Horton

Re: parallelize queries containing initplans

tushar <tushar.ahuja@enterprisedb.com>

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From: tushar <tushar.ahuja@enterprisedb.com>
To: Amit Kapila <amit.kapila16@gmail.com>, Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Haribabu Kommi <kommi.haribabu@gmail.com>, Kuntal Ghosh <kuntalghosh.2007@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2017-10-11T07:12:18Z
Lists: pgsql-hackers 
On 10/09/2017 03:26 PM, Amit Kapila wrote:
> I have reverted the check
> in the attached patch.

I have applied this patch against PG HEAD and run sqlsmith and analyzed 
results . didn't find any specific failures against this patch.

-- 
regards,tushar
EnterpriseDB  https://www.enterprisedb.com/
The Enterprise PostgreSQL Company

Commits

  1. Pass InitPlan values to workers via Gather (Merge).

  2. Track in the plan the types associated with PARAM_EXEC parameters.

  3. Force rescanning of parallel-aware scan nodes below a Gather[Merge].