Обсуждение: pgsql/src/backend/optimizer/plan (createplan.c)

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pgsql/src/backend/optimizer/plan (createplan.c)

От
Tom Lane
Дата:
  Date: Tuesday, May 23, 2000 @ 12:56:36
Author: tgl

Update of /home/projects/pgsql/cvsroot/pgsql/src/backend/optimizer/plan
     from hub.org:/home/projects/pgsql/tmp/cvs-serv49938/backend/optimizer/plan

Modified Files:
    createplan.c

-----------------------------  Log Message  -----------------------------

Fix problem in which sloppily-coded test in ExecInitIndexScan would
think that both sides of indexqual look like index keys.  An example is
create table inside (f1 float8 primary key);
create table outside (g1 float8, g2 float8);
select * from inside,outside where f1 = atan2(g1+1, g2);
ERROR:  ExecInitIndexScan: both left and right ops are rel-vars
(note that failure is potentially platform-dependent).  Solution is a
cleanup I had had in mind to make anyway: functional index keys should
be represented as Var nodes in the fixed indexqual, just like regular
index keys.