Package net.sf.jsqlparser.expression

Examples of net.sf.jsqlparser.expression.Expression.accept()

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  @Override
  public void visit(ExpressionList el) {
    for (final Iterator iter = el.getExpressions().iterator(); iter.hasNext();) {
      final Expression expression = (Expression) iter.next();
      expression.accept(this);
    }
  }

  @Override
  public void visit(Function fnctn) {
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  @Override
  public void visit(ExpressionList el) {
    for (final Iterator iter = el.getExpressions().iterator(); iter.hasNext();) {
      final Expression expression = (Expression) iter.next();
      expression.accept(this);
    }
  }

  // my VISITOR methods
  @Override
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  @Override
  public void visit(SelectExpressionItem sei) {
    _exprStack = new Stack<ValueExpression>();
    _agg = null;
    final Expression expr = sei.getExpression();
    expr.accept(this);
    doneSingleItem(expr);
  }

  @Override
  public void visit(StringValue sv) {
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        Date END_DATE = _dtc.fromString("1998-12-31");
        Date orderDateEnd = new DateSum(new ValueSpecification(_dtc, END_DATE), Calendar.DATE, -121).eval(null);
       
        String dateExp = "1998-09-01";
        Expression exp = new DateValue(" " + dateExp + " ");
        exp.accept(_visitor);
        Date jsqlDate = (Date) _visitor.getResult();
        assertEquals(jsqlDate, orderDateEnd);
    }   
}
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  @Override
  public void visit(ExpressionList expressionList) {
    for (final Iterator iter = expressionList.getExpressions().iterator(); iter.hasNext();) {
      final Expression expression = (Expression) iter.next();
      expression.accept(this);
      if (iter.hasNext())
        _sb.append(", ");
    }
  }
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    public void testVisit_DateValue() {
        LOG.info("visit(DateValue):");
        String dateStr = "1995-01-01";
        Date squallDate = new DateConversion().fromString(dateStr);
        Expression exp = new DateValue(" " + dateStr + " ");
        exp.accept(_visitor);
        Date jsqlDate = (Date) _visitor.getResult();
        assertEquals(jsqlDate, squallDate);
    }
   
    @Test
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        Date END_DATE = _dtc.fromString("1998-12-31");
        Date orderDateEnd = new DateSum(new ValueSpecification(_dtc, END_DATE), Calendar.DATE, -151).eval(null);
       
        String dateExp = "1998-08-02";
        Expression exp = new DateValue(" " + dateExp + " ");
        exp.accept(_visitor);
        Date jsqlDate = (Date) _visitor.getResult();
        assertEquals(jsqlDate, orderDateEnd);
    }
   
    @Test
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        Date END_DATE = _dtc.fromString("1998-12-31");
        Date orderDateEnd = new DateSum(new ValueSpecification(_dtc, END_DATE), Calendar.DATE, -30).eval(null);
       
        String dateExp = "1998-12-01";
        Expression exp = new DateValue(" " + dateExp + " ");
        exp.accept(_visitor);
        Date jsqlDate = (Date) _visitor.getResult();
        assertEquals(jsqlDate, orderDateEnd);
    }   
   
    @Test
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        Date END_DATE = _dtc.fromString("1998-12-31");
        Date orderDateEnd = new DateSum(new ValueSpecification(_dtc, END_DATE), Calendar.DATE, -61).eval(null);
       
        String dateExp = "1998-10-31";
        Expression exp = new DateValue(" " + dateExp + " ");
        exp.accept(_visitor);
        Date jsqlDate = (Date) _visitor.getResult();
        assertEquals(jsqlDate, orderDateEnd);
    } 
   
    @Test
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  @Override
  public void visit(ExpressionList el) {
    for (final Iterator iter = el.getExpressions().iterator(); iter.hasNext();) {
      final Expression expression = (Expression) iter.next();
      expression.accept(this);
    }
  }

  @Override
  public void visit(Function function) {
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