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Enable block skip for null format in processors pipeline.

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This commit is contained in:
Nikolai Kochetov 2020-01-23 15:53:32 +03:00
parent f431b10e38
commit f85e7ca36d
1 changed files with 3 additions and 2 deletions
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5
dbms/src/Interpreters/executeQuery.cpp
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@ -575,14 +575,15 @@ BlockIO executeQuery(
BlockIO streams;
std::tie(ast, streams) = executeQueryImpl(query.data(), query.data() + query.size(), context,
internal, stage, !may_have_embedded_data, nullptr, allow_processors);
if (streams.in)
if (const auto * ast_query_with_output = dynamic_cast<const ASTQueryWithOutput *>(ast.get()))
{
const auto * ast_query_with_output = dynamic_cast<const ASTQueryWithOutput *>(ast.get());
String format_name = ast_query_with_output && (ast_query_with_output->format != nullptr)
? getIdentifierName(ast_query_with_output->format) : context.getDefaultFormat();
if (format_name == "Null")
streams.null_format = true;
}
return streams;
}