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Add a unique key to guarantee that course,sortorder is unique. Allows fix_course_sortorder and ordering operations to be much faster. (martinlanghoff)

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[email protected]/moodle--eduforge--1.3.3--patch-231
[email protected]/moodle--eduforge--1.3.3--patch-236
This commit is contained in:
mjollnir_
2004-11-17 07:42:36 +00:00
parent bd2c2596c2
commit 3ebf865805
4 changed files with 54 additions and 4 deletions
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lib/db/mysql.php
+18 -1
View File
@@ -883,9 +883,26 @@ function main_upgrade($oldversion=0) {
modify_database('','ALTER TABLE prefix_user_admins ADD INDEX userid (userid);');
modify_database('','ALTER TABLE prefix_user_coursecreators ADD INDEX userid (userid);');
}
if ($oldversion < 2004083128) { // replace index on course
fix_course_sortorder(0,0,1);
modify_database('', "ALTER TABLE `prefix_course` DROP KEY category");
modify_database('', "ALTER TABLE `prefix_course` ADD UNIQUE KEY category_sortorder(category,sortorder)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_deleted_idx (deleted)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_confirmed_idx (confirmed)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_firstname_idx (firstname)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_lastname_idx (lastname)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_city_idx (city)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_country_idx (country)");
modify_database("", "ALTER TABLE `prefix_user` ADD INDEX prefix_user_lastaccess_idx (lastaccess)");
}
if ($oldversion < 2004083128) { // one more index for email (for sorting)
modify_database('','ALTER TABLE `prefix_user` ADD INDEX prefix_user_email_idx (email);');
}
return $result;
}
?>
lib/db/mysql.sql
+10 -2
View File
@@ -61,7 +61,7 @@ CREATE TABLE `prefix_course` (
`timecreated` int(10) unsigned NOT NULL default '0',
`timemodified` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`id`),
KEY `category` (`category`),
UNIQUE KEY `category_sortorder` (`category`, `sortorder`),
KEY `idnumber` (`idnumber`),
KEY `shortname` (`shortname`)
) TYPE=MyISAM;
@@ -358,7 +358,15 @@ CREATE TABLE `prefix_user` (
UNIQUE KEY `id` (`id`),
UNIQUE KEY `username` (`username`),
KEY `user_idnumber` (`idnumber`),
KEY `user_auth` (`auth`)
KEY `user_auth` (`auth`),
KEY `user_deleted` (`deleted`),
KEY `user_confirmed` (`confirmed`),
KEY `user_firstname` (`firstname`),
KEY `user_lastname` (`lastname`),
KEY `user_city` (`city`),
KEY `user_country` (`country`),
KEY `user_lastaccess` (`lastaccess`),
KEY `user_email` (`email`)
) TYPE=MyISAM COMMENT='One record for each person';
# --------------------------------------------------------
lib/db/postgres7.php
+17
View File
@@ -619,6 +619,23 @@ function main_upgrade($oldversion=0) {
modify_database('','CREATE INDEX prefix_user_coursecreators_userid_idx ON prefix_user_coursecreators (userid);');
}
if ($oldversion < 2004083128) { // make new indexes on user table.
fix_course_sortorder(0,0,1);
modify_database('', "DROP INDEX prefix_course_category_idx;");
modify_database('', "CREATE UNIQUE INDEX prefix_course_category_sortorder_uk ON prefix_course(category,sortorder)");
modify_database("","CREATE INDEX prefix_user_deleted_idx ON prefix_user (deleted)");
modify_database("","CREATE INDEX prefix_user_confirmed_idx ON prefix_user (confirmed)");
modify_database("","CREATE INDEX prefix_user_firstname_idx ON prefix_user (firstname)");
modify_database("","CREATE INDEX prefix_user_lastname_idx ON prefix_user (lastname)");
modify_database("","CREATE INDEX prefix_user_city_idx ON prefix_user (city)");
modify_database("","CREATE INDEX prefix_user_country_idx ON prefix_user (country)");
modify_database("","CREATE INDEX prefix_user_lastaccess_idx ON prefix_user (lastaccess)");
}
if ($oldversion < 2004083128) { // one more index for email (for sorting)
modify_database('','CREATE INDEX prefix_user_email_idx ON prefix_user (email);');
}
return $result;
}
lib/db/postgres7.sql
+9 -1
View File
@@ -40,7 +40,7 @@ CREATE TABLE prefix_course (
timemodified integer NOT NULL default '0'
);
CREATE INDEX prefix_course_category_idx ON prefix_course (category);
CREATE INDEX prefix_course_category_sortorder_uk ON prefix_course (category,sortorder);
CREATE INDEX prefix_course_idnumber_idx ON prefix_course (idnumber);
CREATE INDEX prefix_course_shortname_idx ON prefix_course (shortname);
@@ -254,6 +254,14 @@ CREATE TABLE prefix_user (
CREATE INDEX prefix_user_idnumber_idx ON prefix_user (idnumber);
CREATE INDEX prefix_user_auth_idx ON prefix_user (auth);
CREATE INDEX prefix_user_deleted_idx ON prefix_user (deleted);
CREATE INDEX prefix_user_confirmed_idx ON prefix_user (confirmed);
CREATE INDEX prefix_user_firstname_idx ON prefix_user (firstname);
CREATE INDEX prefix_user_lastname_idx ON prefix_user (lastname);
CREATE INDEX prefix_user_city_idx ON prefix_user (city);
CREATE INDEX prefix_user_country_idx ON prefix_user (country);
CREATE INDEX prefix_user_lastaccess_idx ON prefix_user (lastaccess);
CREATE INDEX prefix_user_email_idx ON prefix_user (email);
CREATE TABLE prefix_user_admins (
id SERIAL PRIMARY KEY,