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Correct cardinality in MergeJoin (same as in input)

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vdimir 2021-05-17 14:18:03 +03:00
parent d266050b23
commit 80466427ad
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4 changed files with 354 additions and 3 deletions
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25
src/Interpreters/MergeJoin.cpp
View File

@ -464,6 +464,12 @@ MergeJoin::MergeJoin(std::shared_ptr<TableJoin> table_join_, const Block & right
ErrorCodes::PARAMETER_OUT_OF_BOUND);
}
for (const auto & right_key : table_join->keyNamesRight())
{
if (right_sample_block.getByName(right_key).type->lowCardinality())
lowcard_right_keys.push_back(right_key);
}
table_join->splitAdditionalColumns(right_sample_block, right_table_keys, right_columns_to_add);
JoinCommon::removeLowCardinalityInplace(right_table_keys);
JoinCommon::removeLowCardinalityInplace(right_sample_block, table_join->keyNamesRight());
@ -607,10 +613,18 @@ bool MergeJoin::addJoinedBlock(const Block & src_block, bool)
void MergeJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)
{
Names lowcard_keys = lowcard_right_keys;
if (block)
{
JoinCommon::checkTypesOfKeys(block, table_join->keyNamesLeft(), right_table_keys, table_join->keyNamesRight());
materializeBlockInplace(block);
for (const auto & column_name : table_join->keyNamesLeft())
{
if (block.getByName(column_name).type->lowCardinality())
lowcard_keys.push_back(column_name);
}
JoinCommon::removeLowCardinalityInplace(block, table_join->keyNamesLeft(), false);
sortBlock(block, left_sort_description);
@ -646,14 +660,20 @@ void MergeJoin::joinBlock(Block & block, ExtraBlockPtr & not_processed)
if (!not_processed && left_blocks_buffer)
not_processed = std::make_shared<NotProcessed>(NotProcessed{{}, 0, 0, 0});
for (const auto & column_name : lowcard_keys)
{
if (!block.has(column_name))
continue;
if (auto & col = block.getByName(column_name); !col.type->lowCardinality())
JoinCommon::changeLowCardinalityInplace(col);
}
JoinCommon::restoreLowCardinalityInplace(block);
}
template <bool in_memory, bool is_all>
void MergeJoin::joinSortedBlock(Block & block, ExtraBlockPtr & not_processed)
{
//std::shared_lock lock(rwlock);
size_t rows_to_reserve = is_left ? block.rows() : 0;
MutableColumns left_columns = makeMutableColumns(block, (is_all ? rows_to_reserve : 0));
MutableColumns right_columns = makeMutableColumns(right_columns_to_add, rows_to_reserve);
@ -702,7 +722,6 @@ void MergeJoin::joinSortedBlock(Block & block, ExtraBlockPtr & not_processed)
left_cursor.nextN(left_key_tail);
joinInequalsLeft<is_all>(block, left_columns, right_columns_to_add, right_columns, left_cursor.position(), left_cursor.end());
//left_cursor.nextN(left_cursor.end() - left_cursor.position());
changeLeftColumns(block, std::move(left_columns));
addRightColumns(block, std::move(right_columns));

2
src/Interpreters/MergeJoin.h
View File

@ -103,6 +103,8 @@ private:
const size_t max_rows_in_right_block;
const size_t max_files_to_merge;
Names lowcard_right_keys;
void changeLeftColumns(Block & block, MutableColumns && columns) const;
void addRightColumns(Block & block, MutableColumns && columns);

201
tests/queries/0_stateless/01049_join_low_card_bug.reference
View File

@ -199,3 +199,204 @@ LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str Nullable(String) Nullable(String) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable(String) Nullable(String) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r Nullable(String) Nullable(String) \N \N
str LowCardinality(String)
LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str LowCardinality(String)
LowCardinality(String)
str_l LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str_l LowCardinality(String)
LowCardinality(String) LowCardinality(String) str str LowCardinality(String) LowCardinality(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(String) LowCardinality(String)
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(String) LowCardinality(String)
LowCardinality(String) LowCardinality(String) str str LowCardinality(String) LowCardinality(String) str str
LowCardinality(String) LowCardinality(String) str str LowCardinality(String) LowCardinality(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(String) LowCardinality(String)
LowCardinality(String) LowCardinality(String) LowCardinality(String) LowCardinality(String) str_l str_l
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(String) LowCardinality(String)
LowCardinality(String) LowCardinality(String) str str LowCardinality(String) LowCardinality(String) str str
LowCardinality(String) LowCardinality(String) LowCardinality(String) LowCardinality(String) str_l str_l
str LowCardinality(String)
LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str LowCardinality(String)
LowCardinality(String)
str_l LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str_l LowCardinality(String)
String String str str LowCardinality(String) LowCardinality(String) str str
String String str_r str_r LowCardinality(String) LowCardinality(String)
String String str_r str_r LowCardinality(String) LowCardinality(String)
String String str str LowCardinality(String) LowCardinality(String) str str
String String str str LowCardinality(String) LowCardinality(String) str str
String String str_r str_r LowCardinality(String) LowCardinality(String)
String String LowCardinality(String) LowCardinality(String) str_l str_l
String String str_r str_r LowCardinality(String) LowCardinality(String)
String String str str LowCardinality(String) LowCardinality(String) str str
String String LowCardinality(String) LowCardinality(String) str_l str_l
str String
String
str_r String
str String
str String
String
str_l String
str_r String
str String
str_l String
LowCardinality(String) LowCardinality(String) str str String String str str
LowCardinality(String) LowCardinality(String) str_r str_r String String
LowCardinality(String) LowCardinality(String) str_r str_r String String
LowCardinality(String) LowCardinality(String) str str String String str str
LowCardinality(String) LowCardinality(String) str str String String str str
LowCardinality(String) LowCardinality(String) str_r str_r String String
LowCardinality(String) LowCardinality(String) String String str_l str_l
LowCardinality(String) LowCardinality(String) str_r str_r String String
LowCardinality(String) LowCardinality(String) str str String String str str
LowCardinality(String) LowCardinality(String) String String str_l str_l
str LowCardinality(String)
LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str LowCardinality(String)
LowCardinality(String)
str_l LowCardinality(String)
str_r LowCardinality(String)
str LowCardinality(String)
str_l LowCardinality(String)
Nullable(String) Nullable(String) str str LowCardinality(String) LowCardinality(String) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(String) LowCardinality(String)
Nullable(String) Nullable(String) str_r str_r LowCardinality(String) LowCardinality(String)
Nullable(String) Nullable(String) str str LowCardinality(String) LowCardinality(String) str str
Nullable(String) Nullable(String) str str LowCardinality(String) LowCardinality(String) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(String) LowCardinality(String)
Nullable(String) Nullable(String) \N \N LowCardinality(String) LowCardinality(String) str_l str_l
Nullable(String) Nullable(String) str_r str_r LowCardinality(String) LowCardinality(String)
Nullable(String) Nullable(String) str str LowCardinality(String) LowCardinality(String) str str
Nullable(String) Nullable(String) \N \N LowCardinality(String) LowCardinality(String) str_l str_l
str Nullable(String)
\N Nullable(String)
str Nullable(String)
str_r Nullable(String)
str Nullable(String)
\N Nullable(String)
str_l Nullable(String)
str Nullable(String)
str_l Nullable(String)
str_r Nullable(String)
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(String) LowCardinality(String) Nullable(String) Nullable(String) str_l str_l
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) Nullable(String) Nullable(String) str_l str_l
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
-- join_use_nulls --
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
LowCardinality(String) LowCardinality(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
LowCardinality(String) LowCardinality(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
LowCardinality(String) LowCardinality(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
String String str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
String String str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
String String str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
String String str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
Nullable(String) Nullable(String) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
str Nullable(String)
\N Nullable(String)
str Nullable(String)
str_r Nullable(String)
str Nullable(String)
\N Nullable(String)
str_l Nullable(String)
str Nullable(String)
str_l Nullable(String)
str_r Nullable(String)
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str Nullable(String) Nullable(String) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable(String) Nullable(String) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str Nullable(String) Nullable(String) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable(String) Nullable(String) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r Nullable(String) Nullable(String) \N \N
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
\N LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str LowCardinality(Nullable(String))
str_l LowCardinality(Nullable(String))
str_r LowCardinality(Nullable(String))
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
Nullable(String) Nullable(String) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
Nullable(String) Nullable(String) str str LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str
Nullable(String) Nullable(String) \N \N LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_l str_l
Nullable(String) Nullable(String) str_r str_r LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N
str Nullable(String)
\N Nullable(String)
str Nullable(String)
str_r Nullable(String)
str Nullable(String)
\N Nullable(String)
str_l Nullable(String)
str Nullable(String)
str_l Nullable(String)
str_r Nullable(String)
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(String) LowCardinality(String) str str Nullable(String) Nullable(String) str str
LowCardinality(String) LowCardinality(String) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str Nullable(String) Nullable(String) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r Nullable(String) Nullable(String) \N \N
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable(String) Nullable(String) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str str Nullable(String) Nullable(String) str str
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) \N \N Nullable(String) Nullable(String) str_l str_l
LowCardinality(Nullable(String)) LowCardinality(Nullable(String)) str_r str_r Nullable(String) Nullable(String) \N \N

129
tests/queries/0_stateless/01049_join_low_card_bug.sql
View File

@ -20,6 +20,135 @@ INSERT INTO l VALUES (0, 'str'), (2, 'str_l');
INSERT INTO nl VALUES (0, 'str'), (2, 'str_l');
INSERT INTO l_lc VALUES (0, 'str'), (2, 'str_l');
SET join_use_nulls = 0;
--
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l RIGHT JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l FULL JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l FULL JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l_lc RIGHT JOIN nr USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc RIGHT JOIN nr USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc FULL JOIN nr USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc FULL JOIN nr USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN nr AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN nr AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN nr AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN nr AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM nl RIGHT JOIN r_lc USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl RIGHT JOIN r_lc USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl FULL JOIN r_lc USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl FULL JOIN r_lc USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT '-- join_use_nulls --';
SET join_use_nulls = 1;
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc AS l FULL JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l RIGHT JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l RIGHT JOIN r USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l FULL JOIN r USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l FULL JOIN r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM l_lc RIGHT JOIN nr USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc RIGHT JOIN nr USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc FULL JOIN nr USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM l_lc FULL JOIN nr USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN nr AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l RIGHT JOIN nr AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN nr AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM l_lc AS l FULL JOIN nr AS r USING (lc) ORDER BY x;
--
SELECT lc, toTypeName(lc) FROM nl RIGHT JOIN r_lc USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl RIGHT JOIN r_lc USING (lc) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl FULL JOIN r_lc USING (x) ORDER BY x;
SELECT lc, toTypeName(lc) FROM nl FULL JOIN r_lc USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l RIGHT JOIN r_lc AS r USING (lc) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l FULL JOIN r_lc AS r USING (x) ORDER BY x;
SELECT toTypeName(r.lc), toTypeName(materialize(r.lc)), r.lc, materialize(r.lc), toTypeName(l.lc), toTypeName(materialize(l.lc)), l.lc, materialize(l.lc) FROM nl AS l FULL JOIN r_lc AS r USING (lc) ORDER BY x;
set join_algorithm = 'partial_merge';
SET join_use_nulls = 0;
--
SELECT lc, toTypeName(lc) FROM l_lc AS l RIGHT JOIN r_lc AS r USING (x) ORDER BY x;