/** Create the outer join operator for this platform */
protected ExpressionOperator operatorOuterJoin() {
ExpressionOperator result = new ExpressionOperator();
result.setSelector(ExpressionOperator.EqualOuterJoin);
Vector v = oracle.toplink.internal.helper.NonSynchronizedVector.newInstance(2);
v.addElement(" (+) = ");
result.printsAs(v);
result.bePostfix();
result.setNodeClass(RelationExpression.class);
return result;
}
/** INTERNAL: Allow the use of XMLType operators on this platform. */
protected void initializePlatformOperators() {
super.initializePlatformOperators();
addOperator(ExpressionOperator.extract());
addOperator(ExpressionOperator.extractValue());
addOperator(ExpressionOperator.existsNode());
addOperator(ExpressionOperator.isFragment());
addOperator(ExpressionOperator.getStringVal());
addOperator(ExpressionOperator.getNumberVal());
addOperator(SpatialExpressionOperators.withinDistance());
addOperator(SpatialExpressionOperators.relate());
addOperator(SpatialExpressionOperators.filter());
addOperator(SpatialExpressionOperators.nearestNeighbor());
}
/** Initialize any platform-specific operators */
protected void initializePlatformOperators() {
super.initializePlatformOperators();
addOperator(ExpressionOperator.simpleTwoArgumentFunction(ExpressionOperator.Concat, "CONCAT"));
addOperator(operatorOuterJoin());
addOperator(ExpressionOperator.ifNull());
}