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55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php //$Id$
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// This file keeps track of upgrades to
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// the blocks system
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//
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// Sometimes, changes between versions involve
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// alterations to database structures and other
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// major things that may break installations.
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//
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// The upgrade function in this file will attempt
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// to perform all the necessary actions to upgrade
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// your older installtion to the current version.
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//
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// If there's something it cannot do itself, it
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// will tell you what you need to do.
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//
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// The commands in here will all be database-neutral,
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// using the functions defined in lib/ddllib.php
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function xmldb_blocks_upgrade($oldversion=0) {
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global $CFG, $THEME, $DB;
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$dbman = $DB->get_manager();
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$result = true;
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/// And upgrade begins here. For each one, you'll need one
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/// block of code similar to the next one. Please, delete
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/// this comment lines once this file start handling proper
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/// upgrade code.
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/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
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/// $result = result of "/lib/ddllib.php" function calls
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/// }
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if ($result && $oldversion < 2007081300) {
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/// Changing nullability of field configdata on table block_instance to null
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$table = new xmldb_table('block_instance');
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$field = new xmldb_field('configdata');
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$field->set_attributes(XMLDB_TYPE_TEXT, 'small', null, null, null, null, null, null, 'visible');
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/// Launch change of nullability for field configdata
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$result = $result && $dbman->change_field_notnull($table, $field);
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}
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return $result;
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}
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?>
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