PHP XMLDBTable::addKey方法代码示例

function xmldb_feedback_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $db;
    $result = true;
    if ($result && $oldversion < 2007012310) {
        //create a new table feedback_completedtmp and the field-definition
        $table = new XMLDBTable('feedback_completedtmp');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, true, null, null, null, null);
        $table->addField($field);
        $field = new XMLDBField('feedback');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('userid');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('guestid');
        $field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, false, null, null, '', null);
        $table->addField($field);
        $field = new XMLDBField('timemodified');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $key = new XMLDBKey('PRIMARY');
        $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
        $table->addKey($key);
        $key = new XMLDBKey('feedback');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('feedback'), 'feedback', 'id');
        $table->addKey($key);
        $result = $result && create_table($table);
        ////////////////////////////////////////////////////////////
        ////////////////////////////////////////////////////////////
        //create a new table feedback_valuetmp and the field-definition
        $table = new XMLDBTable('feedback_valuetmp');
        $field = new XMLDBField('id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, true, null, null, null, null);
        $table->addField($field);
        $field = new XMLDBField('course_id');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('item');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('completed');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('tmp_completed');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        $table->addField($field);
        $field = new XMLDBField('value');
        $field->setAttributes(XMLDB_TYPE_TEXT, null, null, null, false, null, null, '', null);
        $table->addField($field);
        $key = new XMLDBKey('PRIMARY');
        $key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
        $table->addKey($key);
        $key = new XMLDBKey('feedback');
        $key->setAttributes(XMLDB_KEY_FOREIGN, array('item'), 'feedback_item', 'id');
        $table->addKey($key);
        $result = $result && create_table($table);
        ////////////////////////////////////////////////////////////
    }
    if ($result && $oldversion < 2007050504) {
        /// Define field random_response to be added to feedback_completed
        $table = new XMLDBTable('feedback_completed');
        $field = new XMLDBField('random_response');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        /// Launch add field1
        $result = $result && add_field($table, $field);
        /// Define field anonymous_response to be added to feedback_completed
        $table = new XMLDBTable('feedback_completed');
        $field = new XMLDBField('anonymous_response');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '1', null);
        /// Launch add field2
        $result = $result && add_field($table, $field);
        /// Define field random_response to be added to feedback_completed
        $table = new XMLDBTable('feedback_completedtmp');
        $field = new XMLDBField('random_response');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '0', null);
        /// Launch add field1
        $result = $result && add_field($table, $field);
        /// Define field anonymous_response to be added to feedback_completed
        $table = new XMLDBTable('feedback_completedtmp');
        $field = new XMLDBField('anonymous_response');
        $field->setAttributes(XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, false, null, null, '1', null);
        /// Launch add field2
        $result = $result && add_field($table, $field);
        ////////////////////////////////////////////////////////////
    }
    if ($result && $oldversion < 2007102600) {
        // public is a reserved word on Oracle
        $table = new XMLDBTable('feedback_template');
        $field = new XMLDBField('ispublic');
        if (!field_exists($table, $field)) {
            $result = $result && table_column('feedback_template', 'public', 'ispublic', 'integer', 1);
        }
    }
    if ($result && $oldversion < 2008042400) {
        //New version in version.php
        if ($all_nonanonymous_feedbacks = get_records('feedback', 'anonymous', 2)) {
            $update_sql = 'UPDATE ' . $CFG->prefix . 'feedback_completed SET anonymous_response = 2 WHERE feedback = ';
            foreach ($all_nonanonymous_feedbacks as $fb) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
     if (!$tableparam) {
         /// No postaction here
         $this->postaction = NULL;
         /// Get list of tables
         $dbtables = $db->MetaTables('TABLES');
         $selecttables = array();
         foreach ($dbtables as $dbtable) {
             $dbtable = strtolower(str_replace($CFG->prefix, '', $dbtable));
             $i = $structure->findTableInArray($dbtable);
             if ($i === NULL) {
                 $selecttables[$dbtable] = $dbtable;
             }
         }
         /// Get list of after tables
         $aftertables = array();
         if ($tables =& $structure->getTables()) {
             foreach ($tables as $aftertable) {
                 $aftertables[$aftertable->getName()] = $aftertable->getName();
             }
         }
         if (!$selecttables) {
             $this->errormsg = 'No tables available to be retrofitted';
             return false;
         }
         /// Now build the form
         $o = '<form id="form" action="index.php" method="post">';
         $o .= '<div>';
         $o .= '    <input type="hidden" name ="dir" value="' . str_replace($CFG->dirroot, '', $dirpath) . '" />';
         $o .= '    <input type="hidden" name ="action" value="new_table_from_mysql" />';
         $o .= '    <input type="hidden" name ="postaction" value="edit_table" />';
         $o .= '    <table id="formelements" class="boxaligncenter" cellpadding="5">';
         $o .= '      <tr><td><label for="table" accesskey="t">' . $this->str['createtable'] . ' </label>' . choose_from_menu($selecttables, 'table', '', 'choose', '', 0, true) . '<label for="after" accesskey="a">' . $this->str['aftertable'] . ' </label>' . choose_from_menu($aftertables, 'after', '', 'choose', '', 0, true) . '</td></tr>';
         $o .= '      <tr><td colspan="2" align="center"><input type="submit" value="' . $this->str['create'] . '" /></td></tr>';
         $o .= '      <tr><td colspan="2" align="center"><a href="index.php?action=edit_xml_file&amp;dir=' . urlencode(str_replace($CFG->dirroot, '', $dirpath)) . '">[' . $this->str['back'] . ']</a></td></tr>';
         $o .= '    </table>';
         $o .= '</div></form>';
         $this->output = $o;
         /// If table, retrofit information and, if everything works,
         /// go to the table edit action
     } else {
         /// Get some params (table is mandatory here)
         $tableparam = required_param('table', PARAM_CLEAN);
         $afterparam = required_param('after', PARAM_CLEAN);
         /// Create one new XMLDBTable
         $table = new XMLDBTable(strtolower(trim($tableparam)));
         $table->setComment($table->getName() . ' table retrofitted from MySQL');
         /// Get fields info from ADODb
         if (!($dbfields = $db->MetaColumns($CFG->prefix . $tableparam))) {
             ///Try it without prefix if doesn't exist
             $dbfields = $db->MetaColumns($tableparam);
         }
         if ($dbfields) {
             foreach ($dbfields as $dbfield) {
                 /// Create new XMLDB field
                 $field = new XMLDBField(strtolower($dbfield->name));
                 /// Set field with info retrofitted
                 $field->setFromADOField($dbfield);
                 /// Add field to the table
                 $table->addField($field);
             }
         }
         /// Get PK, UK and indexes info from ADODb
         $dbindexes = $db->MetaIndexes($CFG->prefix . $tableparam, true);
         if ($dbindexes) {
             $lastkey = NULL;
             //To temp store the last key processed
             foreach ($dbindexes as $indexname => $dbindex) {
                 /// Add the indexname to the array
                 $dbindex['name'] = $indexname;
                 /// We are handling one XMLDBKey (primaries + uniques)
                 if ($dbindex['unique']) {
                     $key = new XMLDBKey(strtolower($dbindex['name']));
                     /// Set key with info retrofitted
                     $key->setFromADOKey($dbindex);
                     /// Set default comment to PKs
                     if ($key->getType() == XMLDB_KEY_PRIMARY) {
                     }
                     /// Add key to the table
                     $table->addKey($key);
                     /// We are handling one XMLDBIndex (non-uniques)
                 } else {
                     $index = new XMLDBIndex(strtolower($dbindex['name']));
                     /// Set index with info retrofitted
                     $index->setFromADOIndex($dbindex);
                     /// Add index to the table
                     $table->addIndex($index);
                 }
             }
         }
         /// Finally, add the whole retroffited table to the structure
         /// in the place specified
         $structure->addTable($table, $afterparam);
     }
     /// Launch postaction if exists (leave this here!)
     if ($this->getPostAction() && $result) {
         return $this->launch($this->getPostAction());
     }
     /// Return ok if arrived here
     return $result;
 }

 /**
  * Invoke method, every class will have its own
  * returns true/false on completion, setting both
  * errormsg and output as necessary
  */
 function invoke()
 {
     parent::invoke();
     $result = true;
     /// Set own core attributes
     $this->does_generate = ACTION_NONE;
     //$this->does_generate = ACTION_GENERATE_HTML;
     /// These are always here
     global $CFG, $XMLDB;
     /// Do the job, setting result as needed
     /// Get the dir containing the file
     $dirpath = required_param('dir', PARAM_PATH);
     $dirpath = $CFG->dirroot . stripslashes_safe($dirpath);
     /// Get the correct dirs
     if (!empty($XMLDB->dbdirs)) {
         $dbdir =& $XMLDB->dbdirs[$dirpath];
     } else {
         return false;
     }
     if (!empty($XMLDB->editeddirs)) {
         $editeddir =& $XMLDB->editeddirs[$dirpath];
         $structure =& $editeddir->xml_file->getStructure();
     }
     /// ADD YOUR CODE HERE
     /// If the changeme table exists, just get it and continue
     $changeme_exists = false;
     if ($tables =& $structure->getTables()) {
         if ($table =& $structure->getTable('changeme')) {
             $changeme_exists = true;
         }
     }
     if (!$changeme_exists) {
         /// Lets create the table
         $field = new XMLDBField('id');
         $field->setType(XMLDB_TYPE_INTEGER);
         $field->setLength(10);
         $field->setNotNull(true);
         $field->setUnsigned(true);
         $field->setSequence(true);
         $field->setLoaded(true);
         $field->setChanged(true);
         $key = new XMLDBKey('primary');
         $key->setType(XMLDB_KEY_PRIMARY);
         $key->setFields(array('id'));
         $key->setLoaded(true);
         $key->setChanged(true);
         $table = new XMLDBTable('changeme');
         $table->setComment('Default comment for the table, please edit me');
         $table->addField($field);
         $table->addKey($key);
         /// Finally, add the whole retroffited table to the structure
         /// in the place specified
         $structure->addTable($table);
     }
     /// Launch postaction if exists (leave this here!)
     if ($this->getPostAction() && $result) {
         return $this->launch($this->getPostAction());
     }
     /// Return ok if arrived here
     return $result;
 }