On Tue, Dec 11, 2012 at 8:48 PM, Peter Brawley <peter.braw...@earthlink.net> wrote: >>ERROR 1054 (42S22): Unknown column 'data_tool.category_id' in 'on clause' >>But category_id is a column in data_tool. > > Then a bit of reordering is required ... > > SELECT data_target.name, ep, wafer_id, lot_id, > date_time, data_file_id, data_cstimage.name, > bottom, wf_file_path_id, data_measparams.name, > vacc, data_category.name > FROM data_cst > RIGHT JOIN data_cstimage ON data_cstimage.id = data_cst.image_measurer_id > INNER JOIN data_tool ON data_tool.id = data_cst.tool_id > INNER JOIN data_target ON data_target.id = data_cst.target_name_id > INNER JOIN data_measparams ON data_measparams.id = > data_cst.meas_params_name_id > INNER JOIN data_category ON data_category.id = data_tool.category_id > WHERE data_cst.target_name_id IN (38018, 29947, 28330) > AND data_cst.date_time BETWEEN '2012-09-01 00:00:00' AND '2012-09-07 > 00:00:00' > ORDER BY target_name_id, ep, wafer_id, lot_id, date_time;
Your query worked exactly like my original one - i.e. when data_cst.image_measurer_id is NULL I don't get that data_cst row. But I changed the RIGHT JOIN to a LEFT JOIN and then it was doing exactly what I wanted. Thanks for all the help! > On 2012-12-11 5:11 PM, Larry Martell wrote: > > SELECT data_target.name, ep, wafer_id, lot_id, >> >> date_time, data_file_id, data_cstimage.name, >> >> bottom, wf_file_path_id, data_measparams.name, >> >> vacc, data_category.name >> >> FROM data_cst >> >> RIGHT JOIN data_cstimage ON data_cstimage.id = >> data_cst.image_measurer_id >> >> INNER JOIN data_target ON data_target.id = data_cst.target_name_id >> >> INNER JOIN data_measparams ON data_measparams.id = >> data_cst.meas_params_name_id >> >> INNER JOIN data_category ON data_category.id = data_tool.category_id >> >> INNER JOIN data_tool ON data_tool.id = data_cst.tool_id >> >> WHERE data_cst.target_name_id IN (38018, 29947, 28330) >> >> AND data_cst.date_time BETWEEN '2012-09-01 00:00:00' AND '2012-09-07 >> 00:00:00' >> >> ORDER BY target_name_id, ep, wafer_id, lot_id, date_time; > > Thanks very much for the reply. This is giving me: > > ERROR 1054 (42S22): Unknown column 'data_tool.category_id' in 'on clause' > > But category_id is a column in data_tool. > > > -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql
