public Query(TabularDataSource dataSource)
{
fromClause = new FromClause(dataSource);
selectClause = new SelectClause();
whereClause = new WhereClause();
groupByClause = new GroupByClause();
orderByClause = new OrderByClause();
}
public Join(JoinType joinType, TabularDataSource source, IBoolean expression)
{
this.joinType = joinType;
this.source = source;
this.expression = expression;
}
public Join(TabularDataSource source, IBoolean expression)
{
this.joinType = JoinType.Inner;
this.source = source;
this.expression = expression;
}
public Field(TabularDataSource tabularDataSource, string name)
{
this.tabularDataSource = tabularDataSource;
this.name = name;
}
public static Field All(TabularDataSource tabularDataSource)
{
return(new Field(tabularDataSource, "*"));
}
public Query Join(JoinType joinType, TabularDataSource source, IBoolean expression)
{
return(new Query(this, new FromClause(fromClause, fromClause.List.Add(new Join(joinType, source, expression)))));
}
public static Query From(TabularDataSource tabularDataSource)
{
return(new Query(tabularDataSource));
}
public FromClause(FromClause fromClause, JoinList list)
: base(list)
{
this.dataSource = fromClause.dataSource;
}
public FromClause(TabularDataSource dataSource, JoinList list)
: base(list)
{
this.dataSource = dataSource;
}
public FromClause(TabularDataSource dataSource)
: base(JoinList.Empty)
{
this.dataSource = dataSource;
}
