public inbox for [email protected]  

help / color / mirror / Atom feed

From: Chapman Flack <[email protected]>
To: Devrim Gündüz <[email protected]>
To: [email protected]
Subject: Re: PL/Java 1.5.2 - fixes one regression in date conversion in 1.5.1
Date: Tue, 26 Feb 2019 16:18:56 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>
	<[email protected]>

On 2/26/19 2:16 PM, Devrim Gündüz wrote:
> How does it look now?
> 
> # ll *sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.0--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.0-BETA1--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.0-BETA2--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.0-BETA3--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.1--1.5.2.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.1-BETA1--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.1-BETA2--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> lrwxrwxrwx 1 root root   39 Feb 26 22:13 pljava--1.5.1-BETA3--1.5.1.sql -> /usr/pgsql-11/share/pljava/pljava--.sql
> -rw-r--r-- 1 root root 3228 Feb 26 22:13 pljava--1.5.2.sql
> -rw-r--r-- 1 root root 2433 Feb 26 22:13 pljava--.sql
> -rw-r--r-- 1 root root 3580 Feb 26 22:13 pljava--unpackaged--1.5.2.sql

Hi Devrim,

Thanks for taking a look ... that's better, with one complication, though.

It has links for updating 150-BETA* to 150, 151-BETA* and 150 to 151,
151-BETA* and 151 to 152, which would be the typical arrangement for a
typical extension, and would cause PostgreSQL to automatically apply
multiple scripts in sequence.

The multiple script sequence won't work in PL/Java though, because
the updating work is really done inside PL/Java at its own startup,
which can't be repeated over a single backend connection.
(You have seen that they are all links to one script, which does
nothing but store the library pathname and exnihilo=false (indicating
update) in a table and LOAD the library, which unconditionally applies
any schema updates needed to match its own version. PostgreSQL itself
treats later LOADs of the same library as no-ops, so I couldn't
make the multiple-script sequence work if I wanted to).

This is sort of an imperfect fit with the PG extension conventions,
but PL/Java 1.5.x still supports PG versions older than the extension
feature, so updating has to be easy for them too.

So the intent for packaging is to include a link pljava--foo--1.5.2.sql
for every plausible prior version foo, so PostgreSQL will choose
a one-script update path no matter which prior version is installed.

The actual files placed into an "official" build can be found
starting here:

https://github.com/tada/pljava/blob/REL1_5_STABLE/pljava-packaging/build.xml#L280

Thanks!
-Chap

view thread (20+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected]
  Subject: Re: PL/Java 1.5.2 - fixes one regression in date conversion in 1.5.1
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox