From: | marek at lewczuk(dot)com (Marek Lewczuk) |
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To: | |
Subject: | [Pljava-dev] Re: the relation ID of the table on which the trigger occured. |
Date: | 2005-05-25 08:32:59 |
Message-ID: | 4294383B.3080507@lewczuk.com |
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Thread: | |
Lists: | pljava-dev |
Thomas Hallgren napisa?(a):
> Marek Lewczuk wrote:
>
>> Hi,
>> I think that TriggerData class is missing getRelationID method - this
>> should return OID of the table on which the trigger fired. Can I get
>> table's OID which fired the trigger in other way ?
>
> The TriggerData.getTableName() will give you the name of the relation.
True, but it returns only table's name, without schema name - table's
name can't be used as a true identifier of given table (because table
e.g. "pljavaexample" can exists in many schemas) and because of that
relation ID is needed.
> The TriggerData interface is designed to be as database agnostic as
> possible (to allow other vendors to use the same interface) and the
> relation OID is very PostgreSQL specific.
I understand, however that can lead to many other losts on the pljava's
functionality - PostgreSQL is very complex and it contains many unique
features, which are not available in other RDBMS.
>
> We might add a method on the Oid class in the future. Something like:
> public static Oid forRelationName(String relationName)
This will not help - you don't know the schema name (because
getTableName() doesn't return schema name).
ML
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