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Adding FK + Unique Indexes to the groups module. MDL-8240

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This commit is contained in:
stronk7 2007-01-22 17:50:42 +00:00
parent e267037b86
commit 85bb13e776
3 changed files with 122 additions and 22 deletions
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58
group/db/install.xml
View File

@ -4,7 +4,7 @@
xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
>
<TABLES>
<TABLE NAME="groups" COMMENT="Each record represents a group." NEXT="groups_members">
<TABLE NAME="groups" COMMENT="Each record represents a group." NEXT="groups_groupings">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="name"/>
<FIELD NAME="name" TYPE="char" LENGTH="254" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Short human readable unique name for the group." PREVIOUS="id" NEXT="description"/>
@ -21,22 +21,7 @@
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups"/>
</KEYS>
</TABLE>
<TABLE NAME="groups_members" COMMENT="Link a user to a group." PREVIOUS="groups" NEXT="groups_groupings">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="groupid"/>
<FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="timeadded"/>
<FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_members"/>
</KEYS>
<INDEXES>
<INDEX NAME="groupid" UNIQUE="false" FIELDS="groupid" NEXT="userid"/>
<INDEX NAME="userid" UNIQUE="false" FIELDS="userid" PREVIOUS="groupid"/>
</INDEXES>
</TABLE>
<TABLE NAME="groups_groupings" COMMENT="A grouping is a collection of groups." PREVIOUS="groups_members" NEXT="groups_courses_groups">
<TABLE NAME="groups_groupings" COMMENT="A grouping is a collection of groups." PREVIOUS="groups" NEXT="groups_members">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="name"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" COMMENT="Short human readable unique name for group." PREVIOUS="id" NEXT="description"/>
@ -54,15 +39,36 @@
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_groupings"/>
</KEYS>
</TABLE>
<TABLE NAME="groups_courses_groups" COMMENT="Link a group to a course (or the site)." PREVIOUS="groups_groupings" NEXT="groups_courses_groupings">
<TABLE NAME="groups_members" COMMENT="Link a user to a group." PREVIOUS="groups_groupings" NEXT="groups_courses_groups">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="groupid"/>
<FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="userid"/>
<FIELD NAME="userid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid" NEXT="timeadded"/>
<FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="userid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_members" NEXT="groupid"/>
<KEY NAME="groupid" TYPE="foreign" FIELDS="groupid" REFTABLE="groups" REFFIELDS="id" PREVIOUS="primary" NEXT="userid"/>
<KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id" PREVIOUS="groupid"/>
</KEYS>
<INDEXES>
<INDEX NAME="groupid-courseid" UNIQUE="true" FIELDS="groupid, userid"/>
</INDEXES>
</TABLE>
<TABLE NAME="groups_courses_groups" COMMENT="Link a group to a course (or the site)." PREVIOUS="groups_members" NEXT="groups_courses_groupings">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="false" SEQUENCE="true" ENUM="false" COMMENT="id of the table, please edit me" NEXT="courseid"/>
<FIELD NAME="courseid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="groupid"/>
<FIELD NAME="groupid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="Default comment for the field, please edit me" PREVIOUS="courseid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_courses_groups"/>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_courses_groups" NEXT="courseid"/>
<KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id" PREVIOUS="primary" NEXT="groupid"/>
<KEY NAME="groupid" TYPE="foreign" FIELDS="groupid" REFTABLE="groups" REFFIELDS="id" PREVIOUS="courseid"/>
</KEYS>
<INDEXES>
<INDEX NAME="courseid-groupid" UNIQUE="true" FIELDS="courseid, groupid"/>
</INDEXES>
</TABLE>
<TABLE NAME="groups_courses_groupings" COMMENT="Link a grouping to a course (or the site)." PREVIOUS="groups_courses_groups" NEXT="groups_groupings_groups">
<FIELDS>
@ -71,8 +77,13 @@
<FIELD NAME="groupingid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="courseid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_courses_groupings"/>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_courses_groupings" NEXT="courseid"/>
<KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id" PREVIOUS="primary" NEXT="groupingid"/>
<KEY NAME="groupingid" TYPE="foreign" FIELDS="groupingid" REFTABLE="groups_groupings" REFFIELDS="id" PREVIOUS="courseid"/>
</KEYS>
<INDEXES>
<INDEX NAME="courseid-groupingid" UNIQUE="true" FIELDS="courseid, groupingid"/>
</INDEXES>
</TABLE>
<TABLE NAME="groups_groupings_groups" COMMENT="Link a group to a grouping." PREVIOUS="groups_courses_groupings">
<FIELDS>
@ -82,8 +93,13 @@
<FIELD NAME="timeadded" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="groupid"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_groupings_groups"/>
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for groups_groupings_groups" NEXT="groupingid"/>
<KEY NAME="groupingid" TYPE="foreign" FIELDS="groupingid" REFTABLE="groups_groupings" REFFIELDS="id" PREVIOUS="primary" NEXT="groupid"/>
<KEY NAME="groupid" TYPE="foreign" FIELDS="groupid" REFTABLE="groups" REFFIELDS="id" PREVIOUS="groupingid"/>
</KEYS>
<INDEXES>
<INDEX NAME="groupingid-groupid" UNIQUE="true" FIELDS="groupingid, groupid"/>
</INDEXES>
</TABLE>
</TABLES>
<STATEMENTS>

84
group/db/upgrade.php
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@ -241,6 +241,90 @@ function xmldb_group_upgrade($oldversion=0) {
$result = $result && change_field_precision($table, $field);
}
/// Adding all the missing FK + Unique indexes (XMLDB will create the underlying indexes)
if ($result && $oldversion < 2007012200) {
/// Define index groupid-courseid (unique) to be added to groups_members
$table = new XMLDBTable('groups_members');
$index = new XMLDBIndex('groupid-courseid');
$index->setAttributes(XMLDB_INDEX_UNIQUE, array('groupid', 'userid'));
/// Launch add index groupid-courseid
$result = $result && add_index($table, $index);
/// Define key courseid (foreign) to be added to groups_courses_groups
$table = new XMLDBTable('groups_courses_groups');
$key = new XMLDBKey('courseid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
/// Launch add key courseid
$result = $result && add_key($table, $key);
/// Define key groupid (foreign) to be added to groups_courses_groups
$table = new XMLDBTable('groups_courses_groups');
$key = new XMLDBKey('groupid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('groupid'), 'groups', array('id'));
/// Launch add key groupid
$result = $result && add_key($table, $key);
/// Define index courseid-groupid (unique) to be added to groups_courses_groups
$table = new XMLDBTable('groups_courses_groups');
$index = new XMLDBIndex('courseid-groupid');
$index->setAttributes(XMLDB_INDEX_UNIQUE, array('courseid', 'groupid'));
/// Launch add index courseid-groupid
$result = $result && add_index($table, $index);
/// Define key courseid (foreign) to be added to groups_courses_groupings
$table = new XMLDBTable('groups_courses_groupings');
$key = new XMLDBKey('courseid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('courseid'), 'course', array('id'));
/// Launch add key courseid
$result = $result && add_key($table, $key);
/// Define key groupingid (foreign) to be added to groups_courses_groupings
$table = new XMLDBTable('groups_courses_groupings');
$key = new XMLDBKey('groupingid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('groupingid'), 'groups_groupings', array('id'));
/// Launch add key groupingid
$result = $result && add_key($table, $key);
/// Define index courseid-groupingid (unique) to be added to groups_courses_groupings
$table = new XMLDBTable('groups_courses_groupings');
$index = new XMLDBIndex('courseid-groupingid');
$index->setAttributes(XMLDB_INDEX_UNIQUE, array('courseid', 'groupingid'));
/// Launch add index courseid-groupingid
$result = $result && add_index($table, $index);
/// Define key groupingid (foreign) to be added to groups_groupings_groups
$table = new XMLDBTable('groups_groupings_groups');
$key = new XMLDBKey('groupingid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('groupingid'), 'groups_groupings', array('id'));
/// Launch add key groupingid
$result = $result && add_key($table, $key);
/// Define key groupid (foreign) to be added to groups_groupings_groups
$table = new XMLDBTable('groups_groupings_groups');
$key = new XMLDBKey('groupid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('groupid'), 'groups', array('id'));
/// Launch add key groupid
$result = $result && add_key($table, $key);
/// Define index groupingid-groupid (unique) to be added to groups_groupings_groups
$table = new XMLDBTable('groups_groupings_groups');
$index = new XMLDBIndex('groupingid-groupid');
$index->setAttributes(XMLDB_INDEX_UNIQUE, array('groupingid', 'groupid'));
/// Launch add index groupingid-groupid
$result = $result && add_index($table, $index);
}
return $result;
}

2
group/version.php
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@ -5,7 +5,7 @@
// This fragment is called by /admin/index.php
////////////////////////////////////////////////////////////////////////////////
$group_version = 2007012100;
$group_version = 2007012200;
//$module->requires = 2006120400; // Requires this Moodle version
?>