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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2005, PostgreSQL Global Development Group
* Copyright (c) 2004, Open Cloud Limited.
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/core/v3/V3Query.java,v 1.4 2005/01/11 08:25:44 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.core.v3;
import org.postgresql.core.Query;
/**
* Common interface for all V3 query implementations.
*
* @author Oliver Jowett (oliver@opencloud.com)
*/
interface V3Query extends Query {
/**
* Return a list of the SimpleQuery objects that
* make up this query. If this object is already a
* SimpleQuery, returns null (avoids an extra array
* construction in the common case).
*
* @return an array of single-statement queries, or <code>null</code>
* if this object is already a single-statement query.
*/
SimpleQuery[] getSubqueries();
}
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