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authorAndrey Andreev <narf@devilix.net>2013-07-17 19:28:48 +0200
committerAndrey Andreev <narf@devilix.net>2013-07-17 19:28:48 +0200
commitd5ab75e7d6636ce324416c4b3856bc552c9028d1 (patch)
tree961e221ae8cf19d12211b77a94c3f9ecadc62a99 /system/database/drivers/postgre/postgre_driver.php
parentc5a7c5fd34e5446251d466c46425e129886da52b (diff)
Fix #2490 (an improved version of PR #2534)
Diffstat (limited to 'system/database/drivers/postgre/postgre_driver.php')
-rw-r--r--system/database/drivers/postgre/postgre_driver.php13
1 files changed, 13 insertions, 0 deletions
diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php
index d35e351fc..ac7345ad6 100644
--- a/system/database/drivers/postgre/postgre_driver.php
+++ b/system/database/drivers/postgre/postgre_driver.php
@@ -311,6 +311,19 @@ class CI_DB_postgre_driver extends CI_DB {
// --------------------------------------------------------------------
/**
+ * Determines if a query is a "write" type.
+ *
+ * @param string An SQL query string
+ * @return bool
+ */
+ public function is_write_type($sql)
+ {
+ return (bool) preg_match('/^\s*"?(SET|INSERT(?![^\)]+\)\s+RETURNING)|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|REINDEX)\s+/i', $sql);
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Platform-dependant string escape
*
* @param string