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Recreate index as unique

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This commit is contained in:
moodler 2007-08-02 14:20:37 +00:00
parent 26d8649f99
commit 32ef914951
3 changed files with 21 additions and 3 deletions
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4
lib/db/install.xml
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@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="lib/db" VERSION="20070801" COMMENT="XMLDB file for core Moodle tables"
<XMLDB PATH="lib/db" VERSION="20070802" COMMENT="XMLDB file for core Moodle tables"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
>
@ -1641,7 +1641,7 @@
<KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for tag_instance"/>
</KEYS>
<INDEXES>
<INDEX NAME="tagiditem" UNIQUE="false" FIELDS="tagid, itemtype, itemid"/>
<INDEX NAME="tagiditem" UNIQUE="true" FIELDS="tagid, itemtype, itemid"/>
</INDEXES>
</TABLE>
</TABLES>

18
lib/db/upgrade.php
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@ -1578,6 +1578,24 @@ function xmldb_main_upgrade($oldversion=0) {
build_context_rel();
}
if ($result && $oldversion < 2007080201) {
/// Define index tagiditem (not unique) to be dropped form tag_instance
$table = new XMLDBTable('tag_instance');
$index = new XMLDBIndex('tagiditem');
/// Launch drop index tagiditem
drop_index($table, $index);
/// Define index tagiditem (unique) to be added to tag_instance
$index->setAttributes(XMLDB_INDEX_UNIQUE, array('tagid', 'itemtype', 'itemid'));
/// Launch add index tagiditem
$result = $result && add_index($table, $index);
}
/*
/// drop old gradebook tables
if ($result && $oldversion < 2007072209) {

2
version.php
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@ -6,7 +6,7 @@
// This is compared against the values stored in the database to determine
// whether upgrades should be performed (see lib/db/*.php)
$version = 2007080200; // YYYYMMDD = date
$version = 2007080201; // YYYYMMDD = date
// XY = increments within a single day
$release = '1.9 dev'; // Human-friendly version name