Ejemplos de ASTs::size en C++ (Cpp)

Ejemplo n.º 1

Archivo: VirtualColumnUtils.cpp Proyecto: kellylg/ClickHouse

/// Construct a conjunction from given functions
static ASTPtr buildWhereExpression(const ASTs & functions)
{
    if (functions.size() == 0)
        return nullptr;
    if (functions.size() == 1)
        return functions[0];
    ASTPtr new_query = std::make_shared<ASTFunction>();
    ASTFunction & new_function = typeid_cast<ASTFunction & >(*new_query);
    new_function.name = "and";
    new_function.arguments = std::make_shared<ASTExpressionList>();
    new_function.arguments->children = functions;
    new_function.children.push_back(new_function.arguments);
    return new_query;
}