS['dbi']->fetchRow($tables_rs)) { if (isset($row[1]) && strtoupper($row[1]) == $tbl_storage_engine ) { $tables[] = $row[0]; } } } } $html_output .= PMA_generateRelationalDropdown( 'destination_foreign_table[' . $myfield_md5 . ']', $tables, $foreign_table, __('Table') ); // end of foreign table dropdown
// foreign column dropdown $columns = array(); if ($foreign_db && $foreign_table) { if (isset($existrel_foreign[$myfield])) { $foreign_column = $existrel_foreign[$myfield]['foreign_field']; } $table_obj = new PMA_Table($foreign_table, $foreign_db); $columns = $table_obj->getUniqueColumns(false, false); } $html_output .= PMA_generateRelationalDropdown( 'destination_foreign_column[' . $myfield_md5 . ']', $columns, $foreign_column, __('Column') ); $html_output .= '</span>'; // end of foreign column dropdown
// For constraint name $html_output .= '<span class="formelement clearfloat">'; $constraint_name = isset($existrel_foreign[$myfield]['constraint']) ? $existrel_foreign[$myfield]['constraint'] : ''; $html_output .= __('Constraint name'); $html_output .= '<input type="text" name="constraint_name[' . $myfield_md5 . ']"' . ' value="' . htmlspecialchars($constraint_name) . '"/>'; $html_output .= '</span>' . "\n";
$html_output .= '<span class="formelement clearfloat">'; // For ON DELETE and ON UPDATE, the default action // is RESTRICT as per MySQL doc; however, a SHOW CREATE TABLE // won't display the clause if it's set as RESTRICT. $on_delete = isset($existrel_foreign[$myfield]['on_delete']) ? $existrel_foreign[$myfield]['on_delete'] : 'RESTRICT'; $html_output .= PMA_generateDropdown( 'ON DELETE', 'on_delete[' . $myfield_md5 . ']', $options_array, $on_delete ); $html_output .= '</span>' . "\n";
$html_output .= '<span class="formelement clearfloat">' . "\n"; $on_update = isset($existrel_foreign[$myfield]['on_update']) ? $existrel_foreign[$myfield]['on_update'] : 'RESTRICT'; $html_output .= PMA_generateDropdown( 'ON UPDATE', 'on_update[' . $myfield_md5 . ']', $options_array, $on_update ); $html_output .= '</span>' . "\n"; } else { $html_output .= __('No index defined! Create one below'); } // end if (a key exists) $html_output .= '</td>';
return $html_output; }
/** * Function to send html for table or column dropdown list * * @return void */ function PMA_sendHtmlForTableOrColumnDropdownList() { if (isset($_REQUEST['foreignTable'])) { // if both db and table are selected PMA_sendHtmlForColumnDropdownList(); } else { // if only the db is selected PMA_sendHtmlForTableDropdownList(); } exit; }
/** * Function to send html for column dropdown list * * @return void */ function PMA_sendHtmlForColumnDropdownList() { $response = PMA_Response::getInstance();
$foreignTable = $_REQUEST['foreignTable']; $table_obj = new PMA_Table($foreignTable, $_REQUEST['foreignDb']); $columns = array(); foreach ($table_obj->getUniqueColumns(false, false) as $column) { $columns[] = htmlspecialchars($column); } $response->addJSON('columns', $columns); }
/** * Function to send html for table dropdown list * * @return void */ function PMA_sendHtmlForTableDropdownList() { $response = PMA_Response::getInstance(); $tables = array();
$foreign = isset($_REQUEST['foreign']) && $_REQUEST['foreign'] === 'true'; if ($foreign) { $tbl_storage_engine = strtoupper( PMA_Table::sGetStatusInfo( $_REQUEST['db'], $_REQUEST['table'], 'Engine' ) ); }
// In Drizzle, 'SHOW TABLE STATUS' will show status only for the tables // which are currently in the table cache. Hence we have to use 'SHOW TABLES' // and manully retrieve table engine values. if ($foreign && ! PMA_DRIZZLE) { $query = 'SHOW TABLE STATUS FROM ' . PMA_Util::backquote($_REQUEST['foreignDb']); $tables_rs = $GLOBALS['dbi']->query( $query, null, PMA_DatabaseInterface::QUERY_STORE );
while ($row = $GLOBALS['dbi']->fetchArray($tables_rs)) { if (isset($row['Engine']) && strtoupper($row['Engine']) == $tbl_storage_engine ) { $tables[] = htmlspecialchars($row['Name']); } } } else { $query = 'SHOW TABLES FROM ' . PMA_Util::backquote($_REQUEST['foreignDb']); $tables_rs = $GLOBALS['dbi']->query( $query, null, PMA_DatabaseInterface::QUERY_STORE ); while ($row = $GLOBALS['dbi']->fetchArray($tables_rs)) { if ($foreign && PMA_DRIZZLE) { $engine = strtoupper( PMA_Table::sGetStatusInfo( $_REQUEST['foreignDb'], $row[0], 'Engine' ) ); if (isset($engine) && $engine == $tbl_storage_engine) { $tables[] = htmlspecialchars($row[0]); } } else { $tables[] = htmlspecialchars($row[0]); } } } $response->addJSON('tables', $tables); }
/** * Function to handle update for display field * * @param string $disp field name * @param string $display_field display field * @param string $db current database * @param string $table current table * @param array $cfgRelation configuration relation * * @return void */ function PMA_handleUpdateForDisplayField($disp, $display_field, $db, $table, $cfgRelation ) { $upd_query = PMA_getQueryForDisplayUpdate( $disp, $display_field, $db, $table, $cfgRelation ); if ($upd_query) { PMA_queryAsControlUser($upd_query); } }
/** * Function to get display query for handlingdisplay update * * @param string $disp field name * @param string $display_field display field * @param string $db current database * @param string $table current table * @param array $cfgRelation configuration relation * * @return string */ function PMA_getQueryForDisplayUpdate($disp, $display_field, $db, $table, $cfgRelation ) { $upd_query = false; if ($disp) { if ($display_field != '') { $upd_query = 'UPDATE ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['table_info']) . ' SET display_field = \'' . PMA_Util::sqlAddSlashes($display_field) . '\'' . ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\'' . ' AND table_name = \'' . PMA_Util::sqlAddSlashes($table) . '\''; } else { $upd_query = 'DELETE FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['table_info']) . ' WHERE db_name = \'' . PMA_Util::sqlAddSlashes($db) . '\'' . ' AND table_name = \'' . PMA_Util::sqlAddSlashes($table) . '\''; } } elseif ($display_field != '') { $upd_query = 'INSERT INTO ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['table_info']) . '(db_name, table_name, display_field) VALUES(' . '\'' . PMA_Util::sqlAddSlashes($db) . '\',' . '\'' . PMA_Util::sqlAddSlashes($table) . '\',' . '\'' . PMA_Util::sqlAddSlashes($display_field) . '\')'; }
return $upd_query; }
/** * Function to handle updates for internal relations * * @param string $destination_db destination database * @param string $multi_edit_columns_name multi edit column name * @param string $destination_table destination table * @param string $destination_column destination column * @param array $cfgRelation configuration relation * @param string $db current database * @param string $table current table * @param array $existrel db, table, column * * @return void */ function PMA_handleUpdatesForInternalRelations($destination_db, $multi_edit_columns_name, $destination_table, $destination_column, $cfgRelation, $db, $table, $existrel ) { foreach ($destination_db as $master_field_md5 => $foreign_db) { $upd_query = PMA_getQueryForInternalRelationUpdate( $multi_edit_columns_name, $master_field_md5, $foreign_db, $destination_table, $destination_column, $cfgRelation, $db, $table, isset($existrel) ? $existrel : null ); if ($upd_query) { PMA_queryAsControlUser($upd_query); } } }
/** * Function to get update query for updating internal relations * * @param string $multi_edit_columns_name multi edit column names * @param string $master_field_md5 master field md5 * @param string $foreign_db foreign database * @param string $destination_table destination table * @param string $destination_column destination column * @param array $cfgRelation configuration relation * @param string $db current database * @param string $table current table * @param array $existrel db, table, column * * @return string */ function PMA_getQueryForInternalRelationUpdate($multi_edit_columns_name, $master_field_md5, $foreign_db, $destination_table, $destination_column, $cfgRelation, $db, $table, $existrel ) { $upd_query = false;
// Map the fieldname's md5 back to its real name $master_field = $multi_edit_columns_name[$master_field_md5];
$foreign_table = $destination_table[$master_field_md5]; $foreign_field = $destination_column[$master_field_md5]; if (! empty($foreign_db) && ! empty($foreign_table) && ! empty($foreign_field) ) { if (! isset($existrel[$master_field])) { $upd_query = 'INSERT INTO ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['relation']) . '(master_db, master_table, master_field, foreign_db,' . ' foreign_table, foreign_field)' . ' values(' . '\'' . PMA_Util::sqlAddSlashes($db) . '\', ' . '\'' . PMA_Util::sqlAddSlashes($table) . '\', ' . '\'' . PMA_Util::sqlAddSlashes($master_field) . '\', ' . '\'' . PMA_Util::sqlAddSlashes($foreign_db) . '\', ' . '\'' . PMA_Util::sqlAddSlashes($foreign_table) . '\',' . '\'' . PMA_Util::sqlAddSlashes($foreign_field) . '\')';
} elseif ($existrel[$master_field]['foreign_db'] != $foreign_db || $existrel[$master_field]['foreign_table'] != $foreign_table || $existrel[$master_field]['foreign_field'] != $foreign_field ) { $upd_query = 'UPDATE ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['relation']) . ' SET' . ' foreign_db = \'' . PMA_Util::sqlAddSlashes($foreign_db) . '\', ' . ' foreign_table = \'' . PMA_Util::sqlAddSlashes($foreign_table) . '\', ' . ' foreign_field = \'' . PMA_Util::sqlAddSlashes($foreign_field) . '\' ' . ' WHERE master_db = \'' . PMA_Util::sqlAddSlashes($db) . '\'' . ' AND master_table = \'' . PMA_Util::sqlAddSlashes($table) . '\'' . ' AND master_field = \'' . PMA_Util::sqlAddSlashes($master_field) . '\''; } // end if... else.... } elseif (isset($existrel[$master_field])) { $upd_query = 'DELETE FROM ' . PMA_Util::backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_Util::backquote($cfgRelation['relation']) . ' WHERE master_db = \'' . PMA_Util::sqlAddSlashes($db) . '\'' . ' AND master_table = \'' . PMA_Util::sqlAddSlashes($table) . '\'' . ' AND master_field = \'' . PMA_Util::sqlAddSlashes($master_field) . '\''; } // end if... else....
return $upd_query; }
/** * Function to handle foreign key updates * * @param string $destination_foreign_db destination foreign database * @param string $multi_edit_columns_name multi edit column names * @param string $destination_foreign_table destination foreign table * @param string $destination_foreign_column destination foreign column * @param array $options_array options array * @param string $table current table * @param array $existrel_foreign db, table, column * * @return string */ function PMA_handleUpdatesForForeignKeys($destination_foreign_db, $multi_edit_columns_name, $destination_foreign_table, $destination_foreign_column, $options_array, $table, $existrel_foreign ) { $html_output = ''; $display_query = ''; $seen_error = false; foreach ($destination_foreign_db as $master_field_md5 => $foreign_db) { $html_output .= PMA_handleUpdateForForeignKey( $multi_edit_columns_name, $master_field_md5, $destination_foreign_table, $destination_foreign_column, $options_array, $existrel_foreign, $table, $seen_error, $display_query, $foreign_db ); } // end foreach if (! empty($display_query) && ! $seen_error) { $GLOBALS['display_query'] = $display_query; $html_output = PMA_Util::getMessage( __('Your SQL query has been executed successfully.'), null, 'success' ); }
return $html_output; }
/** * Function to handle update for a foreign key * * @param array $multi_edit_columns_name multu edit columns name * @param string $master_field_md5 master field md5 * @param string $destination_foreign_table destination foreign table * @param string $destination_foreign_column destination foreign column * @param array $options_array options array * @param array $existrel_foreign db, table, column * @param string $table current table * @param bool &$seen_error whether seen error * @param string &$display_query display query * @param string $foreign_db foreign database * * @return string */ function PMA_handleUpdateForForeignKey($multi_edit_columns_name, $master_field_md5, $destination_foreign_table, $destination_foreign_column, $options_array, $existrel_foreign, $table, &$seen_error, &$display_query, $foreign_db ) { $html_output = ''; $create = false; $drop = false;
// Map the fieldname's md5 back to its real name $master_field = $multi_edit_columns_name[$master_field_md5];
$foreign_table = $destination_foreign_table[$master_field_md5]; $foreign_field = $destination_foreign_column[$master_field_md5]; if (! empty($foreign_db) && ! empty($foreign_table) && ! empty($foreign_field) ) { if ( isset($existrel_foreign[$master_field])) { $constraint_name = $existrel_foreign[$master_field]['constraint']; $on_delete = ! empty( $existrel_foreign[$master_field]['on_delete']) ? $existrel_foreign[$master_field]['on_delete'] : 'RESTRICT'; $on_update = ! empty( $existrel_foreign[$master_field]['on_update']) ? $existrel_foreign[$master_field]['on_update'] : 'RESTRICT'; } if (! isset($existrel_foreign[$master_field])) { // no key defined for this field $create = true; } elseif ($existrel_foreign[$master_field]['foreign_db'] != $foreign_db || $existrel_foreign[$master_field]['foreign_table'] != $foreign_table || $existrel_foreign[$master_field]['foreign_field'] != $foreign_field || $_REQUEST['constraint_name'][$master_field_md5] != $constraint_name || ($_REQUEST['on_delete'][$master_field_md5] != $on_delete) || ($_REQUEST['on_update'][$master_field_md5] != $on_update) ) { // another foreign key is already defined for this field // or an option has been changed for ON DELETE or ON UPDATE $drop = true; $create = true; } // end if... else.... } elseif (isset($existrel_foreign[$master_field])) { $drop = true; } // end if... else....
$tmp_error_drop = false; if ($drop) { $drop_query = PMA_getSQLToDropForeignKey( $table, $existrel_foreign[$master_field]['constraint'] ); $display_query .= $drop_query . "\n"; $GLOBALS['dbi']->tryQuery($drop_query); $tmp_error_drop = $GLOBALS['dbi']->getError();
if (! empty($tmp_error_drop)) { $seen_error = true; $html_output .= PMA_Util::mysqlDie( $tmp_error_drop, $drop_query, false, '', false ); return $html_output; } } $tmp_error_create = false; if ($create) { $create_query = PMA_getSQLToCreateForeignKey( $table, $master_field, $foreign_db, $foreign_table, $foreign_field, $_REQUEST['constraint_name'][$master_field_md5], $options_array[$_REQUEST['on_delete'][$master_field_md5]], $options_array[$_REQUEST['on_update'][$master_field_md5]] );
$display_query .= $create_query . "\n"; $GLOBALS['dbi']->tryQuery($create_query); $tmp_error_create = $GLOBALS['dbi']->getError(); if (! empty($tmp_error_create)) { $seen_error = true;
if (substr($tmp_error_create, 1, 4) == '1005') { $message = PMA_Message::error( __('Error creating foreign key on %1$s (check data types)') ); $message->addParam($master_field); $html_output .= $message->getDisplay(); } else { $html_output .= PMA_Util::mysqlDie( $tmp_error_create, $create_query, false, '', false ); } $html_output .= PMA_Util::showMySQLDocu( 'InnoDB_foreign_key_constraints' ) . "\n"; }
// this is an alteration and the old constraint has been dropped // without creation of a new one if ($drop && $create && empty($tmp_error_drop) && ! empty($tmp_error_create) ) { // a rollback may be better here $sql_query_recreate = '# Restoring the dropped constraint...' . "\n"; $sql_query_recreate .= PMA_getSQLToCreateForeignKey( $table, $master_field, $existrel_foreign[$master_field]['foreign_db'], $existrel_foreign[$master_field]['foreign_table'], $existrel_foreign[$master_field]['foreign_field'], $existrel_foreign[$master_field]['constraint'], $options_array[$existrel_foreign[$master_field]['on_delete']], $options_array[$existrel_foreign[$master_field]['on_update']] ); $display_query .= $sql_query_recreate . "\n"; $GLOBALS['dbi']->tryQuery($sql_query_recreate); } }
return $html_output; } ?>
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