So I’m working on a scheduling process and I have a datawindow object which takes a number of arguments.
I have them set up as al_pro_id (long), adt_end (datetime), adt_start (datetime), al_resource_id[] (long array), and al_dept_id (long).<\/p>\n
To save from maintaining two separate objects, I used this object for a datawindow as well as for datastores which check things behind the scene. Nothing here is unusual so far.<\/p>\n
In my code I inadvertently reversed the end date and the start date in one of my retrieves. Not surprising the retrieve returned no rows. So I check the sqlca, make sure the assignment of the datawindow object is correct, and validate the SQL from the object in a SQL session with the arguments put in place – all were fine.<\/p>\n
When I put a debug in the transaction object sqlpreview event this is what I got:<\/p>\n
Date parms in reverse order<\/p>\n
select rs.resource_id\n, rs.resource_ds\n, rs.bok_qy\n, qty_bok = ( select count(*) from RR_EVENT_RESOURCE_SCHED ers\n\t\t\tWHERE ers.resource_id = rg.resource_id\n\t\t\tAND ers.evt_start_ts < {ts '2010-07-16 09:15:00.000'}\n\t\t\tAND ers.evt_stop_ts > {ts '2010-07-16 10:15:00.000'}\n\t\t\tAND ers.evt_resource_sch_id not in (89407))\n, rrg.num_req_qty\n, pr.proc_name\n, chosen = CASE WHEN (select count(*) from RR_EVENT_RESOURCE_SCHED ersd WHERE ersd.resource_id = rg.resource_id\n\tAND ersd.evt_resource_sch_id in ({ts '2010-07-16 09:15:00.000'})) > 0 THEN 'Y' ELSE 'N' END\nfrom RR_PROCESS pr \njoin RR_REQUIRED_RESOURCE_GROUP rrg on pr.pro_id = rrg.pro_id\njoin RR_SCHEDULING_GROUP sg on rrg.sch_grp_id = sg.sch_grp_id \njoin RR_RESOURCE_GROUP rg on sg.sch_grp_id = rg.sch_grp_id\njoin RR_RESOURCE rs on rg.resource_id = rs.resource_id\nleft outer join RR_ROOM rm on rg.resource_id = rm.resource_id and rm.row_status_cd = 'A' and rm.or_dpt_id = {ts '2010-07-16 10:15:00.000'}\nleft outer join RR_PERSON p on rs.persn_id = p.persn_id and p.row_status_cd = 'A'\nwhere IsNull(rm.resource_id,0) = 0 and IsNull(p.persn_id,0) = 0\nand p.pro_id = 89407<\/pre>\n\u00a0<\/p>\n
Date parms in correct order<\/p>\n
select rs.resource_id\n, rs.resource_ds\n, rs.bok_qy\n, qty_bok = ( select count(*) from RR_EVENT_RESOURCE_SCHED ers \n\t\t\tWHERE ers.resource_id = rg.resource_id\n\t\t\tAND ers.resource_evt_start_ts < {ts '2010-07-16 10:15:00.000'}\n\t\t\tAND ers.resource_evt_stop_ts > {ts '2010-07-16 09:15:00.000'}\n\t\t\tAND ers.evt_resource_sch_id not in (89407))\n, rrg.num_req_qy\n, pr.proc_name\n, chosen = CASE WHEN (select count(*) from RR_EVENT_RESOURCE_SCHED ersd\n\t\t\tWHERE ersd.resource_id = rg.resource_id\n\t\t\tAND ersd.evt_resource_sch_id in (89407)) > 0 THEN 'Y' ELSE 'N' END\nfrom RR_PROCESS pr\njoin RR_REQUIRED_RESOURCE_GROUP rrg on pr.pro_id = rrg.pro_id\njoin RR_SCHEDULING_GROUP sg WITH on rrg.sch_grp_id = sg.sch_grp_id \njoin RR_RESOURCE_GROUP rg on sg.sch_grp_id = rg.sch_grp_id\njoin RR_RESOURCE rs on rg.resource_id = rs.resource_id\nleft outer join RR_ROOM rm on rg.resource_id = rm.resource_id and rm.row_status_cd = 'A' and rm.or_dpt_id = 1\nleft outer join dbo.RR_PERSON p on rs.persn_id = p.persn_id and p.row_status_cd = 'A'\nwhere IsNull(rm.resource_id,0) = 0 and IsNull(p.persn_id,0) = 0\nand p.pro_id = 8202<\/pre>\n\u00a0<\/p>\n
Notice the mis-assignment of the arguments in the first statement. The only reason this didn’t throw an error is because the timestamp values are converted to numeric in MS SQLServer. I don’t really have an explanation as to why Powerbuilder was submitting the SQL in the first statement. I guess just make sure you validate the order of the arguments you send in a retrieve.<\/p>\n\n\n
Updated March 2021<\/p>\n","protected":false},"excerpt":{"rendered":"
So I’m working on a scheduling process and I have a datawindow object which takes a number of arguments.I have them set up as al_pro_id (long), adt_end (datetime), adt_start (datetime), al_resource_id[] (long array), and al_dept_id (long). To save from maintaining two separate objects, I used this object for a datawindow as well as for datastores…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[8,3,10],"tags":[21,12,16,15],"_links":{"self":[{"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/posts\/220"}],"collection":[{"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/comments?post=220"}],"version-history":[{"count":11,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/posts\/220\/revisions"}],"predecessor-version":[{"id":1764,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/posts\/220\/revisions\/1764"}],"wp:attachment":[{"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/media?parent=220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/categories?post=220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/anvil-of-time.com\/wp-json\/wp\/v2\/tags?post=220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}