Pavel Stehule wrote: > 2014-06-16 11:46 GMT+02:00 xbzhang <xbzh...@kingbase.com.cn>: > > > > > I want to implement the skip errors for copy from,lik as : > > create table A (c int primary key); > > copy A from stdin; > > 1 > > 1 > > 2 > > \. > > > > copy will failed: > > ERROR: duplicate key violates primary key constraint "CC_PKEY" > > CONTEXT: COPY CC, line 2: "1" > > > > I want skip the error, and continue to copy the reset of tuple. The result > > will be that there are two rows in table A: 1 and 2. > > > > how to implement that ? Anybody give me some suggestion? > > you should to reimplement a copy procedure to use a subtransactions. Using > subtransaction for any row is too expensive, but you can do subtransaction > per 1000 rows, and when some exception is raised, then store data per one > row/one subtransaction.
See http://pgloader.io/ for a ready-made solution. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
