From 641fd2bfe266e83dca2e237df6d5dd911c0bb0ae Mon Sep 17 00:00:00 2001
From: Andrew Hutchings <andrew@linuxjedi.co.uk>
Date: Tue, 10 Jan 2017 07:33:00 -0600
Subject: [PATCH] MCOL-494 Don't try to process BLOB/TEXT

It is possible for a BLOB/TEXT column to appear in a cross engine join.
This causes an ExeMgr crash later during execution. For now this patch
disable BLOB/TEXT support.
---
 dbcon/mysql/ha_calpont_execplan.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dbcon/mysql/ha_calpont_execplan.cpp b/dbcon/mysql/ha_calpont_execplan.cpp
index 1ad9f8e96..22aa4742b 100755
--- a/dbcon/mysql/ha_calpont_execplan.cpp
+++ b/dbcon/mysql/ha_calpont_execplan.cpp
@@ -2233,6 +2233,10 @@ CalpontSystemCatalog::ColType colType_MysqlToIDB (const Item* item)
 					ct.colDataType = CalpontSystemCatalog::DATETIME;
 					ct.colWidth = 8;
 				}
+                if (item->field_type() == MYSQL_TYPE_BLOB)
+                {
+                    throw runtime_error ("BLOB/TEXT data types are not supported by ColumnStore.");
+                }
 			}
 			break;
 /* FIXME: