limit size of mysql cell to 128 kilobytes

(cherry picked from commit 9acd983b8de33c3d2d70a8cb0c9e3bdc2adca7a9)

diff --git a/modules/gmysqlbackend/smysql.cc b/modules/gmysqlbackend/smysql.cc
index 121ca5d543169adde1f0062716dea528126ac980..a9af154d8843ae2d61f6060614447fbc62066a49 100644 (file)
--- a/modules/gmysqlbackend/smysql.cc
+++ b/modules/gmysqlbackend/smysql.cc
@@ -191,6 +191,7 @@ public:
 
         for(int i = 0; i < d_fnum; i++) {
           unsigned long len = std::max(fields[i].max_length, fields[i].length)+1;
+          if (len > 128 * 1024) len = 128 * 1024; // LONGTEXT may tell us it needs 4GB!
           d_res_bind[i].is_null = new my_bool[1];
           d_res_bind[i].error = new my_bool[1];
           d_res_bind[i].length = new unsigned long[1];