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rcache: cleanup, upgrade path, config options (MDL-8163)

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record cache and caching schemes get a little cleanup, faster
if()s and a nice set of config options. Users who've been using
the internal cache get a nice upgrade too.
This commit is contained in:
martinlanghoff 2007-01-14 23:02:13 +00:00
parent a5855a89bf
commit bb931a61c6
5 changed files with 77 additions and 17 deletions
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22
lib/dmllib.php
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@ -386,7 +386,7 @@ function get_record($table, $field1, $value1, $field2='', $value2='', $field3=''
// Check to see whether this record is eligible for caching (fields=*, only condition is id)
$docache = false;
if (!empty($CFG->rcache) && $field1=='id' && !$field2 && !$field3 && $fields=='*') {
if ($CFG->rcache === true && $field1=='id' && !$field2 && !$field3 && $fields=='*') {
$docache = true;
// If it's in the cache, return it
$cached = rcache_getforfill($table, $value1);
@ -1044,7 +1044,7 @@ function set_field($table, $newfield, $newvalue, $field1, $value1, $field2='', $
// Clear record_cache based on the parameters passed
// (individual record or whole table)
if (!empty($CFG->rcache)) {
if ($CFG->rcache === true) {
if ($field1 == 'id') {
rcache_unset($table, $value1);
} else if ($field2 == 'id') {
@ -1086,7 +1086,7 @@ function set_field_select($table, $newfield, $newvalue, $select, $localcall = fa
// Clear record_cache based on the parameters passed
// (individual record or whole table)
if (!empty($CFG->rcache)) {
if ($CFG->rcache === true) {
rcache_unset_table($table);
}
}
@ -1145,7 +1145,7 @@ function delete_records($table, $field1='', $value1='', $field2='', $value2='',
// Clear record_cache based on the parameters passed
// (individual record or whole table)
if (!empty($CFG->rcache)) {
if ($CFG->rcache === true) {
if ($field1 == 'id') {
rcache_unset($table, $value1);
} else if ($field2 == 'id') {
@ -1179,7 +1179,7 @@ function delete_records_select($table, $select='') {
global $CFG, $db;
// Clear record_cache (whole table)
if (!empty($CFG->rcache)) {
if ($CFG->rcache === true) {
rcache_unset_table($table);
}
@ -1393,7 +1393,7 @@ function update_record($table, $dataobject) {
}
// Remove this record from record cache since it will change
if (!empty($CFG->rcache)) {
if ($CFG->rcache === true) {
rcache_unset($table, $dataobject->id);
}
@ -2080,7 +2080,7 @@ function db_update_lobs ($table, $sqlcondition, &$clobs, &$blobs) {
function rcache_set($table, $id, $rec) {
global $CFG, $MCACHE, $rcache;
if ($CFG->rcache === 'internal') {
if ($CFG->cachetype === 'internal') {
$rcache->data[$table][$id] = $rec;
} else {
$key = $table . '|' . $id;
@ -2112,7 +2112,7 @@ function rcache_set($table, $id, $rec) {
function rcache_unset($table, $id) {
global $CFG, $MCACHE, $rcache;
if ($CFG->rcache === 'internal') {
if ($CFG->cachetype === 'internal') {
if (isset($rcache->data[$table][$id])) {
unset($rcache->data[$table][$id]);
}
@ -2142,7 +2142,7 @@ function rcache_unset($table, $id) {
function rcache_get($table, $id) {
global $CFG, $MCACHE, $rcache;
if ($CFG->rcache === 'internal') {
if ($CFG->cachetype === 'internal') {
if (isset($rcache->data[$table][$id])) {
$rcache->hits++;
return $rcache->data[$table][$id];
@ -2197,7 +2197,7 @@ function rcache_get($table, $id) {
function rcache_getforfill($table, $id) {
global $CFG, $MCACHE, $rcache;
if ($CFG->rcache === 'internal') {
if ($CFG->cachetype === 'internal') {
return rcache_get($table, $id);
}
@ -2254,7 +2254,7 @@ function rcache_releaseforfill($table, $id) {
function rcache_unset_table ($table) {
global $CFG, $MCACHE, $rcache;
if ($CFG->rcache === 'internal') {
if ($CFG->cachetype === 'internal') {
if (isset($rcache->data[$table])) {
unset($rcache->data[$table]);
}