* Tom Lane (t...@sss.pgh.pa.us) wrote: > chenhj <chjis...@163.com> writes: > > In my test(PG9.3.4), i found when update a parent table which has a large > > number of child tables, the execute plan will consume lots of memory. And > > possibly cause OOM. > > See > file:///net/sss1/home/postgres/pgsql/doc/src/sgml/html/ddl-partitioning.html#DDL-PARTITIONING-CAVEATS > > particularly the last paragraph.
Or perhaps, if you're on the Internet, this instead: http://www.postgresql.org/docs/9.4/static/ddl-partitioning.html#DDL-PARTITIONING-CAVEATS :) Thanks, Stephen
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