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Keep blocks with nulls for right and full join

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vdimir 2023-05-03 12:15:28 +00:00
parent 68d46c81b9
commit 62f950ddaf
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1 changed files with 6 additions and 0 deletions
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6
src/Interpreters/HashJoin.cpp
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@ -603,7 +603,12 @@ namespace
for (size_t i = 0; i < rows; ++i)
{
if (has_null_map && (*null_map)[i])
{
/// nulls are not inserted into hash table,
/// keep them for RIGHT and FULL joins
is_inserted = true;
continue;
}
/// Check condition for right table from ON section
if (join_mask && !(*join_mask)[i])
@ -861,6 +866,7 @@ bool HashJoin::addJoinedBlock(const Block & source_block_, bool check_limits)
if (!multiple_disjuncts && !is_inserted)
{
LOG_TRACE(log, "Skipping inserting block with {} rows", rows);
data->blocks_allocated_size -= stored_block->allocatedBytes();
data->blocks.pop_back();
}