Re: [SQL] Split a string to rows?

2013-01-08 Thread Dave Page
On Tue, Jan 8, 2013 at 2:34 PM, Emi Lu  wrote:
> Hello Thomas,
>
>
>>> Thanks a lot! I just noticed that my postgresql is 8.3(unnest
>>> function is not there by default). Is there a way that I could
>>> download and load only this function from somewhere?
>>
>>
>>
>> Are you aware that 8.3 will be de-suppported as of next month?
>>
>> You should really think about an upgrade *now*
>>
>
> http://www.postgresql.org/support/versioning/
>
> Although 8.3 reaches EOL date, it says that "Supported=Yes" for 8.3.
>
> I believe that "Supported" would be fine, wouldn't it?

It is supported until February (or more precisely, until the next
point release after then, which will be the final wrapup release). At
that point, there will be no more releases or bug fixes.

Start thinking about upgrading now, as Thomas suggests.

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Re: [SQL] Split a string to rows?

2013-01-08 Thread k...@rice.edu
On Tue, Jan 08, 2013 at 09:34:24AM -0500, Emi Lu wrote:
> Hello Thomas,
> 
> >>Thanks a lot! I just noticed that my postgresql is 8.3(unnest
> >>function is not there by default). Is there a way that I could
> >>download and load only this function from somewhere?
> >
> >
> >Are you aware that 8.3 will be de-suppported as of next month?
> >
> >You should really think about an upgrade *now*
> >
> 
> http://www.postgresql.org/support/versioning/
> 
> Although 8.3 reaches EOL date, it says that "Supported=Yes" for 8.3.
> 
> I believe that "Supported" would be fine, wouldn't it?
> 
> Emi
> 

Hi Emi,

It will be supported until February 2013. You have about 1 month left.

Regards,
Ken


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Re: [SQL] Split a string to rows?

2013-01-08 Thread Emi Lu

Hello Thomas,


Thanks a lot! I just noticed that my postgresql is 8.3(unnest
function is not there by default). Is there a way that I could
download and load only this function from somewhere?



Are you aware that 8.3 will be de-suppported as of next month?

You should really think about an upgrade *now*



http://www.postgresql.org/support/versioning/

Although 8.3 reaches EOL date, it says that "Supported=Yes" for 8.3.

I believe that "Supported" would be fine, wouldn't it?

Emi












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Re: [SQL] Split a string to rows?

2013-01-07 Thread Thomas Kellerer

Emi Lu wrote on 07.01.2013 21:16:

Thanks a lot! I just noticed that my postgresql is 8.3(unnest
function is not there by default). Is there a way that I could
download and load only this function from somewhere?
 


Are you aware that 8.3 will be de-suppported as of next month?

You should really think about an upgrade *now*

Thomas





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Re: [SQL] Split a string to rows?

2013-01-07 Thread Emi Lu

All right. I found the function.
http://wiki.postgresql.org/wiki/Array_Unnest

Thanks a lot!
Emi

On 01/07/2013 03:16 PM, Emi Lu wrote:

Thanks a lot! I just noticed that my postgresql is 8.3(unnest function
is not there by default). Is there a way that I could download and load
only this function from somewhere?

Thanks again!
Emi


On 01/07/2013 02:58 PM, Jonathan S. Katz wrote:

On Jan 7, 2013, at 2:44 PM, Emi Lu wrote:


Hello,

Is there a function to split a string to different rows?

For example, t1(id, col1)
values(1, 'a, b, c');

select id, string_split_to_row(col1, ',');

Return:
=
1, a
1, b
1, c



You can probably use some combination of "string_to_array" and "unnest"

e.g.

SELECT unnest(string_to_array('a,b,c', ','));

  unnest

  a
  b
  c
(3 rows)

If you need a more complex string splitting mechanism, there is the
"regexp_split_to_array" function.

Jonathan







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Re: [SQL] Split a string to rows?

2013-01-07 Thread Emi Lu
Thanks a lot! I just noticed that my postgresql is 8.3(unnest function 
is not there by default). Is there a way that I could download and load 
only this function from somewhere?


Thanks again!
Emi


On 01/07/2013 02:58 PM, Jonathan S. Katz wrote:

On Jan 7, 2013, at 2:44 PM, Emi Lu wrote:


Hello,

Is there a function to split a string to different rows?

For example, t1(id, col1)
values(1, 'a, b, c');

select id, string_split_to_row(col1, ',');

Return:
=
1, a
1, b
1, c



You can probably use some combination of "string_to_array" and "unnest"

e.g.

SELECT unnest(string_to_array('a,b,c', ','));

  unnest

  a
  b
  c
(3 rows)

If you need a more complex string splitting mechanism, there is the 
"regexp_split_to_array" function.

Jonathan




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Emi Lu, ENCS, Concordia University, Montreal H3G 1M8
em...@encs.concordia.ca+1 514 848-2424 x5884


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Re: [SQL] Split a string to rows?

2013-01-07 Thread Jonathan S. Katz
On Jan 7, 2013, at 2:44 PM, Emi Lu wrote:

> Hello,
> 
> Is there a function to split a string to different rows?
> 
> For example, t1(id, col1)
> values(1, 'a, b, c');
> 
> select id, string_split_to_row(col1, ',');
> 
> Return:
> =
> 1, a
> 1, b
> 1, c


You can probably use some combination of "string_to_array" and "unnest"

e.g.

SELECT unnest(string_to_array('a,b,c', ','));

 unnest 

 a
 b
 c
(3 rows)

If you need a more complex string splitting mechanism, there is the 
"regexp_split_to_array" function.

Jonathan

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Re: [SQL] Split a string to rows?

2013-01-07 Thread Steve Crawford

On 01/07/2013 11:44 AM, Emi Lu wrote:


Is there a function to split a string to different rows?...



Have you looked at regexp_split_to_table?

Cheers,
Steve


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[SQL] Split a string to rows?

2013-01-07 Thread Emi Lu

Hello,

Is there a function to split a string to different rows?

For example, t1(id, col1)
values(1, 'a, b, c');

select id, string_split_to_row(col1, ',');

Return:
=
1, a
1, b
1, c

Thanks alot!
Emi



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