=?ISO-8859-2?Q?Miroslav_Such=FD?= writes:
> The plan is to make database proxy, where Spacewalk will connect to this
> db proxy, which will transform queries in runtime and then will handle
> them to mysql, get the data and pass it back to Spacewalk
Oh, so this is a research project rather than
Tom Lane wrote:
The usual experience AFAIR is that the queries have to be dumbed down to
the point that they no longer perform well on Oracle (or Postgres),
because of mysql's crummy optimizer and lack of support for advanced
join strategies.
Eee, the plan is to *not* touch original code (unles
On Tue, Apr 28, 2009 at 10:10:01AM -0400, Tom Lane wrote:
>
> The usual experience AFAIR is that the queries have to be dumbed down to
> the point that they no longer perform well on Oracle (or Postgres),
> because of mysql's crummy optimizer and lack of support for advanced
> join strategies.
A
=?ISO-8859-2?Q?Miroslav_Such=FD?= writes:
> And IMO this approach has never been taken. But if you can point me to
> somebody who tried to rewrite queries from oracle to mysql in runtime
> and failed, I will be happy to read about it.
The usual experience AFAIR is that the queries have to be du
On Mon, Apr 27, 2009 at 03:13:09PM +0200, Matej Hasul wrote:
> Hello, I started working on migrating tables to mysql.
>
> Data types conversion looks like this:
>
> varchar2 -> varchar
> number -> numeric
> date -> timestamp
>
> Following problems emerged:
> 1. Mysql doesn`t support user defined
Tom Lane wrote:
=?ISO-8859-2?Q?Miroslav_Such=FD?= writes:
Tom Lane wrote:
Isn't this a complete waste of time? There is exactly 0 chance of
migrating all those procedures to mysql.
How do you know?
Try it for awhile and see what you think. The incompatibilities and
That is why Matej i
=?ISO-8859-2?Q?Miroslav_Such=FD?= writes:
> Tom Lane wrote:
>> Isn't this a complete waste of time? There is exactly 0 chance of
>> migrating all those procedures to mysql.
> How do you know?
Try it for awhile and see what you think. The incompatibilities and
missing features you're running in
Tom Lane wrote:
Matej Hasul writes:
Hello, I started working on migrating tables to mysql.
Isn't this a complete waste of time? There is exactly 0 chance of
migrating all those procedures to mysql.
How do you know?
--
Miroslav Suchy
Red Hat Satellite Engineering
___
Matej Hasul writes:
> Hello, I started working on migrating tables to mysql.
Isn't this a complete waste of time? There is exactly 0 chance of
migrating all those procedures to mysql.
regards, tom lane
___
Spacewalk-devel mail
Matej Hasul wrote:
Hello, I started working on migrating tables to mysql.
Data types conversion looks like this:
varchar2 -> varchar
number -> numeric
date -> timestamp
For the records. Matej is trying to rewrite queries in run time to be
MySQL compatible...
Following problems emerged:
1
Hello, I started working on migrating tables to mysql.
Data types conversion looks like this:
varchar2 -> varchar
number -> numeric
date -> timestamp
Following problems emerged:
1. Mysql doesn`t support user defined data type. So I have no idea what to
do with evr_t.
2. Mysql doesn`t support ne
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