PHP PMA_REL_renameField函数代码示例

/**
 * Update the table's structure based on $_REQUEST
 *
 * @param string $db    database name
 * @param string $table table name
 *
 * @return boolean $regenerate              true if error occurred
 *
 */
function PMA_updateColumns($db, $table)
{
    $err_url = 'tbl_structure.php?' . PMA_URL_getCommon($db, $table);
    $regenerate = false;
    $field_cnt = count($_REQUEST['field_name']);
    $key_fields = array();
    $changes = array();
    for ($i = 0; $i < $field_cnt; $i++) {
        if (PMA_columnNeedsAlterTable($i)) {
            $changes[] = 'CHANGE ' . PMA_Table::generateAlter(isset($_REQUEST['field_orig'][$i]) ? $_REQUEST['field_orig'][$i] : '', $_REQUEST['field_name'][$i], $_REQUEST['field_type'][$i], $_REQUEST['field_length'][$i], $_REQUEST['field_attribute'][$i], isset($_REQUEST['field_collation'][$i]) ? $_REQUEST['field_collation'][$i] : '', isset($_REQUEST['field_null'][$i]) ? $_REQUEST['field_null'][$i] : 'NOT NULL', $_REQUEST['field_default_type'][$i], $_REQUEST['field_default_value'][$i], isset($_REQUEST['field_extra'][$i]) ? $_REQUEST['field_extra'][$i] : false, isset($_REQUEST['field_comments'][$i]) ? $_REQUEST['field_comments'][$i] : '', $key_fields, $i, isset($_REQUEST['field_move_to'][$i]) ? $_REQUEST['field_move_to'][$i] : '');
        }
    }
    // end for
    $response = PMA_Response::getInstance();
    if (count($changes) > 0) {
        // Builds the primary keys statements and updates the table
        $key_query = '';
        /**
         * this is a little bit more complex
         *
         * @todo if someone selects A_I when altering a column we need to check:
         *  - no other column with A_I
         *  - the column has an index, if not create one
         *
         */
        // To allow replication, we first select the db to use
        // and then run queries on this db.
        if (!$GLOBALS['dbi']->selectDb($db)) {
            PMA_Util::mysqlDie($GLOBALS['dbi']->getError(), 'USE ' . PMA_Util::backquote($db) . ';', '', $err_url);
        }
        $sql_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ';
        $sql_query .= implode(', ', $changes) . $key_query;
        $sql_query .= ';';
        $result = $GLOBALS['dbi']->tryQuery($sql_query);
        if ($result !== false) {
            $message = PMA_Message::success(__('Table %1$s has been altered successfully.'));
            $message->addParam($table);
            $response->addHTML(PMA_Util::getMessage($message, $sql_query, 'success'));
        } else {
            // An error happened while inserting/updating a table definition
            $response->isSuccess(false);
            $response->addJSON('message', PMA_Message::rawError(__('Query error') . ':<br />' . $GLOBALS['dbi']->getError()));
            $regenerate = true;
        }
    }
    include_once 'libraries/transformations.lib.php';
    // update field names in relation
    if (isset($_REQUEST['field_orig']) && is_array($_REQUEST['field_orig'])) {
        foreach ($_REQUEST['field_orig'] as $fieldindex => $fieldcontent) {
            if ($_REQUEST['field_name'][$fieldindex] != $fieldcontent) {
                PMA_REL_renameField($db, $table, $fieldcontent, $_REQUEST['field_name'][$fieldindex]);
            }
        }
    }
    // update mime types
    if (isset($_REQUEST['field_mimetype']) && is_array($_REQUEST['field_mimetype']) && $GLOBALS['cfg']['BrowseMIME']) {
        foreach ($_REQUEST['field_mimetype'] as $fieldindex => $mimetype) {
            if (isset($_REQUEST['field_name'][$fieldindex]) && strlen($_REQUEST['field_name'][$fieldindex])) {
                PMA_setMIME($db, $table, $_REQUEST['field_name'][$fieldindex], $mimetype, $_REQUEST['field_transformation'][$fieldindex], $_REQUEST['field_transformation_options'][$fieldindex]);
            }
        }
    }
    return $regenerate;
}

            __('Table %1$s has been altered successfully')
        );
        $message->addParam($table);
        $btnDrop = 'Fake';

        /**
         * If comments were sent, enable relation stuff
         */
        include_once 'libraries/transformations.lib.php';

        // update field names in relation
        if (isset($_REQUEST['field_orig']) && is_array($_REQUEST['field_orig'])) {
            foreach ($_REQUEST['field_orig'] as $fieldindex => $fieldcontent) {
                if ($_REQUEST['field_name'][$fieldindex] != $fieldcontent) {
                    PMA_REL_renameField(
                        $db, $table, $fieldcontent,
                        $_REQUEST['field_name'][$fieldindex]
                    );
                }
            }
        }

        // update mime types
        if (isset($_REQUEST['field_mimetype'])
            && is_array($_REQUEST['field_mimetype'])
            && $cfg['BrowseMIME']
        ) {
            foreach ($_REQUEST['field_mimetype'] as $fieldindex => $mimetype) {
                if (isset($_REQUEST['field_name'][$fieldindex])
                    && strlen($_REQUEST['field_name'][$fieldindex])
                ) {
                    PMA_setMIME(

//.........这里部分代码省略.........
            // find the remembered sort expression
            $sorted_col = $pmatable->getUiProp(PMA_Table::PROP_SORTED_COLUMN);
            // if the old column name is part of the remembered sort expression
            if (mb_strpos($sorted_col, PMA_Util::backquote($_REQUEST['field_orig'][$i])) !== false) {
                // delete the whole remembered sort expression
                $pmatable->removeUiProp(PMA_Table::PROP_SORTED_COLUMN);
            }
            if (isset($_REQUEST['field_adjust_privileges'][$i]) && !empty($_REQUEST['field_adjust_privileges'][$i]) && $_REQUEST['field_orig'][$i] != $_REQUEST['field_name'][$i]) {
                $adjust_privileges[$_REQUEST['field_orig'][$i]] = $_REQUEST['field_name'][$i];
            }
        }
    }
    // end for
    $response = PMA_Response::getInstance();
    if (count($changes) > 0 || isset($_REQUEST['preview_sql'])) {
        // Builds the primary keys statements and updates the table
        $key_query = '';
        /**
         * this is a little bit more complex
         *
         * @todo if someone selects A_I when altering a column we need to check:
         *  - no other column with A_I
         *  - the column has an index, if not create one
         *
         */
        // To allow replication, we first select the db to use
        // and then run queries on this db.
        if (!$GLOBALS['dbi']->selectDb($db)) {
            PMA_Util::mysqlDie($GLOBALS['dbi']->getError(), 'USE ' . PMA_Util::backquote($db) . ';', false, $err_url);
        }
        $sql_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ';
        $sql_query .= implode(', ', $changes) . $key_query;
        $sql_query .= ';';
        // If there is a request for SQL previewing.
        if (isset($_REQUEST['preview_sql'])) {
            PMA_previewSQL(count($changes) > 0 ? $sql_query : '');
        }
        $changedToBlob = array();
        // While changing the Column Collation
        // First change to BLOB
        for ($i = 0; $i < $field_cnt; $i++) {
            if (isset($_REQUEST['field_collation'][$i]) && isset($_REQUEST['field_collation_orig'][$i]) && $_REQUEST['field_collation'][$i] !== $_REQUEST['field_collation_orig'][$i]) {
                $secondary_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' CHANGE ' . PMA_Util::backquote($_REQUEST['field_orig'][$i]) . ' ' . PMA_Util::backquote($_REQUEST['field_orig'][$i]) . ' BLOB;';
                $GLOBALS['dbi']->query($secondary_query);
                $changedToBlob[$i] = true;
            } else {
                $changedToBlob[$i] = false;
            }
        }
        // Then make the requested changes
        $result = $GLOBALS['dbi']->tryQuery($sql_query);
        if ($result !== false) {
            $changed_privileges = PMA_adjustColumnPrivileges($db, $table, $adjust_privileges);
            if ($changed_privileges) {
                $message = PMA_Message::success(__('Table %1$s has been altered successfully. Privileges ' . 'have been adjusted.'));
            } else {
                $message = PMA_Message::success(__('Table %1$s has been altered successfully.'));
            }
            $message->addParam($table);
            $response->addHTML(PMA_Util::getMessage($message, $sql_query, 'success'));
        } else {
            // An error happened while inserting/updating a table definition
            // Save the Original Error
            $orig_error = $GLOBALS['dbi']->getError();
            $changes_revert = array();
            // Change back to Orignal Collation and data type
            for ($i = 0; $i < $field_cnt; $i++) {
                if ($changedToBlob[$i]) {
                    $changes_revert[] = 'CHANGE ' . PMA_Table::generateAlter(isset($_REQUEST['field_orig'][$i]) ? $_REQUEST['field_orig'][$i] : '', $_REQUEST['field_name'][$i], $_REQUEST['field_type_orig'][$i], $_REQUEST['field_length_orig'][$i], $_REQUEST['field_attribute_orig'][$i], isset($_REQUEST['field_collation_orig'][$i]) ? $_REQUEST['field_collation_orig'][$i] : '', isset($_REQUEST['field_null_orig'][$i]) ? $_REQUEST['field_null_orig'][$i] : 'NOT NULL', $_REQUEST['field_default_type_orig'][$i], $_REQUEST['field_default_value_orig'][$i], isset($_REQUEST['field_extra_orig'][$i]) ? $_REQUEST['field_extra_orig'][$i] : false, isset($_REQUEST['field_comments_orig'][$i]) ? $_REQUEST['field_comments_orig'][$i] : '', isset($_REQUEST['field_move_to_orig'][$i]) ? $_REQUEST['field_move_to_orig'][$i] : '');
                }
            }
            $revert_query = 'ALTER TABLE ' . PMA_Util::backquote($table) . ' ';
            $revert_query .= implode(', ', $changes_revert) . '';
            $revert_query .= ';';
            // Column reverted back to original
            $GLOBALS['dbi']->query($revert_query);
            $response->isSuccess(false);
            $response->addJSON('message', PMA_Message::rawError(__('Query error') . ':<br />' . $orig_error));
            $regenerate = true;
        }
    }
    include_once 'libraries/transformations.lib.php';
    // update field names in relation
    if (isset($_REQUEST['field_orig']) && is_array($_REQUEST['field_orig'])) {
        foreach ($_REQUEST['field_orig'] as $fieldindex => $fieldcontent) {
            if ($_REQUEST['field_name'][$fieldindex] != $fieldcontent) {
                PMA_REL_renameField($db, $table, $fieldcontent, $_REQUEST['field_name'][$fieldindex]);
            }
        }
    }
    // update mime types
    if (isset($_REQUEST['field_mimetype']) && is_array($_REQUEST['field_mimetype']) && $GLOBALS['cfg']['BrowseMIME']) {
        foreach ($_REQUEST['field_mimetype'] as $fieldindex => $mimetype) {
            if (isset($_REQUEST['field_name'][$fieldindex]) && mb_strlen($_REQUEST['field_name'][$fieldindex])) {
                PMA_setMIME($db, $table, $_REQUEST['field_name'][$fieldindex], $mimetype, $_REQUEST['field_transformation'][$fieldindex], $_REQUEST['field_transformation_options'][$fieldindex], $_REQUEST['field_input_transformation'][$fieldindex], $_REQUEST['field_input_transformation_options'][$fieldindex]);
            }
        }
    }
    return $regenerate;
}