BTW, I published the 'ctidscan' module below as an example of custom-scan. https://github.com/kaigai/ctidscan
-- NEC OSS Promotion Center / PG-Strom Project KaiGai Kohei <[email protected]> > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Kouhei Kaigai > Sent: Thursday, November 20, 2014 3:42 PM > To: [email protected] > Subject: [HACKERS] T_CustomScan on ExplainTargetRel > > Hello, > > The attached obvious patch adds T_CustomScan on case-switch of > ExplainTargetRel() that was oversight. > > It looked like working, but what it did was just printing referenced name, > instead of table name. > > postgres=# explain select ctid, * from t0 hoge where ctid > '(50,0)'::tid; > QUERY PLAN > ---------------------------------------------------------------------- > -- > Custom Scan (ctidscan) on hoge (cost=0.00..100.00 rows=3333 width=43) > Filter: (ctid > '(50,0)'::tid) > ctid quals: (ctid > '(50,0)'::tid) > (3 rows) > > This patch fixes up this behavior, as like other *Scan nodes are doing. > > postgres=# explain select ctid, * from t0 hoge where ctid > '(50,0)'::tid; > QUERY PLAN > ------------------------------------------------------------- > Seq Scan on t0 hoge (cost=0.00..209.00 rows=3333 width=43) > Filter: (ctid > '(50,0)'::tid) > (2 rows) > > Thanks, > -- > NEC OSS Promotion Center / PG-Strom Project KaiGai Kohei > <[email protected]> -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
