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MDL-7926 - set_field_select function. Merged from MOODLE_17_STABLE.

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tjhunt
2006-12-15 18:23:31 +00:00
parent 828df720a2
commit 0dae5d33a7
1 changed files with 35 additions and 3 deletions
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lib/dmllib.php
+35 -3
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@@ -1027,9 +1027,7 @@ function get_fieldset_sql($sql) {
*/
function set_field($table, $newfield, $newvalue, $field1, $value1, $field2='', $value2='', $field3='', $value3='') {
global $db, $CFG, $record_cache;
if (defined('MDL_PERFDB')) { global $PERF ; $PERF->dbqueries++; };
global $CFG, $record_cache;
// Clear record_cache based on the parameters passed (individual record or whole table)
if (!empty($CFG->enablerecordcache)) {
@@ -1054,6 +1052,40 @@ function set_field($table, $newfield, $newvalue, $field1, $value1, $field2='', $
$select = where_clause($field1, $value1, $field2, $value2, $field3, $value3);
return set_field_select($table, $newfield, $newvalue, $select, true);
}
/**
* Set a single field in every table row where the select statement evaluates to true.
*
* @uses $CFG
* @uses $db
* @param string $table The database table to be checked against.
* @param string $newfield the field to set.
* @param string $newvalue the value to set the field to.
* @param string $select a fragment of SQL to be used in a where clause in the SQL call.
* @param boolean $localcall Leave this set to false. (Should only be set to true by set_field.)
* @return mixed An ADODB RecordSet object with the results from the SQL call or false.
*/
function set_field_select($table, $newfield, $newvalue, $select, $localcall = false) {
global $db, $CFG, $record_cache;
if (defined('MDL_PERFDB')) { global $PERF ; $PERF->dbqueries++; };
if (!$localcall) {
if ($select) {
$select = 'WHERE ' . $select;
}
// Clear record_cache based on the parameters passed (individual record or whole table)
if (!empty($CFG->enablerecordcache)) {
if (isset($record_cache[$table])) {
unset($record_cache[$table]);
}
}
}
$dataobject = new StdClass;
$dataobject->{$newfield} = $newvalue;
// Oracle DIRTY HACK -