Thanks for replying. The only logfile I have is the 'serverlog' file that I have. Looking at that file, I don't see any indications that there was an error. The INSERT does return successfully in psql. Any other possibilities? > From: Rodrigo Gonzalez <rjgonzale@xxxxxxxxx> > Date: Sat, 06 May 2006 20:33:29 -0300 > To: HH <lists@xxxxxxxxxxxxxxxxx> > Cc: PostgreSQL <pgsql-general@xxxxxxxxxxxxxx> > Subject: Re: [GENERAL] Can't Figure Out Where Rows Are Going > > Just to be sure.... > > Any error msg in log? > > Maybe you can run this query in psql and see if it return any error msg > > Best regards > > Rodrigo > > HH wrote: >> Hello, >> >> I am running 8.1.3, built from source, on RHEL4/x64. >> >> I have a Web application that uses this database to sell products. We have >> an order table and an order lines table with a one to many relationship >> between them. >> >> For the past few months I have had a strange problem where sometimes (about >> 2% of orders), the line item rows disappear. By disappear I mean that they >> are committed to the database and then when I go to look at the order later, >> there are no line items. The row in the 'order' table still exists, it is >> just the line(s) that vanish. >> >> As I started looking into this problem I assumed that it was a bug in my Web >> application. I did some extensive testing and logging to no avail. I turned >> up the logging on my Web app and I can see the INSERTs but I never saw any >> DELETE statements though I can't find the child row(s) in the DB. >> >> I've been perplexed for quite some time so a few days ago I turned on the >> following PG logging: >> >> log_statement = 'mod' >> >> Today, I found an order that has this problem. Grepping my serverlog, I see >> the following: >> >> The line item is inserted: >> >> serverlog:LOG: statement: INSERT INTO order_lines ("order_description", >> "order_id", "updated_at", "band_name", "order_item", "product_id", >> "line_source", "order_quantity", "extended_price", "unit_price", >> "catalog_number", "created_at") VALUES('FW "Not My Pres" Trucker Hat', >> 16899, '2006-05-06 14:43:38', NULL, 'Baseball Cap ', 165, 'Merch', 1, NULL, >> 7.0, 94, '2006-05-06 14:43:38') >> >> Then, I do a SELECT: >> >> fw_production=# SELECT COUNT(*) FROM order_lines WHERE order_id = 16899; >> count >> ------- >> 0 >> >> There was about 3 hours between when the line was inserted and when I went >> to look for it. There is no DELETE in the serverlog for this row. >> >> I can't figure out where this row went and why it disappeared! Is it getting >> deleted some other way that wouldn't be logged? Am I missing something >> rudimentary? >> >> Any help is appreciated. >> >> Hunter >> >> >> >> ---------------------------(end of broadcast)--------------------------- >> TIP 9: In versions below 8.0, the planner will ignore your desire to >> choose an index scan if your joining column's datatypes do not >> match >> >>