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Properly handle empty actions

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This commit is contained in:
Alexander Gololobov 2022-06-10 18:33:43 +02:00
parent ba89c3954c
commit b3922461b3
1 changed files with 3 additions and 2 deletions
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5
src/Storages/MergeTree/MergeTreeRangeReader.cpp
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@ -1187,7 +1187,8 @@ void MergeTreeRangeReader::executePrewhereActionsAndFilterColumns(ReadResult & r
block.setColumns(columns); block.setColumns(columns);
} }
*/ */
prewhere_info->actions->execute(block); if (prewhere_info->actions)
prewhere_info->actions->execute(block);
prewhere_column_pos = block.getPositionByName(prewhere_info->column_name); prewhere_column_pos = block.getPositionByName(prewhere_info->column_name);
@ -1317,7 +1318,7 @@ std::string PrewhereExprInfo::dump() const
for (size_t i = 0; i < steps.size(); ++i) for (size_t i = 0; i < steps.size(); ++i)
{ {
s << "STEP " << i << ":\n" s << "STEP " << i << ":\n"
<< " ACTIONS: " << steps[i].actions->dumpActions() << "\n" << " ACTIONS: " << (steps[i].actions ? steps[i].actions->dumpActions() : "nullptr") << "\n"
<< " COLUMN: " << steps[i].column_name << "\n" << " COLUMN: " << steps[i].column_name << "\n"
<< " REMOVE_COLUMN: " << steps[i].remove_column << "\n" << " REMOVE_COLUMN: " << steps[i].remove_column << "\n"
<< " NEED_FILTER: " << steps[i].need_filter << "\n"; << " NEED_FILTER: " << steps[i].need_filter << "\n";