From 2dc643ed3986178549378b84504882fe81dd617a Mon Sep 17 00:00:00 2001
From: Chris Cromer <chris@cromer.cl>
Date: Tue, 1 Nov 2022 01:17:45 -0300
Subject: [PATCH] handle unknown knowledge base errors

---
 src/knowledge_base.cpp | 15 +++++++++------
 src/knowledge_base.h   |  5 +++++
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/knowledge_base.cpp b/src/knowledge_base.cpp
index 24f3080..3c53cc6 100644
--- a/src/knowledge_base.cpp
+++ b/src/knowledge_base.cpp
@@ -51,12 +51,15 @@ void obelisk::KnowledgeBase::createTable(std::function<const char*()> function)
     if (result != SQLITE_OK)
     {
         logSqliteError(result);
-        throw obelisk::KnowledgeBaseException("something happened");
-    }
-    if (tmp)
-    {
-        std::string errmsg(tmp);
-        throw obelisk::KnowledgeBaseException(errmsg);
+        if (tmp)
+        {
+            std::string errmsg(tmp);
+            throw obelisk::KnowledgeBaseException(errmsg);
+        }
+        else
+        {
+            throw obelisk::KnowledgeBaseException();
+        }
     }
 }
 
diff --git a/src/knowledge_base.h b/src/knowledge_base.h
index 5a0813e..20ce65f 100644
--- a/src/knowledge_base.h
+++ b/src/knowledge_base.h
@@ -43,6 +43,11 @@ namespace obelisk
             const std::string errorMessage_;
 
         public:
+            KnowledgeBaseException() :
+                errorMessage_("an unknown error occured")
+            {
+            }
+
             KnowledgeBaseException(const std::string& errorMessage) :
                 errorMessage_(errorMessage)
             {