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Fix join key with alpha ASCII #390

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merged 1 commit into from
Mar 30, 2023
Merged

Fix join key with alpha ASCII #390

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16 changes: 13 additions & 3 deletions utils/local-engine/Parser/SerializedPlanParser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2188,9 +2188,19 @@ DB::QueryPlanPtr SerializedPlanParser::parseJoin(substrait::JoinRel join, DB::Qu
}
if (!right_table_alias.empty())
{
ActionsDAGPtr project = std::make_shared<ActionsDAG>(right->getCurrentDataStream().header.getNamesAndTypesList());
project->addAliases(right_table_alias);
QueryPlanStepPtr project_step = std::make_unique<ExpressionStep>(right->getCurrentDataStream(), project);
ActionsDAGPtr rename_dag = std::make_shared<ActionsDAG>(right->getCurrentDataStream().header.getNamesAndTypesList());
auto original_right_columns = right->getCurrentDataStream().header;
for (const auto & column_alias : right_table_alias)
{
if (original_right_columns.has(column_alias.first))
{
auto pos = original_right_columns.getPositionByName(column_alias.first);
const auto & alias = rename_dag->addAlias(*rename_dag->getInputs()[pos], column_alias.second);
rename_dag->getOutputs()[pos] = &alias;
}
}
rename_dag->projectInput();
QueryPlanStepPtr project_step = std::make_unique<ExpressionStep>(right->getCurrentDataStream(), rename_dag);
project_step->setStepDescription("Right Table Rename");
right->addStep(std::move(project_step));
}
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