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Subject: Re: create table and data types
From: Ken Hill <ken@scottshill.com>
Reply-To: ken@scottshill.com
To: Maciej Piekielniak <piechcio@isb.com.pl>
Cc: pgsql-sql@postgresql.org
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On Tue, 2006-02-14 at 22:12 +0100, Maciej Piekielniak wrote:

> Hello pgsql-sql,
> 
>   Is anybody know how create field in a new table with data type accuiring from a field in other table?
>   For example:
> 
> create table new_table
> ( 
>  name other_table.name%TYPE
> ); 
> 

Have you tried inheritance from one table to the new table?

CREATE TABLE new_table (new_column)
     INHERITS (old_table)

All columns in 'old_table' will be inclueded in 'new_table' plus the
column 'new_column'.

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On Tue, 2006-02-14 at 22:12 +0100, Maciej Piekielniak wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">Hello pgsql-sql,</FONT>

<FONT COLOR="#000000">  Is anybody know how create field in a new table with data type accuiring from a field in other table?</FONT>
<FONT COLOR="#000000">  For example:</FONT>

<FONT COLOR="#000000">create table new_table</FONT>
<FONT COLOR="#000000">( </FONT>
<FONT COLOR="#000000"> name other_table.name%TYPE</FONT>
<FONT COLOR="#000000">); </FONT>

</PRE>
</BLOCKQUOTE>
Have you tried inheritance from one table to the new table?<BR>
<BR>
CREATE TABLE new_table (new_column)<BR>
&nbsp;&nbsp;&nbsp;&nbsp; INHERITS (old_table)<BR>
<BR>
All columns in 'old_table' will be inclueded in 'new_table' plus the column 'new_column'.
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</HTML>

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