From 798fc61c021f721f5b5b19fb34973ab6e3d006a0 Mon Sep 17 00:00:00 2001
From: Nicolas <nicolas@riousset.com>
Date: Wed, 14 Feb 2018 09:42:07 +0100
Subject: [PATCH] #54 : AESEncrypt and Decrypt functions are now declared
 immutable

#54 : AESEncrypt and Decrypt functions are now declared immutable
---
 encryption_package/src/AESDecrypt.cpp | 7 +++++++
 encryption_package/src/AESEncrypt.cpp | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/encryption_package/src/AESDecrypt.cpp b/encryption_package/src/AESDecrypt.cpp
index 898f022..9b4e91f 100644
--- a/encryption_package/src/AESDecrypt.cpp
+++ b/encryption_package/src/AESDecrypt.cpp
@@ -117,6 +117,13 @@ class AESDecryptFactory : public ScalarFunctionFactory
         const VerticaType &t = argTypes.getColumnType(0);
         returnType.addVarchar(t.getStringLength());
     }
+	
+public:
+    AESDecryptFactory() 
+    {
+        vol = IMMUTABLE;
+    }
+    
 };
 
 RegisterFactory(AESDecryptFactory);
diff --git a/encryption_package/src/AESEncrypt.cpp b/encryption_package/src/AESEncrypt.cpp
index 69ccb72..93cf018 100644
--- a/encryption_package/src/AESEncrypt.cpp
+++ b/encryption_package/src/AESEncrypt.cpp
@@ -121,6 +121,13 @@ class AESEncryptFactory : public ScalarFunctionFactory
 	// I believe it's faster than computing the length and round. 
         returnType.addVarchar(t.getStringLength()+AES_BLOCK_SIZE);
     }
+	
+public:
+    AESEncryptFactory() 
+    {
+        vol = IMMUTABLE;
+    }
+
 };
 
 RegisterFactory(AESEncryptFactory);