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Fix TreeExecutor.

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This commit is contained in:
Nikolai Kochetov 2020-02-14 17:00:39 +03:00
parent 96b5ef8459
commit da6d43ea8a
1 changed files with 5 additions and 0 deletions
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5
dbms/src/Processors/Executors/TreeExecutorBlockInputStream.cpp
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@ -2,12 +2,17 @@
#include <Processors/Sources/SourceWithProgress.h>
#include <Interpreters/ProcessList.h>
#include <stack>
#include <Processors/Sources/SourceFromInputStream.h>
namespace DB
{
static void checkProcessorHasSingleOutput(IProcessor * processor)
{
/// SourceFromInputStream may have totals port. Skip this check.
if (typeid_cast<const SourceFromInputStream *>(processor))
return;
size_t num_outputs = processor->getOutputs().size();
if (num_outputs != 1)
throw Exception("All processors in TreeExecutorBlockInputStream must have single output, "