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version bump: introducing cache_flags table to store volatile time-bound flags

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We are intending to use them for dirty context paths, lightweight
session entries for auth/ldap, and other similar uses...

MDL-11347
This commit is contained in:
martinlanghoff
2007-10-02 08:38:19 +00:00
parent ba2984bf2b
commit e4a5c864b5
3 changed files with 44 additions and 3 deletions
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lib/db/install.xml
+18 -2
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@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8" ?>
<XMLDB PATH="lib/db" VERSION="20070928" COMMENT="XMLDB file for core Moodle tables"
<XMLDB PATH="lib/db" VERSION="20071001" COMMENT="XMLDB file for core Moodle tables"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="../../lib/xmldb/xmldb.xsd"
>
@@ -1688,7 +1688,7 @@
<INDEX NAME="script-value" UNIQUE="false" FIELDS="script, value" COMMENT="index used for key validation"/>
</INDEXES>
</TABLE>
<TABLE NAME="grade_letters" COMMENT="Repository for grade letters, for courses and other moodle entities that use grades." PREVIOUS="user_private_key">
<TABLE NAME="grade_letters" COMMENT="Repository for grade letters, for courses and other moodle entities that use grades." PREVIOUS="user_private_key" NEXT="cache_flags">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="contextid"/>
<FIELD NAME="contextid" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" COMMENT="What contextid does this letter apply to (for now these will always be courses, but later...)" PREVIOUS="id" NEXT="lowerboundary"/>
@@ -1702,6 +1702,22 @@
<INDEX NAME="contextid-lowerboundary" UNIQUE="false" FIELDS="contextid, lowerboundary" COMMENT="index used when fetching context letters"/>
</INDEXES>
</TABLE>
<TABLE NAME="cache_flags" COMMENT="Cache of time-sensitive flags" PREVIOUS="grade_letters">
<FIELDS>
<FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="true" ENUM="false" NEXT="flagtype"/>
<FIELD NAME="flagtype" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="id" NEXT="name"/>
<FIELD NAME="name" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="flagtype" NEXT="timemodified"/>
<FIELD NAME="timemodified" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" DEFAULT="0" SEQUENCE="false" ENUM="false" PREVIOUS="name" NEXT="value"/>
<FIELD NAME="value" TYPE="text" LENGTH="medium" NOTNULL="true" SEQUENCE="false" ENUM="false" PREVIOUS="timemodified" NEXT="expiry"/>
<FIELD NAME="expiry" TYPE="int" LENGTH="10" NOTNULL="true" UNSIGNED="true" SEQUENCE="false" ENUM="false" PREVIOUS="value"/>
</FIELDS>
<KEYS>
<KEY NAME="primary" TYPE="primary" FIELDS="id"/>
</KEYS>
<INDEXES>
<INDEX NAME="typename" UNIQUE="true" FIELDS="flagtype, name"/>
</INDEXES>
</TABLE>
</TABLES>
<STATEMENTS>
<STATEMENT NAME="insert mnet_application" TYPE="insert" TABLE="mnet_application" COMMENT="Initial insert of records on table mnet_application" NEXT="insert log_display">
lib/db/upgrade.php
+25
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@@ -2256,6 +2256,31 @@ function xmldb_main_upgrade($oldversion=0) {
}
}
if ($result && $oldversion < 2007100100) {
/// Define table cache_flags to be created
$table = new XMLDBTable('cache_flags');
/// Adding fields to table cache_flags
$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->addFieldInfo('flagtype', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
$table->addFieldInfo('value', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('expiry', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
/// Adding keys to table cache_flags
$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
/// Adding indexes to table cache_flags
$table->addIndexInfo('typename', XMLDB_INDEX_UNIQUE, array('flagtype', 'name'));
/// Launch create table for cache_flags
$result = $result && create_table($table);
}
/*
/// drop old gradebook tables
if ($result && $oldversion < xxxxxxxx) {
version.php
+1 -1
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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 = 2007092807; // YYYYMMDD = date
$version = 2007100100; // YYYYMMDD = date
// XY = increments within a single day
$release = '1.9 Beta +'; // Human-friendly version name