ClickHouse/src/Interpreters/replaceAliasColumnsInQuery.h
2021-10-02 10:13:14 +03:00

22 lines
528 B
C++

#pragma once
#include <Core/Names.h>
#include <Interpreters/Context_fwd.h>
#include <Parsers/IAST_fwd.h>
#include <base/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,
const std::unordered_set<IAST *> & excluded_nodes = {});
}