ClickHouse/src/Interpreters/replaceAliasColumnsInQuery.h
2021-07-18 23:27:19 +08:00

18 lines
438 B
C++

#pragma once
#include <Core/Names.h>
#include <Interpreters/Context_fwd.h>
#include <Parsers/IAST_fwd.h>
#include <common/types.h>
namespace DB
{
class ColumnsDescription;
/// Replace storage alias columns in select query if possible. Return true if the query is changed.
bool replaceAliasColumnsInQuery(
ASTPtr & ast, const ColumnsDescription & columns, const NameToNameMap & array_join_result_to_source, ContextPtr context);
}