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-rw-r--r--phpBB/includes/db/mysql.php20
1 files changed, 14 insertions, 6 deletions
diff --git a/phpBB/includes/db/mysql.php b/phpBB/includes/db/mysql.php
index eb38e3e913..5b4ff86579 100644
--- a/phpBB/includes/db/mysql.php
+++ b/phpBB/includes/db/mysql.php
@@ -120,6 +120,14 @@ class dbal_mysql extends dbal
}
/**
+ * {@inheritDoc}
+ */
+ public function sql_concatenate($expr1, $expr2)
+ {
+ return 'CONCAT(' . $expr1 . ', ' . $expr2 . ')';
+ }
+
+ /**
* SQL Transaction
* @access private
*/
@@ -164,7 +172,7 @@ class dbal_mysql extends dbal
$this->sql_report('start', $query);
}
- $this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+ $this->query_result = ($cache_ttl) ? $cache->sql_load($query) : false;
$this->sql_add_num_queries($this->query_result);
if ($this->query_result === false)
@@ -179,10 +187,10 @@ class dbal_mysql extends dbal
$this->sql_report('stop', $query);
}
- if ($cache_ttl && method_exists($cache, 'sql_save'))
+ if ($cache_ttl)
{
$this->open_queries[(int) $this->query_result] = $this->query_result;
- $cache->sql_save($query, $this->query_result, $cache_ttl);
+ $this->query_result = $cache->sql_save($query, $this->query_result, $cache_ttl);
}
else if (strpos($query, 'SELECT') === 0 && $this->query_result)
{
@@ -241,7 +249,7 @@ class dbal_mysql extends dbal
$query_id = $this->query_result;
}
- if (isset($cache->sql_rowset[$query_id]))
+ if ($cache->sql_exists($query_id))
{
return $cache->sql_fetchrow($query_id);
}
@@ -262,7 +270,7 @@ class dbal_mysql extends dbal
$query_id = $this->query_result;
}
- if (isset($cache->sql_rowset[$query_id]))
+ if ($cache->sql_exists($query_id))
{
return $cache->sql_rowseek($rownum, $query_id);
}
@@ -290,7 +298,7 @@ class dbal_mysql extends dbal
$query_id = $this->query_result;
}
- if (isset($cache->sql_rowset[$query_id]))
+ if ($cache->sql_exists($query_id))
{
return $cache->sql_freeresult($query_id);
}