Re: metadata on a table

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От Malm Paul
Тема Re: metadata on a table
Дата
Msg-id 2CF53313EAE78542876F7C9689F9F72504553217@corpappl747.corp.saab.se
обсуждение исходный текст
Ответ на metadata on a table  (Malm Paul <paul.malm@saabgroup.com>)
Список pgsql-general
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Ahhh.

boolean isAutoIncerment = rsMetaData.isAutoIncrement(1);

if int4 and autoIncremented = serial

Sorry!!


From: pgsql-general-owner@postgresql.org [mailto:pgsql-general-owner@postgresql.org] On Behalf Of Malm Paul
Sent: den 19 maj 2010 08:44
To: pgsql-general@postgresql.org
Subject: [GENERAL] metadata on a table

Hi,
I'm trying to read the metadata from table to create the same sort of table in another database, using java.
 
This is how I do it today

quwstion = "SELECT  * FROM table"
stmnt = dbConnection.prepareStatement(question);

rs = stmnt.executeQuery();

ResultSetMetaData rsMetaData = rs.getMetaData();
int numberOfColumns = rsMetaData.getColumnCount();
System.out.println("resultSet MetaData column Count=" + numberOfColumns);
int precision = rsMetaData.getPrecision(1);
String columnTypeName = rsMetaData.getColumnTypeName(1);
String name = rsMetaData.getColumnName(1);
String classname = rsMetaData.getColumnClassName(1);

The first object is the primary key with the name "fid",
columnTypeName = int4
 
I can see in the original table that fid has the type serial, which is an int4 (pgAdmin).
But when I create the table in the other database I would like to create it as serial not just int4, how can I know that it is a serial? 
 
Kind regards,
Paul

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