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Save db cache only if it has changed

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slawkens
2025-12-18 11:53:06 +01:00
parent c5d3d3a25f
commit 11cb1cf97e
1 changed files with 8 additions and 1 deletions
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9
system/libs/pot/OTS_DB_MySQL.php
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@@ -26,6 +26,7 @@ use MyAAC\Cache\Cache;
*/ */
class OTS_DB_MySQL extends OTS_Base_DB class OTS_DB_MySQL extends OTS_Base_DB
{ {
private bool $hasCacheChanged = false;
private array $has_table_cache = []; private array $has_table_cache = [];
private array $has_column_cache = []; private array $has_column_cache = [];
private array $get_column_info_cache = []; private array $get_column_info_cache = [];
@@ -164,7 +165,7 @@ class OTS_DB_MySQL extends OTS_Base_DB
$cache->delete('database_columns_info'); $cache->delete('database_columns_info');
$cache->delete('database_checksum'); $cache->delete('database_checksum');
} }
else { else if ($this->hasCacheChanged) {
$cache->set('database_tables', serialize($this->has_table_cache), 3600); $cache->set('database_tables', serialize($this->has_table_cache), 3600);
$cache->set('database_columns', serialize($this->has_column_cache), 3600); $cache->set('database_columns', serialize($this->has_column_cache), 3600);
$cache->set('database_columns_info', serialize($this->get_column_info_cache), 3600); $cache->set('database_columns_info', serialize($this->get_column_info_cache), 3600);
@@ -228,6 +229,8 @@ class OTS_DB_MySQL extends OTS_Base_DB
private function hasTableInternal($name): bool private function hasTableInternal($name): bool
{ {
$this->hasCacheChanged = true;
return ($this->has_table_cache[$name] = $this->query('SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA` = ' . $this->quote(config('database_name')) . ' AND `TABLE_NAME` = ' . $this->quote($name) . ' LIMIT 1;')->rowCount() > 0); return ($this->has_table_cache[$name] = $this->query('SELECT `TABLE_NAME` FROM `information_schema`.`tables` WHERE `TABLE_SCHEMA` = ' . $this->quote(config('database_name')) . ' AND `TABLE_NAME` = ' . $this->quote($name) . ' LIMIT 1;')->rowCount() > 0);
} }
@@ -241,6 +244,8 @@ class OTS_DB_MySQL extends OTS_Base_DB
} }
private function hasColumnInternal($table, $column): bool { private function hasColumnInternal($table, $column): bool {
$this->hasCacheChanged = true;
return $this->hasTable($table) && ($this->has_column_cache[$table . '.' . $column] = count($this->query('SHOW COLUMNS FROM `' . $table . "` LIKE " . $this->quote($column))->fetchAll()) > 0); return $this->hasTable($table) && ($this->has_column_cache[$table . '.' . $column] = count($this->query('SHOW COLUMNS FROM `' . $table . "` LIKE " . $this->quote($column))->fetchAll()) > 0);
} }
@@ -272,6 +277,8 @@ class OTS_DB_MySQL extends OTS_Base_DB
return false; return false;
} }
$this->hasCacheChanged = true;
$formatResult = function ($result) { $formatResult = function ($result) {
return [ return [
'field' => $result['Field'], 'field' => $result['Field'],