Re: gSoC add MERGE command new patch -- merge_v104
Boxuan Zhai <bxzhai2010@gmail.com>
From: Boxuan Zhai <bxzhai2010@gmail.com>
To: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: pgsql-hackers@postgresql.org
Date: 2010-08-24T13:35:48Z
Lists: pgsql-hackers
Attachments
- merge_v201.tar (application/x-tar)
Hi, I finished the MERGE on inheritance tables. Now comes the merge_v201 The test example can be found at https://wiki.postgresql.org/wiki/MergeTestExamples#MERGE_on_inheritance Thanks On Thu, Aug 19, 2010 at 10:01 PM, Boxuan Zhai <bxzhai2010@gmail.com> wrote: > Hi, > > Here comes the new patch for MERGE command. It has the following features: > > 1. It is based on Heikki's merge_v102-cleanedup.patch. So, it is > (hopefully) clean -- no meaningless white spaces and no overlong clause. > > 2. The "replaced" mark in MERGE query and plan structures are removed. In > rewriter, the actions replaced by INSTEAD rules will be changed into DO > NOTHING actions. > > 3. _outDeleteStmt() is removed from code. > > 4. EXPLAIN MERGE is improved much. You can see the new examples at > https://wiki.postgresql.org/wiki/MergeTestExamples#Explain_Merge > > 5. The subplan/sublinks are supported in merge actions now. Try the > examples at > https://wiki.postgresql.org/wiki/MergeTestExamples#Subplan.2Fsublinks_in_action > > 6. Updated merge.sql and merge.out for regress > > 7. The inheritance is still NOT supported yet. > > Thanks > > Regards > > Yours Boxuan >