public void FilterWhereExclusive(TextualWhereCondition condition)
{
for (int i = 0; i < Result.Rows.Count; i++)
{
if (!condition.Check(this, Result.GetRow(i)))
{
Result.RemoveRow(i);
}
}
}
public void FilterWhereInclusive(TextualWhereCondition condition)
{
foreach (var row in table.Rows)
{
if (!Result.Rows.Contains(row))
{
if (condition.Check(this, row))
{
Result.AddRow(row);
}
}
}
}
private TextualWhereCondition parseCondition(TextualOperation operation)
{
// column1
string column = expectToken(TokenType.Identifier).Value;
// =
string op = expectToken(TokenType.Comparison).Value;
object val;
// 1
if (matchToken(TokenType.Number))
{
val = Convert.ToDouble(expectToken(TokenType.Number).Value);
}
// "val1"
else
{
val = expectToken(TokenType.String).Value;
}
return(new TextualWhereCondition(TextualWhereCondition.ParseWhereOperation(operation, op), column, val));
}
