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-rw-r--r--system/database/drivers/cubrid/cubrid_driver.php26
1 files changed, 22 insertions, 4 deletions
diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php
index e243aae9f..7f8f297bb 100644
--- a/system/database/drivers/cubrid/cubrid_driver.php
+++ b/system/database/drivers/cubrid/cubrid_driver.php
@@ -45,10 +45,6 @@ class CI_DB_cubrid_driver extends CI_DB {
// The character used for escaping - no need in CUBRID
protected $_escape_char = '`';
- // clause and character used for LIKE escape sequences - not used in CUBRID
- protected $_like_escape_str = '';
- protected $_like_escape_chr = '';
-
protected $_random_keyword = ' RAND()'; // database specific random keyword
// CUBRID-specific properties
@@ -72,6 +68,8 @@ class CI_DB_cubrid_driver extends CI_DB {
}
}
+ // --------------------------------------------------------------------
+
/**
* Non-persistent database connection
*
@@ -431,6 +429,26 @@ class CI_DB_cubrid_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * FROM tables
+ *
+ * Groups tables in FROM clauses if needed, so there is no confusion
+ * about operator precedence.
+ *
+ * @return string
+ */
+ protected function _from_tables()
+ {
+ if ( ! empty($this->qb_join) && count($this->qb_from) > 1)
+ {
+ return '('.implode(', ', $this->qb_from).')';
+ }
+
+ return implode(', ', $this->qb_from);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Close DB Connection
*
* @return void