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LuaSQL Question

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Hi,
I've been using the luaSQL module a lot lately.  The documentation for
luaSQL suggests the use of an iterator to 'walk' over the result set:
 function rows (connection, sql_statement)
 local cursor = assert (connection:execute (sql_statement))
 return function ()
 return cursor:fetch()
 end
 end
This works, but often causes an "there are open cursors" error when
closing the connection.
My naive attempt to solve this doesn't appear to work:
function rows(connection, sql_statement)
 local cursor = assert (connection:execute (sql_statement))
 return function ()
	local rc = cursor:fetch()
	if (rc == nil) then
		cursor:close()
		cursor = nil
	end
 return rc
 end
end
Has anyone else solved this issue, if so, any pointers on how I can do so?
Thanks
Terry
--
If you lose your name you become small,
If you lose your spirit you become nothing

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