void Join::joinBlock(Block & block) const
{
// std::cerr << "joinBlock: " << block.dumpStructure() << "\n";
std::shared_lock lock(rwlock);
checkTypesOfKeys(block, sample_block_with_keys);
if (kind == ASTTableJoin::Kind::Left && strictness == ASTTableJoin::Strictness::Any)
joinBlockImpl<ASTTableJoin::Kind::Left, ASTTableJoin::Strictness::Any>(block, maps_any);
else if (kind == ASTTableJoin::Kind::Inner && strictness == ASTTableJoin::Strictness::Any)
joinBlockImpl<ASTTableJoin::Kind::Inner, ASTTableJoin::Strictness::Any>(block, maps_any);
else if (kind == ASTTableJoin::Kind::Left && strictness == ASTTableJoin::Strictness::All)
joinBlockImpl<ASTTableJoin::Kind::Left, ASTTableJoin::Strictness::All>(block, maps_all);
else if (kind == ASTTableJoin::Kind::Inner && strictness == ASTTableJoin::Strictness::All)
joinBlockImpl<ASTTableJoin::Kind::Inner, ASTTableJoin::Strictness::All>(block, maps_all);
else if (kind == ASTTableJoin::Kind::Full && strictness == ASTTableJoin::Strictness::Any)
joinBlockImpl<ASTTableJoin::Kind::Left, ASTTableJoin::Strictness::Any>(block, maps_any_full);
else if (kind == ASTTableJoin::Kind::Right && strictness == ASTTableJoin::Strictness::Any)
joinBlockImpl<ASTTableJoin::Kind::Inner, ASTTableJoin::Strictness::Any>(block, maps_any_full);
else if (kind == ASTTableJoin::Kind::Full && strictness == ASTTableJoin::Strictness::All)
joinBlockImpl<ASTTableJoin::Kind::Left, ASTTableJoin::Strictness::All>(block, maps_all_full);
else if (kind == ASTTableJoin::Kind::Right && strictness == ASTTableJoin::Strictness::All)
joinBlockImpl<ASTTableJoin::Kind::Inner, ASTTableJoin::Strictness::All>(block, maps_all_full);
else if (kind == ASTTableJoin::Kind::Cross)
joinBlockImplCross(block);
else
throw Exception("Logical error: unknown combination of JOIN", ErrorCodes::LOGICAL_ERROR);
}
void Join::joinBlock(Block & block, const Names & key_names_left, const NameSet & needed_key_names_right) const
{
// std::cerr << "joinBlock: " << block.dumpStructure() << "\n";
std::shared_lock lock(rwlock);
checkTypesOfKeys(block, key_names_left, sample_block_with_keys);
if (dispatch([&](auto kind_, auto strictness_, auto & map)
{
joinBlockImpl<kind_, strictness_>(block, key_names_left, needed_key_names_right, sample_block_with_columns_to_add, map);
}))
{
/// Joined
}
else if (kind == ASTTableJoin::Kind::Cross)
joinBlockImplCross(block);
else
throw Exception("Logical error: unknown combination of JOIN", ErrorCodes::LOGICAL_ERROR);
}
