public static QValueType GetStatementResultType(IExpressionNode left, IExpressionNode right)
{
if (left.GetQValueType() == QValueType.Text || right.GetQValueType() == QValueType.Text)
{
return(QValueType.Text);
}
if (left.GetQValueType() == QValueType.Boolean || right.GetQValueType() == QValueType.Boolean)
{
return(QValueType.Boolean);
}
if (left.GetQValueType() == QValueType.Money || right.GetQValueType() == QValueType.Money)
{
return(QValueType.Money);
}
if (left.GetQValueType() == QValueType.Double || right.GetQValueType() == QValueType.Double)
{
return(QValueType.Double);
}
return(QValueType.Integer);
}
/// <summary>
/// Translate QValueType to StatementType.
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
private StatementType GetStatementType(IExpressionNode node)
{
switch (node.GetQValueType())
{
case QValueType.BOOLEAN:
return(StatementType.BOOLEAN);
case QValueType.TEXT:
return(StatementType.TEXT);
case QValueType.MONEY:
case QValueType.INTEGER:
case QValueType.DOUBLE:
return(StatementType.NUMERIC);
case QValueType.UNKNOWN:
return(StatementType.UNKNOWN);
}
throw new UnknownQValueTypeException("We don't know what to do with this QValueType.");
}
/// <summary>
/// Translate QValueType to StatementType.
/// </summary>
/// <param name="node"></param>
/// <returns></returns>
public static StatementType GetStatementType(IExpressionNode node)
{
switch (node.GetQValueType())
{
case QValueType.Boolean:
return(StatementType.Boolean);
case QValueType.Text:
return(StatementType.Text);
case QValueType.Money:
case QValueType.Integer:
case QValueType.Double:
case QValueType.Hex:
return(StatementType.Numeric);
case QValueType.Unknown:
return(StatementType.Unknown);
}
throw new UnknownQValueTypeException("We don't know what to do with this QValueType.");
}