Sql fix

Author: bbimber

mcc/src/org/labkey/mcc/query/MccRequestCustomizer.java

@@ -98,7 +98,7 @@ public boolean isSortable()
                         append(" as expr FROM ").
                         append(" mcc." + MccSchema.TABLE_ANIMAL_REQUESTS + " ar JOIN studydataset.").append(dti.getName()).
                         append(" d ON (d.mccRequestId = ar.rowId)").
-                        append(" WHERE CAST(ar.objectid AS VARCHAR) = CAST(" + ExprColumn.STR_TABLE_ALIAS + ".requestId AS VARCHAR))");
+                        append(" WHERE CAST(ar.objectid AS VARCHAR(36)) = CAST(" + ExprColumn.STR_TABLE_ALIAS + ".requestId AS VARCHAR(36)))");
 
                 ExprColumn newCol = new ExprColumn(ti, "transferIds", sql, JdbcType.VARCHAR, ti.getColumn("requestId"));
                 newCol.setLabel("Animal ID(s)");