Lists: | pgsql-hackers |
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From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
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To: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | can we enhance regtype infunction to support %type and %type[] |
Date: | 2010-09-04 05:30:09 |
Message-ID: | AANLkTim+1CE+qLsz=55n5nO6aDc9GQdsX+u5ij0_PUB0@mail.gmail.com |
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Lists: | pgsql-hackers |
Hello
I am looking on ToDo topic - Allow handling of %TYPE arrays, e.g.
tab.col%TYPE[]
Some the most simple solution can be enhancing regtype to support this
syntax - this can be relative simple, and it can be useful for other
PL and for dynamic SQL too. It can be simple test - if some table has
a column or not.
comments?
Regards
Pavel Stehule
From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: can we enhance regtype infunction to support %type and %type[] |
Date: | 2010-09-04 16:12:02 |
Message-ID: | 16581.1283616722@sss.pgh.pa.us |
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Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> I am looking on ToDo topic - Allow handling of %TYPE arrays, e.g.
> tab.col%TYPE[]
> Some the most simple solution can be enhancing regtype to support this
> syntax
I'm not really in favor of adding a wart like that to regtype, and
I don't see how it would do anything to advance the TODO item anyway.
regards, tom lane
From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: can we enhance regtype infunction to support %type and %type[] |
Date: | 2010-09-04 16:52:51 |
Message-ID: | AANLkTi=sHkNaH7_tnc_qfcc8qc732JLjA9Ez_-MZAHNm@mail.gmail.com |
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Lists: | pgsql-hackers |
2010/9/4 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> I am looking on ToDo topic - Allow handling of %TYPE arrays, e.g.
>> tab.col%TYPE[]
>
>> Some the most simple solution can be enhancing regtype to support this
>> syntax
>
> I'm not really in favor of adding a wart like that to regtype, and
> I don't see how it would do anything to advance the TODO item anyway.
it can reduce a duplicate code - it is used on PL level and on PLpgSQL.
and be very useful as protection to SQL injection, where you have to
check if some table has some column.
Regards
Pavel Stehule
>
> regards, tom lane
>