Re: getting a sequence value

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Roland Walter <rwa(at)mosaic-ag(dot)com>
Cc: Nico <nicohmail-postgresql(at)yahoo(dot)com>, pgsql-jdbc(at)postgresql(dot)org
Subject: Re: getting a sequence value
Date: 2005-03-21 12:53:47
Message-ID: 423EC3DB.1070301@fastcrypt.com
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Roland,

That works too! Great idea.

I'm so used to doing it the other way as most times I need the primary
key too in my java class for identity purposes.

Dave

Roland Walter wrote:

> Nico schrieb:
>
>> Table data:
>> Table 1:
>> Field1 (integer) default:
>> nextval('public."tblTable1_FieldID_seq"'::text)
>> other field...
>> Table 2:
>> Field1 (integer) default: nextval('public."tblTable2_FieldID_seq"':text)
>> Field2 (integer) foreign key that references to Field1 in Table 1...
>>
>> So when I do this:
>> INSERT INTO "tblTable1"(other fields...) VALUES(...);
>> how do I know what to put in here?
>> INSERT INTO "tblTable2"("Field2", other fields...) VALUES(???, ...);
>>
>>
>>
> How about INSERT INTO "tblTable2 ("Field2", ...) VALUES
> (currval('public."TbleTable1_FieldID_seq"'), ...);
>
> But you have to do this in the same connection to the database, that
> did insert into table 1.
>

--
Dave Cramer
http://www.postgresintl.com
519 939 0336
ICQ#14675561

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