org.apache.openjpa.jdbc.sql.JoinSyntaxes Maven / Gradle / Ivy
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package org.apache.openjpa.jdbc.sql;
/**
* Constants for ways of describing joins in SQL.
*
* @author Abe White
*/
public interface JoinSyntaxes {
/**
* ANSI SQL 92 join syntax; outer joins are supported.
*/
public static final int SYNTAX_SQL92 = 0;
/**
* Traditional join syntax; outer joins are not supported.
*/
public static final int SYNTAX_TRADITIONAL = 1;
/**
* Native database join syntax; outer joins are supported.
*/
public static final int SYNTAX_DATABASE = 2;
}