public SqlSourceListSourceItem(SymbolPosition leftb, SqlSourceList inner, SymbolPosition rightb, SqlIdentifier shortcut)
{
LeftBracket = leftb;
Inner = inner;
RightBracket = rightb;
Shortcut = shortcut;
}
public SqlFromClause(SqlMultiKeyWord prefix, SqlSourceList source)
: base(prefix)
{
Source = source;
Source.Parent = this;
}