Re: CINE in CREATE TABLE AS ... and CREATE MATERIALIZED VIEW ...

From: Fabrízio de Royes Mello <fabriziomello(at)gmail(dot)com>
To: Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: CINE in CREATE TABLE AS ... and CREATE MATERIALIZED VIEW ...
Date: 2014-10-31 03:06:12
Message-ID: CAFcNs+rp9WhER1dr2XmGuhmfvmaGv7orF3VYc2ZK=t+rPrW6gw@mail.gmail.com
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On Mon, Oct 27, 2014 at 4:15 AM, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>
wrote:
>
> Hi All,
>
> - Patch got applied cleanly.
> - Regression make check run fine.
> - Patch covered the documentation changes
>
> Here are few comments:
>
> 1) What the need of following change:
>
> diff --git a/src/backend/storage/lmgr/lwlock.c
b/src/backend/storage/lmgr/lwlock.c
> index bcec173..9fe6855 100644
> --- a/src/backend/storage/lmgr/lwlock.c
> +++ b/src/backend/storage/lmgr/lwlock.c
> @@ -1005,12 +1005,6 @@ LWLockWaitForVar(LWLock *lock, uint64 *valptr,
uint64 oldval, uint64 *newval)
> lock->tail = proc;
> lock->head = proc;
>
> - /*
> - * Set releaseOK, to make sure we get woken up as soon as the
lock is
> - * released.
> - */
> - lock->releaseOK = true;
> -
> /* Can release the mutex now */
> SpinLockRelease(&lock->mutex);
>
>
> It doesn't look like related to this patch.
>

Sorry... my mistake when diff to master (more updated than my branch).

Fixed.

> 2)
>
> diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c
> index ae5fe88..4d11952 100644
> --- a/src/bin/psql/help.c
> +++ b/src/bin/psql/help.c
> @@ -247,7 +247,7 @@ slashUsage(unsigned short int pager)
> fprintf(output, _(" \\f [STRING] show or set field
separator for unaligned query output\n"));
> fprintf(output, _(" \\H toggle HTML output mode
(currently %s)\n"),
> ON(pset.popt.topt.format == PRINT_HTML));
> - fprintf(output, _(" \\pset [NAME [VALUE]] set table output
option\n"
> + fprintf(output, _(" \\pset [NAME [VALUE]] set table output
option\n"
> " (NAME :=
{format|border|expanded|fieldsep|fieldsep_zero|footer|null|\n"
> "
numericlocale|recordsep|recordsep_zero|tuples_only|title|tableattr|pager|\n"
> "
unicode_border_linestyle|unicode_column_linestyle|unicode_header_linestyle})\n"));
>
>
> Why above changes reqired ?
>

Same previous mistake.

Fixed.

> 3) This patch adding IF NOT EXIST_S for CREATE TABLE AS and CREATE
MATERIALIZED
> TABLE, but testcase coverage for CREATE MATERIALIZED TABLE is missing.
>
> Apart from this changes looks good to me.
>

Fixed.

Thanks for your review.

Regards,

--
Fabrízio de Royes Mello
Consultoria/Coaching PostgreSQL
>> Timbira: http://www.timbira.com.br
>> Blog: http://fabriziomello.github.io
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>> Twitter: http://twitter.com/fabriziomello
>> Github: http://github.com/fabriziomello

Attachment Content-Type Size
create_matview_if_not_exists_v2.patch text/x-diff 9.6 KB

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